Document KGDgvY7VZ8Rnqwpndk9zoVgZw
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SP-80STANDAR D PRACTICE
1979 Edition
BRONZE GATE, GLOBE, ANGLE AND CHECK VALVES
Developed and Approved by the
Manufacturers Standardization Society of the
Valve and Fittings Industry, Inc. 5203 Leesburg Pike, Suite 502 Falls Church, Virginia 22041 (703) 998-7996
Originally Approved November, 1974 i
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An MSS Standard Practice Is intended as a basis for common practice by the manufacturer, the user, and the general public. The existence of an MSS Standard Practice does not in itself preclude the manufacture, sale, or use of products not conforming to the Standard Practice. Mandatory con formance is established only by reference in a code, specification, sales contract, or public law, as applicable.
Where some slight shift of the absolute value of the minimum and maximum dimensions permitted by the inch dimensions and those provided by the converted metric dimensions do not unacceptably affect the functional or safety characteristics of the fitting, the metric conversions have been rounded to whole millimetre values in order to facilitate ease of measurement by ordinary measuring tapes or rulers with non-magnified vision. Furthermore, the rounding has not always been made to the nearest whole millimetre. In some cases it has been made to the whole millimetre which would facilitate tables manifesting logical increments in both the dimensions and their tolerances. It is recognized that the introduction of such variances will create a conflict in the acceptance dimensions or gaging between the inch and metric data. Experience indicates a probability that no serious difficulties will result from this conflict. Hence, it is the intent of this standard that any dimension which is within tolerance by either metric or inch measurement is considered to be in conformance with this standard.
Substantive changes in this 1979 edition are "flagged** by parallel bars as shown on the margins of this paragraph. The specific detail of the change may be determined by comparing the material flagged with that in the previous, edition.
No pari of this document may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the Society.
Copyright , 1983 by . Manufacturers Standardization Society
of the
Valve and Fittings industry, Inc.
Printed in U.S.A.
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CONTENTS
,,
Page
0. INTRODUCTION .......................................................................................... ........................................ ... . . 1
1. SCOPE AND VALVE TYPES ....................................................................................................................... 1
2. PRESSURE-TEMPERATURE RATINGS ...................................................................................................... 2
3. MATERIALS.................................................... .. ............................................................................................. 4
4. DESIGN................................................................................................................................................. ..
4
. 5. MARKING ....................................................................................................................................................... 13
6. TOLERANCE ........................................................................................................... ..................................... 13
7. INSPECTION AND TESTING..........................................................................................................................13
' TABLE
1 - PRESSURE-TEMPERATURE RATINGS - IMPERIAL UNITS...................................... 3
2 - LIST OF MATERIAL SPECIFICATIONS ......................................................................... 5
3 - MINIMUM LENGTH AND DEPTH OF THREAD .......................................................... 8
4 - BRONZE GATE VALVE - DIAMETER OF STEM ....................................................... U
. . 5 - BRONZE GLOBE AND ANGLE VALVES - DIAMETER OF STEM.............................II
$ 6 - BRONZE GATE VALVES - DIAMETER OF HANDWHEEL ........................................ 12
7 - BRONZE GLOBE AND ANGLE VALVES - DIAMETER OF HANDWHEELS .... 12
8-SHELL TEST............................................................................................................................ 13
9 - SEAT.TEST............................................................................................................................... 14
C I - PRESSURE-TEMPERATURE RATINGS - METRIC UNITS........................................... 24
FIGURE
B1 - GATE VALVE - TYPE 1 ..................................................................................................... 16
B2 - GATE VALVE - TYPE 2 ..................................................................................................... 16
B3 - GATE VALVE - TYPE 3 ..................................................................................................... 17
B4 - GATE VALVE - TYPE 4 ..................................................................................................... 17
BS - GLOBE AND ANGLE VALVES - TYPE 1..............
18
B6 - GLOBE AND ANGLE VALVES - TYPE 2........................................................................ 18
B7 - GLOBE AND ANGLE VALVES - TYPE 3........................................................................19
B8A - CHECK VALVE - TYPE 1 - HORIZONTAL LIFTCHECK........................................20
B8B - CHECK VALVE - TYPE 1 - ANGLE LIFT CHECK.............................
20
B9A - CHECK VALVE - TYPE 2 - HORIZONTAL AND ANGLE LIFT CHECK........... 21
B9B - CHECK VALVE - TYPE 2 - VERTICAL LIFT CHECK............................................. 21
BIO - CHECK VALVE - TYPE 3.................................................................................................. 22
B11 - CHECK VALVE - TYPE 4 . ....................................................... .. ...................................22
ANNEX A ANSI B16.18 CAST BRONZE-JOINT PRESSURE FITTINGS .................................................. IS
ANNEX B VALVE TYPES................................................................................................................................... 16 ANNEX C METRIC EQUIVALENTS........................................................... ....................................................23
ANNEX D UNS DESIGNATION........................................................................................................................ 25 ANNEX E. REFERENCE STANDARDS........................................................................................................... 26
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0. INTRODUCTION f
.
This MSS Standard Practice covers bronze
gate, globe, angle, and check valves in Classes 125, 150, 200, 300 and 350 for threaded and solder ends and Classes 150 and 300 for flanged ends. Metric conversions for tabulated
dimensions are contained in Tables 3 through
9 and metric conversions for tabulated pressure-temperature ratings. Table 1, are contained in Annex C,
1. SCOPE AND VALVE TYPES
1.1 Scope -- This standard practice covers bronze gate, globe, angle, and check valves for general purpose services and provides require ments for the following:
a) Pressure-Temperature Ratings
` b) Materials
c) End Connections
d) Dimensions
e) Markings
0 Testing and Inspection
1.2 Valve Types and Sizes
1.2.1 Gate Valves .
a) Type I - Solid Wedge: Non-Rising Stem (NRS) Fig. Bl, Annex B
b) Type 2 - Solid Wedge: Inside Screw Rising Stem (ISRS) Fig. B2, Annex B
c) Type 3 - Split Wedge (Double Disc) Inside Screw Rising Stem (ISRS) Fig. B3, Annex B
d) Type 4 - Double Disc - Parallel Seat Inside Screw Rising Stem (ISRS) Fig. B4, Annex B
1,2.2 Globe and Angle Valves
a) Type 1 - Metal Disc, Integral Seat Fig. B5, Annex B
b) Type 2 - Non-Metallic Disc, Integral Seat Fig. B6, Annex B
c) Type 3 -- Metallic Disc, Renewable Seat Fig. B7, Annex B
1.2.3 Check Valves
a) Type 1 - Horizontal, Angle and Ver tical Lift Check, Metal Disc to Metal Seat Fig. B8, Annex B
b) Type 2 -- Horizontal, Angle arid Ver tical Lift Check, Non-Metallic Disc to Metal Seat Fig. B9, Annex B
c) Type 3 - Swing Check, Metal Disc to Metal Seat Fig. BIO, Annex B
d) Type 4 - Swing Check, Non-Metallic Disc to Metal Seat Fig, Bl 1, Annex B.
1.3 Nominal Pipe Sizes - This Standard covers valve sizes 3 and under as follows:
a) Threaded Ends -- Sizes 1/8 through 3
b) Solder Ends - Sizes 1 /4 through 3
c) Flanged Ends - Sizes 1/2 through 3
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2. PRESSURE-TEMPERATURE RATINGS
2.1 The pressure-temperature ratings in Table 1 apply to alt products covered by this Standard Practice. Valves conforming to the requirements of' this Standard Practice must, in all respects, merit these ratings.
2.2 These ratings are the maximum allow able non-shock pressures at the temperatures shown, and allowable pressures may be inter polated between temperatures shown.
2.3 Rating Temperature; The temperature shown corresponding to the pressure rating shall be the material temperature of the pressure retaining structure. In view of the various environments in which piping com ponents may be installed (i,e. -- insulated or not, and either heated or cooled), it is as sumed that the material temperature of the pressure retaining structure is the temperature of the contained fluid. Use of a pressure rating at a material temperature other than the temperature of the contained fluid is the responsibility of the user, and subject to the requirements of applicable codes,
2.4 The safe pressure-temperature rating of a solder-joint pipe system is dependent, not only on valve, fitting and tubing strength but also on the composition of the solder used
for joints. Pressure-temperature ratings for solder joints made with typical commercial solders are given in Annex A. It shall be the responsibility of the user to select a solder composition that is compatible with the service conditions; (as well as to assure ade quacy of workmanship employed in making the joints).
2.5 The ratings given in Table 1 at -20F to I50F ("30s to 65C) shall also apply at lower temperatures. Products that are to operate at low temperatures shall conform to the rules of the applicable codes under which they are to be used.
2.6 The safe pressure-temperature rating of valves fitted with non-metallic disc, (i.e., globe and angle valves, Type 2 and check valves, Types 2 and 4), is dependent upon the composition of the disc material. It shall be the responsibility of the user to specify the service application. When no setvice appli cation is specified, discs suitable for steam service at rated working conditions shall be furnished in all bronze globe and angle valves, Type 2 and in all bronze check valves, Types 2 and 4. Users are advised to consult with the manufacturer in cases of doubt.
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TABLE 1 - PRESSURE-TEMPERATURE RATINGS - IMPERIAL UNITS ' (for Metric Unit ratings see Annex C)
PRESS. CLASS END CONN.
TEMP.1 deg. F
-20 To 150
200 250
300 350
400 406
450 500
550
125 THD
150 THD FLG2
ASTM B-62
PRESSURE - psi3
.
200 300
THD
THD5 THD FLG2
MATERIAL
ASTMB-61
200 185 170 155 140
125 1204 -- ---
300 225
270 210
240 195
210 180
180 165
--
150 150
I454 --
--
--
--
_...
400 1000 600 500 375 920 560 475 350 830 525 450 325 740 490 425 300 650 450 400 275 560 410 375
250 . 480 375 350 225 390 340 325 200 300 300 300
350 THD
1000 920 830 750 670 590
510 430 350
Notes: 1 - For lower temperatures, See Paragraph 2.5
I 2 - P-T Ratings - ANSI B 16.24 I 3 - Refer to Paragraph 2.4 for safe P-T rating for solder-joint pipe systems.
4 - Some codes (i.e.-ASME BPVC, Section I) limit the rating temperatures of the indicated material to 406F.
. 5 - Alternate ratings for valve size 1/8 - 2 having threaded ends and union ring bodybonnet joints.
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3. MATERIALS
3.1 General -- All valve components manu factured to this standard shall be made from materials produced under recognized quality control procedures. Recommended materials are listed in Table 2.
3.2 Castings - All castings shall be clean and sound, without defects which will impair their service. No plugging, welding, repairing or impregnating of any defects is allowed. .
3.3 Users are cautioned against application with fluids which may react chemically with any material used in these valves. Consul tation with the manufacturer is advised to determine suitability in cases of doubt.
3.4 In certain areas of the country, where water conditions are particularly "aggressive", piping components made from certain zinc bearing copper-base alloys are susceptible to a form of corrosion known as dezincification. Consultation with local water works division or manufacturers is advised to determine suitability in cases of doubt.4
4. DESIGN
4.1 General - Valves shall be of substantial construction to resist permanent distortion under normal service conditions and shall be free of imperfections and defects which may be injurious to the performance of the valve.
4,2 Flow Passage Area
4.2.1 The flow passageway of bronze gate I valves, shall have a minimum area of not less I than the area of a circle having a diameter equal to the nominal pipe size except that valves fitted with seat rings may reduce the passageway area by the area of the seat ring driving lugs. The valve shall be so designed that the stem and/or wedge clear the water' way when the valve is fully open.
4.2.2 The flow passageway of bronze globe and angle valves, Types 1 and 2, designed with integral seats and when fully open, shall have an area at all points equal to the area of a circle having a diameter equal to the nom inal pipe size except the area through the seat may be reduced by the area of the disc guides.
4 2.3 The flow passageway area of bronze globe and angle valves, Type 3, of the full flow design, may be reduced by the area of the seat ring driving lugs.
4.2.4 The flow passageway of bronze globe and angle valves, Type 3, of the plug design, for throttling service, may have a reduced area through the seat.
4.2.5 The flow passageway of bronze check valves. Types 3 and 4, shall have a minimum area of not less than the area of a circle having a diameter equal to the nominal pipe size except that valves fitted with seat rings may reduce the passageway area by the area of the seat ring driving lugs.
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TABLE 2 - LIST OF MATERIAL SPECIFICATIONS
FOR UNIFIED NUMBERING SYSTEM (UNS) DESIGNATIONS REFER TO ANNEX D
PART NAME Body Bonnet Cap
DiscMetal
Disc Holder
Disc Non-
Metallic
VALVE STYLE
Gate Globe & Angle Check Gate .
Globe & Angle
Check
VALVE TYPE
PRESSURE CLASS
125 & 150
200, 300 & 350
14 ASTM B62-CA836-Note 2
1-3 14
14 ASTM B62-CA836-Note 2 ASTM B124-CA377
1-3 ASTM B124-CA675 ASTM Bl6-CA360-Note 3 ASTM B584-CA864
ASTM B62-CA836-Note 2 ASTM B124-CA377 14 ASTM Bl6-CA36G-Note 3 ASTMB124-CA675 ASTM B584-CA864 ASTM B371-CA697-Note 3
ASTM B61-CA922-Note 2 ASTM B62-CA836-Note 1
ASTM B6l-CA922-Note 2 ASTM B62-CA836.Note 1 ASTM B124-CA675 ASTM B16-CA360-Note 3 ASTM B584-CA864
ASTM B6l-CA922-Note 2 ASTM B62-CA836-Note 1 ASTM B124-CA675 ASTM B584-CAS64 ASTM Bl6-CA360-Note 3 ASTM B371-CA697-Note 3
Gate
Globe & Angle
Check
14 1&3 . 1&3
ASTM B62-CA836 Copper-Nickel Alloy Nickel-Copper Alloy ASTM B584-CA864
ASTM B62-CA836 ASTM B124-CA675 ASTM B124-CA377 ASTM B5S4-CA864 Copper-Nickel Alloy Nickel-Copper Alloy Stn. Stl. Alloy (400-500 BHN) Note 4
ASTM B62-CA836 ASTM B16-CA360-Note 3 ASTM Bl40-CA320-Note 3 Copper-Nickel Alloy Nickel-Copper Alloy Stn, Stl. Alloy (400-500 BHN) Note 4
Globe A Angle
Check
Globe A Angle Check
2 ASTM B62-CA836 ASTM B124-CA377 & CA675 ASTM Bi6-CA360 Note 3 ASTM BSS4-CA864
2&4 ASTM Bl40-CA320>Note 3 Note 4
Suitable for service specified 2 in Paragraph 2.6 2&4 Pressure-Temperature Ratings
ASTM B61-CA922 Copper-Nickel Alloy Nickel-Copper Alloy
.
ASTMB61-CA922 ASTM B150-CA642 ASTM B584-CA864 ASTM B99-CA651 Copper-Nickel Alloy Nickel-Copper Alloy Stn. Stl. Alloy (400-500 BHN) Note 4
ASTM B61-CA922 ASTM Bl6-CA360-Note 3 ASTM A494GR.M35 ASTM B140-CA320-Note 3 ASTM B371 -CA697-Note 3 Copper-Nickel Alloy Nickel-Copper Alloy Stn. Stl. Alloy (400-500 BHN) Note 4
ASTM B61-CA922 ASTM B62-CA836-Note 3 ASTM B124-CA377-Class 200 only ASTM B124-CA675-Class 200 only . ASTM Bl6-CA360-Note 3 Note 4
Suitable for service specified in Paragraph 2.6 'rcssure-Temperature Ratings
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TABLE 2 - LIST OF MATERIAL SPECIFICATIONS (CONTINUED)
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PART NAME
Seats
'
Disc Nut Disc
Locknut
Stem
Hanger (Hinge)
Hanger Pin (Hinge Pin)
Side Plug Stop Plug
Union Bonnet Ring; Stuffing
Box Packing
Gland; Packing Nut
Handwheels
VALVE STYLE
Gate Globe & Angle Check Globe & Angle Check
Gate
Globe &. Angle
Check
Check
Gate Globe & Angle
VALVE . TYPE
PRESSURE CLASS
125 & 150
200,300 & 350
14 3 14 '2 2&4 14
1-3
3&4
3&4
Copper-Nickel Alloy Nickel-Copper Alloy Stn.Stl.AUoy (250-500 BHN) Note 4 .
Copper-Nickel AUoy Nickel-Copper AUoy Stn. Stl. AUoy (250-500 BHN) Note 4
Copper-Nickel Alloy . Nickel-Copper Alloy Stn. Stl. AUoy (400-500 BHN) Note 4
Copper-Nickel AUoy
Nickel-Copper AUoy Stn. Stl. AUoy (400-500 BHN) Note 4
ASTM B62-CA836 ASTMB16-CA360 ASTMB150-CA642 ASTM B371-CA697 Note 4
ASTM B61-CA922 ASTM B62-CA836-Noce 1
ASTM B16-CA360 ASTM B150-CA642 ASTM B371-CA697 Note 4
ASTM B61-CA922
ASTM B62-CA836
ASTM B99-CA651
ASTM BI48-CA956
ASTM B371-CA694,697
ASTM B584-CAS64,874,875.876 ASTM B21-CA464
ASTM B21-CA482 '
QC-C390'Alloy C2-CA865
QC-C-390 Alloy D4-CA922
QC-C465 AUoy 614-CA614
QC-C591 AUoy 651-CA651
Note 4
ASTM B6I-CA922 ASTM B62-CA836
ASTM B99-CA651 ASTM B148-CA956 ASTM B371-CA694.697 ASTM B584-CA865,874,875,876 ASTM B21-CA464 ASTM B21-CA482 QC-C390 Alloy C2-CA865 QC-C-591 Alloy 651-CA6S1 Note 4
ASTM B62-CA836 ASTM B584-CA876 Note 4
ASTM B61-CA922 ASTM B584-CA876 Note 4
ASTMB1S0-CA642 ASTM B16-CA360 ASTM B371-CA697 Copper Alloy, Nickel-Copper Alloy, or Stainless Steel AUoy
'
ASTM B150-CA642 ASTM B16-CA360 ASTM B371-CA697 Copper Alloy, Nickel-Copper AUoy. or Stainless Steel AUoy
ASTM B62-CAS36 ASTM B124-CA377
ASTMB16-CA360 ASTM B584-CA864 ASTM B584-CA844 ASTM B282 Type Il-Notc 6 Other Copper Alloy materials having physical and corrosive properties equivalent to those of the listed materials
. ASTM B61-CA922 ASTM B124-CA377 ASTM B16-CA360-Note 3 ASTM BS84-CA864 ASTM B584-CA844-Note 5 ASTM B282 Type II-Note 6
Other Copper Alloy materials having physical and corrosive properties equivalent to those of the listed materials.
Ferrous; non-ferrous alloys or of a non-mefallic material of sufficient strength and durability.
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TABLE 2 - LIST OF MATERIAL SPECIFICATIONS (CONTINUED)
NOTES:
1-
Composition Bronze, ASTM B62-CA836, can be used in lieu of Steam or Valve Bronze, ASTM B6I-CA922, for Class 200 valves with non-metallic discs when temperature limitation of the disc is a maximum of 450 degrees F (232 deg. C).
2 - Steam or Valve Bronze, ASTM B6I-CA922, for Class 200, 300 and 350 valves may be substituted for Class 125 and 150 valves at the manufacturer's option.
3 - Bonnet, cap, disc and discholder, sizes 3/4 and smaller only. Union rings, sizes 3/8 and smaller only.
4 - Other materials having physical and corrosive properties equivalent to those of the listed material.
5 - For use Class 200 valves with non-metallic discs when temperature limitation of the disc is a maximum of 450 degrees F (232 deg. C).
6 - Glands (non-bolted, lion-threaded) only.
c | Extensive detail changes throughout Table 2. I
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4.3 Body and Bonnet
4.3.1 The body-bonnet joint on bronze gate, globe and angle valves and the body-cap joint on bronze check valves may be inside screw, screw-over, union ring or bolted construction.
4.3.2 Threaded Ends
4.3.2.1 Threaded end bodies may have poly gon ends or may have rounded ends with ribs. Valves with threaded ends shall be threaded in accordance with the requirements of ANSI B2.1.
4.3.2.2 All threads shall be countersunk a dis tance not less than one-half the pitch of threads at an angle of approximately 45 degrees. Countersinking shall be concentric with threads.
4.3.2.3 The length of threads specified in Table 3 shall be measured to include the coun tersink or chamfer. The maximum allowable variation in the alignment of threads of all openings of threaded valves shall be 0.06 inches in 12 inches (1,5mm in 305mm).
TABLE 3 - MINIMUM LENGTH AND DEPTH OF THREAD
Nominal Pipe Size
Length of Thread (minimum)
1/8 1/4 3/8 1/2 3/4 1 1-1/4 1-1/2 2 2-1/2 3
Inches 0.25 0.28 .0.31 0.37 0.44 0.51 0.60 0.62 0.67 0.82 0.88
.
mm 6.4 7.1 7.9 9.4 11.2 13.0 15.2 15.8 17.0 20.8 22.4
* Allowable entry of male pipe thread
Depth of Thread Chamber*
(minimum)
Inches
0.35
0.40 0.42 0,54
0.57
.
0.70 0.71
0.75
0.79 1.14
1.20
mm 8.9 10.2 10.7 13.7 14.5 17.8 18.0 19.0 20.1 29.0 30.5
5; *
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4.3.3 Solder Joint Ends -- Solder joint ends shall be prepared in accordance with appli cable requirements of ANSI B16, 18.
4.3.4 Flanged Ends - Flanges and drilling of flanged end valves shall be in accordance with applicable requirements of ANSI B 16.24. The finish of facing shall be in accordance with MSS SP-6,
4.3.5 Stem Thread Engagement
4.3.5.1 Rising stem valves shall have , a mini mum length of thread engagement with the valve stem equal to the outside diameter of the thread when the valve is closed and 75% of the outside diameter of the stem thread when the valve is fully opened.
4.3.5.2 In the case of non-rising stem valves, the length of the stem thread in contact with the wedge shall be at least equal to the outside diameter of the thread when the valve is closed.
4.3.6 Backseating - A backseat shall be pro
1vided in gate, globe and angle valves; however, repacking while the valve is pressurized is not recommended as a normal procedure.
4.4 Discs and Seat Rings
4.4.1 Discs and Seat Rings for Bronze Gate Valves
4,4.1.1 Solid wedge discs shall be of one piece construction with disc guides. The stem chamber of the NRS discs shall be open at the bottom for proper drainage.
4.4.1.2 Split wedge and parallel seat (double disc) shall be so designed that on reaching the
point of closure, thrust from the stem will cause the disc to contact and bear evenly against the seat.
4.4.1.3 All discs shall have machined seating
1surfaces and shall be securely attached to the stem in all operating positions.
4.4.1.4 Seats may have expanded-in, threadedin or otherwise renewable rings or may be cast integral with the body at the manufacturer's option.
4.4.2 Discs and Seat Rings for Bronze Globe and Angle Valves
4.4.2.1 Discs shall be securely fastened to the end of the stem in such a manner as to allow' these parts to freely swivel. Valve Types 1 and 2 in sizes 1/2 and smaller may have the disc or disc holder formed on the end of the stem. Discs, plugs or disc holders of the slip-on-type shall be adequately guided for self-centering and shall be so constructed with relation to body and bonnet that when the valve is fully opened, they will not slip off the stem. Disc holders for Valves Type 2 shall be
I designed to contain the periphery of the nonmetallic disc in position.
4.4-2,2 The seat may have an expanded-in, threaded-in or otherwise renewable ring or may be cast integral with the body at the manufacturer's option.
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4.4.3 Discs and Seats for Bronze Check Valves
4.4.3.1 Bronze check valves, Types 1 and 2 shall have the disc or disc holder substantially guided to ensure proper seating.
4.4.3.2 Bronze check valves. Types 3 and 4 shall have disc and disc holder securely fastened to the hanger or hingB. The connec tion shall allow sufficient freedom so that the . disc will properly seat by gravity. The joint shall swivel freely to allow uniform wear except that disc or disc holders and hanger may be integral in Class 125 valves.
4.4.3.3 Disc holders for Bronze check valves. Types 2 and 4 shall be designed to hold and support the non-metallic disc.
4.4.3.4 The seat may have an expanded-in, threaded-in or otherwise renewable ring or may be cast integral with the body at the manufacturer's option.
4.5 Stems for Bronze Cate Valves, and Bronze Globe and Angle Valves
Stems shall be threaded with either Acme form threads or 60 truncated "V" threads, so that the valve will be opened when the handwheel is rotated counter-clockwise. The handwheel end of the stem shall be a tapered square with its greatest diagonal approxi mately equal to the diameter of the stem or it may be of the splined or serrated design of equal strength. A threaded extension shall be provided to accommodate a wheel nut. This wheel nut may be brass, or if made of steel, it shall have a corrosion protective plating. The diameter of that portion of the stem passing through the stuffing box shall not be less than shown in Tables 4 and 5.
4.6 Stuffing Box and Packing Nut for Bronze Gate Valves and Bronze Globe and Angle Valves
4.6.1 Stuffing box for Class 125 valves may be of gland follower type or packing nut type. Stuffing box for all other valves, sizes greater than 1/2, shall be of the gland follower type. The length of packing in contact with the stem shall be at least one diameter of the stem passing through it. The thread of the packing nut shall be of sufficient length to enable the nut to be screwed on to the stuffing box at least two full threads when the full amount of packing is in place and the length of thread engagement between the stuffing box and the packing nut shall be sufficient for full travel of the gland follower.
4.6.2 Stem Packing: Stem packing shall be lubricated or graphited asbestos or tetrafluoroethylene impregnated asbestos of the braided, twisted, or formed ring type suitable for the pressure-temperature rating of the valve.
4.7 Handwheels for Bronze Gate Valves, and Bronze Globe and Angle Valves
Handwheels smaller than 6 in. (152mm) in diameter shalj be of the non-heat design with a raised rim to protect the hands. Handwheels 6 in. (152mm) in diameter and larger may be of the plain rim type marked to show the direction of opening. The diameter of the handwheel shall not be less than shown in Tables 6 and 7. AH handwheels shall have at least three spokes.
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TABLE 4 - BRONZE GATE VALVES
Nominal Valve Size 1/4 3/8 1/2 3/4
1. 1-1/4 1-1/2 2 2-1/2 3
125
Inches
mm
0,25 6.4
0.28 0.31
7-1 7.9
0.35
8.9
0.39 0.42
9.9 10.7
0.48
12.2
0.53
13.5
0.59
15.0
0.67 17.0
DIAMETER OF STEM - MINIMUM
PRESSURE CLASS
150 200
Indies
mm Inches mm
0.29
7.4 0.31
7.9
0.29
7.4 0.31
7.9
1 0-31 1 8.6 0.34
8.6
| 0.35 | 9.4 0.38
9.6
0.40
10.2 0.40 10.2
0.43 0.48
10.9 0.44 11.2 12.2 0.50 12.7
0.53
13.5 . 0.53
13.5
0.59
15.0 0,61
15.5
0.67
17.0 0.70 17.8
300 &, 350
Inches
mm
0.31 7.9
0.31 7.9
0.34
8.6
0.38
9.6
0.40
10.2
0.44
11.2
0.50
12.7
0.53
135
0.61
15.5
0.70
17.8
Nominal Valve Size 1/4 3/8 1/2 3/4
1 1-1/4 1-1/2 2 2-1/2 '3
TABLE 5 - BRONZE GLOBE AND ANGLE VALVES
125
Inches
mm
0.24
6.1
0.28
7,1
0.31 7.9
0.35
8.9
059
9.9
0.42
10.7
0.49
12.4
0.53 13.5
0.59 15.0
0.67
17.0
DIAMETER OF STEM - MINIMUM
PRESSURE CLASS
150 200
Inches
mm
Inches
mm
028
7.1 0.28
7.1
0.28
7.1 0.28
7.1
0.35
8.9 0.35
8,9
0.39
9.9 0.40
10.2
0.42
10.7 0.44 11.2
0.49
12.4 0.50
12.7
0.53
13.5 0.53
13.5
0.59
15,0 0.62
15.7
0.67
. 17.0
0.67 . 17.0
0.75.
19.0 0.75
19.0
11
300 & 350
Inches
mm
0.28
7.1
0.28
7.1
0.35
8.9
0.40 0.44
10.2 r- n.2
0.50
32.7
0.53
13.5
0.62
15.7
0.67
17.0
0.75
19.0
NIBCO-CORRELL000290
MAR-11-2004 THU 10:23 AM
MSS
FAX NO.
standard practice
P. 16
SP-80
TABLE 6 - BRONZE CATE VALVES
DIAMETER OF HANDWHEEL - MINIMUM
Nominal
PRESSURE CLASS
Valve
125
150 200 300 & 350
Si2e 1/4
Inches
mm Inches
mm Inches
mm Inches mm
1.62 41
1.75 44
2.00
51
2.00
51
3/8 1.62 41
1.75 44
2.00
51
2.00
51
1/2
1.88 48
2.00
51
2.25 57
2.25 57
3/4
2.25 57
2.50
64
2.50
64
2.50
64
1
2.62
66
2.62 66
2.75 70
2.75 70
M/4
3.00
76
3.00
76
3.25 82
3.25 82
1-1/2
3.25 82
3.50
89
3.62
92
3.62 92
2
3.62 92
4.00 102
4.00 102
4.00 102
2-1/2
4.38 111
4.62 117 `
4.62 117
4.62 117
3
5.00 127
5.00 127
5.50
140
5.50 140
' When irregular handwheels are furnished, the largest dimension of the shape shall be considered the handwheel diameter.
TABLE 7 - BRONZE GLOBE AND ANGLE VALVES
DIAMETER OF HANDWHEEL - MINIMUM
Nominal Valve
125
PRESSURE CLASS 150 200
300 & 350
Size
Inches
mm
Inches
mm
Inches
mm
Inches
mm
1/4 1.50 38 1.75 44 1.75 44 1.75 44
3/8
1.75 44
2.00
51
2.00
51
2.00
51
1/2
2.00
51
2.25 57
2.50
64
2.50
64
3/4
2.50
64
.2.62
66
2.75 70
2.75 70
1
2.75 70
3.00
76
3.00
76
3.00
76
1-1/4
3.00
76
3.50 89
3.50
89
3.50
89
1-1/2
3.50
89
3.75 95
4.00 102
4.00 102
2
4.00 102
4.38 111
4.75 120
4.75 120
2-1/2
4.75 120
5.00 127
5.38 137
5.38 137
3
5.38 137
5.75 146 '
.6.00 152
6.00 152
When irregular handwheels are furnished, the largest dimension of the shape shall be considered the handwheel diameter.
12
NIBCO-CORRELLOOQ291
MAR-11-2004 THU 10:23 AM
MSS
FAX NO,
STANDARD PRACTICE
P. 17
SP-80
5. MARKINGS
5.1 All valves shall be legibly marked in accordance with the requirements of MSS SP-25.
5.2 All bronze check valve bodies shall be legibly marked to indicate the direction of flow by means of an arrow cast on the valve body or. the word "in" or "inlet" cast or stamped on the inlet end of the body.
6. TOLERANCE
.
Tolerance specified in the standards refer' cnced for dimensions shall be applied to these valves.
7. INSPECTION AND TESTING
7.1 All valve parts shall be made within inspection limits which will insure ready interchangeability of parts.
7.2 Manufacturers shall be prepared to cer tify that their products meet the minimum requirements of this Standard Practice.
7.3 Pressure Test
7.3.1 Shell Test--Each valve assembly shall be given a hydrostatic, pneumatic or steam shell test as specified in Table 8. No visible leakage is permitted in the valve pressure boundary except at the stem packing (when adjustable) or test connection seals.
(
TABLE 8 - SHELL TEST
Pressure Class
125 150 200 300 350
Air psig .
SHELL TEST PRESSURE-MINIMUM Water
bar psig bar
80 5.6 80 5.6 80 5.6 80 5.6 80 5.6
300 450 600 1500 1500
20.7 31.0 41.4 100.4 100.4
. Steam psig
bar
125 125
--
-- --.
8.7 8.7 -- --
i 13
NIBCO-CORRELLOOQ292
. MAR-11-2004 THU 10:23 AM
MSS
FAX NO.
STANDARD PRACTICE
P. 18
SP-8Q
7,3.2 Seat Test
7.3.2.1 Each gate, globe and angle valve shall be given a hydrostatic, pneumatic or steam seat test as specified in Table 9. The maximum permissible leakage rate shall be 10 ml of water per hour per inch of diameter of nominal valve size or 0.1 of a standard cubic foot of air per hour (50 standard ml of air per minute) per inch of diameter of nominal valve size for valves in sizes 1 and larger, and 10 ml of water per hour or 0.1 of a standard cubic foot of air per hour (50 standard ml of air per minute) for valves in sizes smaller than 1.
7.3.2.2 Each check valve shall be given a hydrostatic or pneumatic seat test. The test pressure shall be equal to 50 psig (3.5 bar
gage) minimum. The pressure is to be applied at the outlet side of the disc. The maximum permissible leakage rate shall be 40 ml of water per hour per inch of diameter of nominal valve size or 0,4 of a standard cubic foot of air per hour (200 standard ml of air per minute) per inch of nominal valve size for valves in sizes 1 and larger and 40 ml of water per hour or 0.4 of a standard cubic foot of air per hour (200 standard ml of air per minute) for valves In sizes smaller than 1.
7.3.3 Alternate Test Methods
Alternate test procedures may be substituted when an established quality assurance pro gram provides equivalent results to the test requirements of Paragraphs 7.3,1 and 7.3,2.
Pressure Class
125 150 200 300 350
TABLE 9 - SEAT TEST
Air
psig
80 80 80 80 80
SEAT TEST PRESSURE-MINIMUM Water
bar psig bar
5.6 200 13.8
5.6 300 20.7
5.6 400 27.6
5.6
1000
69.0
5.6
1000
69.0
Steam
psig bar
125 8.7 125 8.7 125 8.7 125 8.7 125 8.7
14
NIBCO-CORRELLOOQ293
MAR-11-2004 THU 10:24 AM
MSS
FAX NO.
STANDARD PRACTICE
P. 19
SP-80
ANNEX A
This annex is an integral part of this Standard Practice which is placed after the main text
for convenience,
'
American National Standard - ANSI B16.18, Cast Copper Alloy Solder-Joint Pressure Fittings.
Strength of Solder-Joints
The ihiwimura recommended pressure-tempeniture ratings for soldar-joinis made with cop
per tufas end copper allay.fittings, using representative commercial solders are listed in the table below for customary and metric units.!1)
Note - For extremely low working temperatures (in the 0*F to - lOQ'f1' (-18C to-73"C) ' range) it is recommended that a bracing alloy melting at or above lDOO^F (J40C)
be used.
Table A Pressure-Temperature Ratings Maximum Working Pressure, pri
Solder Used in Joints
50-50 Tin- 4 LeadO)
Working Temperatures
Deg. F
100 150 200 250
1/* to 1 inch
IncL
200 . 150
100 85
1 1/4 to 2 inch
Inch
ITS 125 00 * 75
2 1/2 to 3 inch
Inch
150 100 75 50
95-5 TinAntimony
100 150 200 250
500 400 300 400 350 275 300 250 200 200 175 150
Brasing Filler Metals Melting
at or Above 1000'F arid
Not Over 1400`F
Pressure-temperature ratings consistent with the materials and proendures employed.
Maximum Working Pressure, bar, gage
Solder Used in Joints
Working Temperatures
Dag. C
1/4 U) 1 inch
IncL
1 1/4 to 2 inch
Inch
3 1/2 to 3 inch
Inch
50-50 TinLead!*)
95-5 TinAntimony
it 66 94 121
38 66 94 III
13.8 10.3 6.9 S.9
34.S 27.6 20.7 13.8
12.1 A.6 6.2 5.2
27.6 24. t 17.2 12,t
10.3 6.9 5.2 34
20.7 19.0 138 10.3
Braiing Filler
Metals Melting at or Above 540C and Not Over 760`C .
Prcfiurc-Umixiniture ratings consfctent with lh materials and pro* cedures employed.
lbsr=iosya.
.
(OSelderttVg is defined as "A group uf welding processes which products candescence of materials by heating
rhem to a suitable temperature and by using a filler ratul Iravirtg a liqujdus not exceeding B4Q F (45fl`C) and
below the lOltdCs uf the base malerlall. The filler metal is dlstrlbuied between the closely fitted stirfaces of the joint by capillary attraction."
(')aSTMB,VJ Alloy Grade 5QA.
.
15
NIBCO-CORRELLOOQ294
MAR-11-2004 THU 10:24 AH
MSS
FAX NO.
STANDARD PRACTICE _________ ANNEX B____________
P. 20
SP-80
PART NAME
1 HANDWHEEL LOCK NUT 2 IDENTIFICATION PLATE 3 HANDWHEEL 4 STEM 5 PACKING NUT 6 GLAND 7 PACKING 8 PACKING BOX 9 BONNET 10 SOLID WEDGE 11 BODY
PART NAME
1 HANDWHEEL LOCK NUT ? IDENTIFICATION PLATE 3 .HANDWHEEL 4 STEM 5 PACKING NUT 6 GLAND 7 PACKING 8 BONNET 9 SOLID WEDGE 10 BODY
GATE VALVE TYPE 1
GATE VALVE TYPE 2
Figure B1
16
Figure B2
f
NIBCO-CORRELLOOQ295
MAR-11-2004 THU 10:24 AM
MSS
FAX NO.
STANDARD PRACTICE
P. 21
SP-80
PART NAME
1 HANDWHEEL NUT 2 IDENTIFICATION PLAfE 3 HANDWHEEL 4 STEM 5 PACklNGNUT 6 "GLAND 7 PACKING 8 SONNET 9 SPLIT WEDGE 10 BODY
GATE VALVE TYPE 3
Figure B3
PART NAME
i handwheel nut 2 HANDWHEEL 3 PACKING NUT 4 GLAND 5 PACKING 6 STEM 7 BONNET 8 BODY 9 DOUBLE DISC 10 DISC WEDGE
... ...
GATE VALVE TYPE 4 Figure B4
17
NIBCO-CORRELLOOQ296
. MAR-11-2004 THU 10:24 AM
MSS
FAX NO.
STANDARD PRACTICE
P. 22
SP-SO
PART NAME
1 HANDWHEEL LOCK NUT 2 IDENTIFICATION PLATE 3 HANOWHEEL T4 "STEM 5 PACKING NUT 6 GLAND 7 PACKING $ BONNET. a UNION BONNET RING 10 LOCK NUT til DISC 12 BOOT
hive integral stem
GLOBE AND ANGLE VALVES TYPE 1
Figure B5
18
PART NAME
1 HANOWHEEL LOCK NUT
2 IDENTIFICATION PLATE
3 Handwheel
4 stem
5 PACKING NUT
e GLAND
7 PACKING
8 BONNET
9 ISC holder
10 DISC
~
11 DISC PLATE (not shown)
12 DISC NUT
13 BOOT
GLOBE AND ANGLE VALVES TYPE 2
Figure B6
1i
i
i i
i
NIBCO-CORRELL000297
MAR-11-2004 THU 10:25 AM
MSS
FAX NO.
STANDARD PRACTICE
P. 23
Stf-80
!/4", 3/8", 1/2" VALVES
PART NAME
1 HANDWHEEL LOCK NUT_ _
2 IDENTIFICATION PLATE
3 HANDWHEEL
4 STEM
S PACKING NUT
..
ft GLAND
7 PACKING
_
8 BONNET
9 UNION BONNET RING
to LOCKNUT
it PLUG DISC
12 SEAT RING
13 BODY
GLOBE AND ANGLE VALVES ___________ TYPE 3
Figure B7 19
NIBCO-CORRELLOOQ298
<v < 'I MAR-11-2004 THU 10:25 AM
MSS
FAX NO.
STANDARD PRACTICE
P. 24
SP-80
i
PART NAME
1 CAP 2 UNION CAP RING 3 TT5E 4 BODY
.
CHECK VALVE-TYPE 1 Horizontal Lift Check - Metal to Metal Seat
Figure B8A
PART NAME 1 CAP 2 UNION CAP HING 3 "5155 ^ 4 BODY
CHECK VALVE - TYPE 1 Angle Lift Check - Metal to Metal Seat
Figure B8B 20
NIBCO-CORRELLOOQ299
MAR-11-2004 THU 10:25 AM
MSS
FAX HO.
STANDARD PRACTICE
P. 25
SP-80
PART NAME
I CAP OR COVER 2 sobV 3 DlSf HOLDER 4 OISC
$ DISC GUIDE NUT
.......
CHECK VALVE TYPE 2
Horizontal and Angle lift Check Composition to Metal Seat
Figure B9A
PART NAME 1 BODY 2 OISC HOLDER 3 DISC 4 DISC GUIDE NUT 5 SCREW-IN HUB
CHECK VALVE TYPE 2
Vertical Lift Check Composition to Metal Seat
Figure B9B
21
NIBCO-CORRELL000300
MAR-11-2004 THU 10:26 AM
MSS
FAX NO.
STANDARD PRACTICE
P. 26
SP-80
CHECK VALVE TYPE 3
Figure B10
PART NAME
1 CAP
2 STOP PLUG
3 SIDE PLUGS
4 HANGER PIN
5 HANGER
'
6 'RETAINING RING
WASHER
8- DISC
9 BODY*
"Body of "Y" type
I
I design also acceptable |
CHECK VALVE TYPE 4
Figure Bll
22
PART NAME
1 CAP
2 SIDE PLUGS
3 HANGER PIN
4 HANGER
5 oisEholder
6 DISC
7 HANGER NUT
8 DISC NUT
d BODY*
'
"Body of "Y" type
I design also acceptable
~ "
j i
i
NIBCO-CORRELL000301
MAR-11-2004 THU 10:26 AM
MSS
FAX NO.
STANDARD PRACTICE
ANNEX C Metric Equivalents
P. 27
SP-80
I. This annex contains the metric version of the following Pressure-Temperature Rating, Table C-l.
II. Pressure-Temperature Rating, Table 1: The table in this annex was developed by using the equation of the P-T curve between 65 deg. C and 208 deg, C or 288 deg. C and calculating the pressure in bars (gage) for the temperatures listed in Table C 1 of this annex. The conversion unit for 1 bar is equal to 14.5038 pounds per square inch.
III. Conversion of Dimensions to Metric Equivalents:
A. The dimensions listed below, which are usually listed as two place decimals in the standards, shall be considered to be fractions when converting the dimension -
( Handwheel diameter.
B. All other decimals shall be considered to be exact decimal dimensions for the purposes of this conversion. Examples: stem diameters, length of pipe threads, depth of thread chamber, etc.
C. Significant Figures: The following rules shall be applied for rounding the metric equivalents calculated in accordance with A and B above.
1. Fractions - round to nearest mm (25).
2. Decimals - round to one decimal place (25.0).
( 23
NIBCO-CORRELL000302
MAR-11-2004 THU 10:26 AM
MSS
FAX NO.
STANDARD PRACTICE
P. 28
SP-80
TABLE C 1 - PRESSURE - TEMPERATURE RATINGS - METRIC UNITS
PRESS CLASS END CONN TEMP. 1 deg. C
125 THD
150
THD
FLG2
PRESSURE - bar3
200
THD
THD5
300 THD
MATERIAL
ASTM B-62
ASTMB-61
FLG2
350 THD
.
--30 To 65 75
100 125 150 175 200 208 225 232 250 275 288
13.8 13.4 12.5 11.6 10.7 9.8 8.9
8.6 --
8.24 -- --
20.6 19.9 18.1 16.3 14.5 12.7 10.9 10.3 -- 10.04 --
--
--
15.5 15.2 14.2 13.3 12.4 11.5 10.6 10.3 -- -- --
--
27.6 27.0 25.4 23.9 22.5 20.8 19.2 -- 17.7
......
16.2 14.6 13.8
69.0 67.0 61.6 56.1 50.6 45.2 39.7 -- 34.3 -- 28.8 23.4 20.7
41.4 40.6 38.3 36.0 33.6 31.3 29.0 - 26.6 -- 24.3 22.0 20.7
34.5 33.8 32.3 30.8 29.2 27.6 26.1 -- 24.5 -- 23.0 21.4 20.7
69.0 67.2 62.0 57.0 52.0 47.0 42.0 -- 36.8 --. 30.8 26-7 24.1
Notes: I - For lower temperatures, See Paragraph 2.5.
2 - P-T Ratings - ANSI B 16.24.
3 - Refer to Paragraph 2.4 for safe P-T Rating for solder-joint pipe systems.
4 ~ Some codes (i.e. - ASME BPVC. Section I) limit the rating temperature of the indicated material to 208 C.
5 - Alternate ratings for valve size 1/8-2 having threaded ends and union ring body-bonnet joints.
J
j
;i
24
NIBCO-CORRELLOOQ303
WAR-11-2004 THU 10:26 AM
MSS
FAX NO.
STANDARD PRACTICE
ANNEXD UNS DESIGNATION
P. 29
SP-80
This annex provides the unified numbering system's designation (UNS No.) for the ASTM Standards and the Federal Specifications that are referenced in Table 2 - List of Material Specifications.
ASTM STDS.
A494-GR M35 B16-CA360 B21-CA464 B21-CA482 B61-CA922 B62-CA836 B99-CA651 B124-CA377 B124-CA675 B140-CA320 B148-CA956 B150-CA642 B282 Type 2 B371-CA694 B371-CA697 B584-CA844 B584-CA864 B584-CA874 B584-CA875 B584-CA876
UNS No.
__ C36000
. C46400 C48200 C92200 C83600 C65100 C37700 C67500 C32000 C95600 C64200
C69400 C69700 C84400 C86400 C87400 . C87500 C87600
FEDERAL SPECS.
UNS NO.
Q<K!-390 Alloy C2-CA865 QQ-C-390 Alloy D4-CA922 QCK-465 Alloy 614-CA614 QQ-C-591 Alloy 651-CA651
C86500 C92200 C61400 C65100
25
NIBCO-CORRELL000304
j sSAR-11-2004 THU 10:27 AM
FAX NO.
P.30
MSS
STANDARD PRACTICE
SP-80
ANNEX E REFERENCE STANDARDS
This annex, is an integral part of this Standard Practice which is placed after the main text for convenience.
list of standards and specifications referenced in this Standard Practice showing the year of approval.
ASME Publications (Approved as American National Standards)
ANSI B2.J -1968 ANSI B16.18-1978 ANSI B16,24-1979
Pipe Threads (Except Diyseal) Cast Copper Alloy Solder-Joint Pressure Fittings Bronze Flanges and Flanged Fittings, Class ISO and 300
ASTM Publications
ASTM A494-76 ASTM B16-78 ASTM B21-78 ASTM B61-76 ASTM B62-76 ASTM B99-77 ASTM B124-78 ASTM B140-74 ASTM B148-78 ASTM B150-78 ASTM B282-70 ASTMB37l-74a ASTM 6584-78
MSS Publications
Specification for Nickel and Nickel Alloy Castings
Specification for Free-Cutting Brass Rod, Bar, and"Shapes for Use in Screw Machines Specification for Naval Brass Rod, Bar, and Shapes Specification for Steam or Valve Bronze Castings Specification for Composition Bronze or Ounce Metal Castings Specification for Copper-Silicon Alloy Wire for Genera] Purposes Specification for Copper and Copper-Alloy Forging Rod, Bar and Shapes Specification for Copper,Zinc, Lead (Leaded Red Brass or Hardware Bronze) Rod, Bars and Shapes Specification for Aluminum-Bronze Sand Castings Specification for Ailuminum Bronze Rod, Bar and Shapes Specification for Sintered Brass Structural Parts Specification for Copper-Zinc-Silicon Alloy Rod Specification for Copper Alloy Sand Castings for General Applications
MSS SP-6-1974 MSS SP-25-1978
Standard Finishes for Contact Faces of Pipe Flanges and Connecting-Lnd Flanges of Valves and Fittings Standard Marking System for Valves, Fittings, Flanges and Unions
Federal Specifications
'
QQ-C-390 QQ-C-465 QQ-C-591
Copper Alloy Castings
Copper-Aluminum Alloys Copper-Silicon, Copper-Zinc-Silicon A Copper-Nickel-Silicoo Alloys
Publications of the following organizations appear on above list:
ASME
The American Society of Mechanical Engineers 345 East 47th Street,New York,New York 10017
ASTM
American Society for Testing and Material 19 J 6 Race Street, Philadelphia, Pennsylvania 19103
MSS Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. 5203 Leesburg Pike, Suite 502, Falls Church, Virginia 22041
Publications appearing above which have been approved as American National Standards may also be obtained from:
ANSI
American National Standards Institute, Inc. 1430 Broadway, New York, New York 10018
26
NIBCO-CORRELLOOQ305