Document 1QM5xKMX0YwkrgG867gOrZRr5

oi/u'cDAKD OIL ffANY OF CALIFORNIA ENGINEERING DEPARTMENT - SAN FRANCISCO SPECIFICATION NO. EG-2350-A, FEBRUARY 2, 1971 SECTION A PAGE 1 OF 10 CONTROL VALVE CONSTRUCT ION SECTION A TECHNICAL REQUIREMENTS 1.0 SCORE This Specification covers Company's minimum requirements for the design, fabrication and inspection of all valves used for control, except gate valves.- Air-operated diaphragm actuators, piston actuators and control valve positioning devices are also covered by this Specification. Electric-operated control valves shall meet the requirements of this Specification insofar as they are applicable. 2.0 BODY 2.1 Valve bodies and bonnets shall conform to the following material specifications, as applicable: Carbon Steel Castings ASTM-A216, Gr WCB Carbon jr Mo Forgings Castings ASTM-A105, Gr II ASTM-A217, Gr WC1 l Cr Mo Forgings Castings Forgings ASTM-A182, Gr FI ASTM-A217, Gr WC6 ASTM-A182, Gr Fll 5 Cr \ Mo Castings ASTM-A217, Gr C5 Forgings ASTM-A182, Gr F5 9 Cr-1 Mo Castings ASTM-A217, Gr C12 (9 Chrome) Forgings ASTM-A182, Gr F9 Hastelloy B of C Castings ASTM-A49J+ 304 SS Castings ASTM-A351, Gr CF8 Forgings ASTM-A182, Gr 304 Monel (Manufacturer's Standard) 316 SS Castings Forgings ASTM-A351, Gr cf8m ASTM-A182, Gr F316 3^7 SS Castings Forgings 347ASTM-A351, Cr cf8c ASTM-A182, Gr Acceptable material substitutes are: (a) 316 SS in place of 304 SS or 9 Cr or 9 Cr-1 Mo. (b) 5 Cr in place of l-jj- or 2^- Cr (on flanged valves only). CHEV BB 0000588 Axxii'-uiuuj Ulii w: v-ui x ur CALIr UXuvjlA ENGINEERING DEx.-RTMENT' - SAN FRANCISCO SPECIFICATION NO. EG-2350-A FEBRUARY 2, 1971 SECTION A PAGE 2 OF 10 2.2 Body "bolting and packing-flange studs shall conform to the following specifications: ASTM-A193 - Alloy Steel Bolting for High Temperature Service. ASTM-A194 - Carbon and Alloy Steel Nuts and Bolts for High Pressure and High Temperature Service. Except that studs and nuts for Austenitic Stainless Steel and Nickel Alloy Valves shall be of the same nominal chemistry as the valve body. 2.3 .All flanged connections and pressure-temperature ratings shall con form to ANSI Bl6.5, except as follows: (a) Flanged valves, 4 inch size and smaller shall- have rating at least 300 lb for steel bodies and 250 lb for iron bodies. (b) Flange facings for "raised" and "flat faced" flanges shall be "smooth - 250 AARH maximum" in accordance with MSS-SP-6.- A 250 RMS smooth finish is an acceptable alternate as judged by comparison with Visual Standards such as "General Electric Standard Roughness Specimens." (c) "Flangeless" type bodies such as wafer-butterfly, ball, etc., shall have body rating and facing that meets pipe specification. These valves shall be furnished with thru bolt-studs and nuts. (d) Threaded-end valves shall have internally tapered threads in accordance with ANSI B2.1 and minimum body rating of 600 lb in steel or 250 lb in iron. Threaded valves shall be allowed only in body sizes ! inch and less. (e) "Welded-on" flanges and similar fabricated body constructions are only acceptable by prior agreement with COMPANY. 2.4 End Connections shall be 1-inch minimum except when the line size is smaller. Odd body sizes, such as 1-J-, 2\ and 5-inch shall not be used. 2.5 Face-to-face dimensions shall conform to ANSI B16.10 (equal to ISA RP 4.1.IF) wherever practical. 2.6 Globe valves shall have a bolted-bonnet with confined gasket. Gasket material shall be the manufactuxers standard providing it meets the requirements specified on the purchase specification sheet attached to the Agreement to which this Specification applies. 2.7(a) Extension-bonnets shall be provided where specified. Where possi ble valves in these services shall be provided with packing and 3HEV BB )000589 STANDARD OIL C RANY OF CALIFORNIA ENGINEERING DEPARTMENT - SAN FRANCISCO SPECIFICATION NO. EG-2350-A FEBRUARY 2, 1971 SECTION A PAGE 3 OF 10 lubricant designed to withstand the process fluid temperature, with out consideration of the possible radiation losses due to an exten sion bonnet. 2.7(b) Bellows-seal type bonnets shall be provided where specified. As a precaution against bellows failure, the bonnet shall be provided with "back-up" packing to seal the valve stem and bonnet, and a plugged pressure test connection. 2.8 Lubricators and isolating valves shall be furnished with all valves requiring stem lubrication. One year's supply of lubricant shall be furnished with each lubrica tor. J 2.9 Direction of flow shall be cast or stamped on the valve body. 3.0 TRIM 3.1 Globe valves having "cage" type trim shall meet the following minimum requirements: (a) Controlled compression type gaskets used as a pressure seal between adjoining portions of the trim, or body and trim, shall not be subject to inner valve seat loading and unloading. (b)- Cage and plug shall be hard stainless steel as a standard. Coefficients of thermal expansion for cage and ping shall be similar, so that required clearances are maintained over the range of operating temperatures. (c) Reduced trim for two nominal sizes smaller than valve body size shall be available as a standard option.' t (d) Valve stem shall be threaded and pinned to the valve plug. It shall be hardened stainless steel as standard, having a finish of 8 micro inches RMS or less. (e) Flow characteristic shall be obtained by means of "shaped cage ports" rather than a "shaped plug with rectangular ports." 3.2 Globe valves having conventional plug and seat rings shall meet the following minimum requirements: (a). Double seated valves shall be top and bottom guided. (b) Single seated valves shall be top and bottom guided; or top guided only, providing the guide post has sufficient diameter to provide lateral stability to the valve plug. CHEV BB 0000590 or^UARD OIL C PANY OF CALIFORNIA ENGINEERING DEPARTMENT ~ SAN FRANCISCO SPECIFICATION NO. EG-2350-A FEBRUARY 2, 1971 SECTION .A PAGE 4 OF 10 (c) Plug and seat rings shall be hard stainless steel as standard. (d) Hardened guide material shall be 350 BHN minimum, with a differential hardness not less than 125 BUN between sliding metal surfaces. (e) Valve stem shall be threaded and pinned to the valve plug. It shall be hardened stainless steel as standard having a finish of 8 micro inches or less. The plug shall be reversible in the field by removal of the pin and valve stem. (f) Bonnet and bottom flange, where supplied, shall be interchange able so as to permit reversal of the valve action without addi tional parts or alterations. 3.3 Ball control valves shall meet the following minimum requirements: (a) The ball plug shall rotate through 90 and its surface shall be wiped clean by the shearing action of a seal.ring, to prevent accummulation of solids and damage to the ball surface. (b) The ball shall be designed to control flow in either direction. The seal ring shall provide reasonable shut-off when pressure is applied to the body in the reverse direction. (c) Ball shaft shall be 17-4PH hardened stainless steel as a standard. The ball plug shall be 316 SS with a polished chromium-plated surface as standard. Other trim parts shall be hardened SS unless specified otherwise. (d) Spline type connection shall be provided between ball plug, shaft and actuator. Shear pins or keys are not acceptable. (e) Ball plug position shall be indicated by an engraved marking or mechanical indicator connected to the ball shaft. 3.4 Butterfly control valves shall meet the following minimum requirements: (a) Heavy duty flangeless 'wafer' construction shall be standard. (b) Shaft shall be 17-4FH hardened stainless steel with plain stainless steel inboard bushings and bronze outboard sleeve bearings. Provision shall be made for bearing lubrication. CHEV BB 0000591 .STANDARD OIL v. iPANY OF CALIFORNIA ENGINEERING DEPARTMENT - SAN FRANCISCO SPECIFICATION NO. EG-2350-A FEBRUARY 2, 1971 SECTION A PAGE 5 OF 10 In cases where the pressure drop across the vane is high, where extension bonnets are supplied, or for valves that have special tight shut-off features such as elastomer lining, outboard bearings shall be of the precision roller type. (c) Butterfly valves shall normally be installed with the shaft in the horizontal plane. Thrust bearings designed to support the weight of shaft and vane shall be provided where the shaft is not so mounted. (d) Shaft shall have spline or keyway connection with actuator that will allow valve action to be easily changed. (e) Vane position shall be indicated by an engraved mark on the end of the shaft. (f) Vane shall be carbon steel unless specified otherwise. (g) Vane shall be pinned to the shaft so that excessive vane torque will shear the pins before rupture of vane or shaft. 4.0 PACKING AND LUBRICATION . 4.1 Recommended stem or shaft packing and lubricants are as follows: Service Air Ammonia Asphalt & Tars Aromatic Solvents (as benzene, toluene, etc.) to 600F Chlorine Liquid and Chlorine Gas Hydrocarbon Liquids to 600F. LPG, fuel & lube oil, crude distillates Packing Garlock 256 or John Crane 6AM Garlock l44, Raybestos Manhattan 122S Garlock 256 or 144 Garlock 256 or l44 John Crane C-98 Garlock 256 or l44 John Crane 6AM Lubricant Rockwell 234 Rockwell 421 or l47 Rockwell 555 Rockwell 755 Rockwell 188 Rockwell 555 CHEV BB 0000592 ' Service Gasoline, Kerosene, mineral oil, naphthas Hydrocarbon gas Hydrochloric Acid and Hydrochloric Acid Hydrocarbon Mixtures Hydrofluoric Acid 80 to 10C$ Nitric Acid (0 to 8056) to i4of Phenol Phosphoric Acid (70-10056) to 250P Salt Water Sodium Hydroxide to 425F Steam (Superheated) -Limits 1200P/2000PSI Steam to 125 paig Steam between 125 to 600 psig Sulfuric Acid (75^6 to fuming) 40 to 100P Water - Fresh, Cooling Tower Hydrogen &J.AMJAKI) OIL CC ANl 01 CALIFORNIA ENGINEERING DEPARTMENT - SAN FRANCISCO , SPECIFICATION NO. EG-2350-A FEBRUARY 2, 1971 SECTION A PAGE 6 OF 10 Packing Garlock 256 or 144 Lubricant Rockwell 357 Garlock 256 John Crane C-98 Rockwell 555 or 386 Rockwell 921- John Crane 704 John Crane 704 John Crane 704 John Crane 704 Garlock 256 John Crane 704 or C-98 John Crane 177-AI Garlock 145 Garlock 256 John Crane 704 Garlock 256 . Raybestos Manhattan 122S Rockwell 799 Rockwell 921 Rockwell 921 Rockwell 921 Rockwell 234 Rockwell 421, l47 or 921 Rockwell 234 Rockwell 921 Rockwell 921 Rockwell 234 Rockwell 555 . Brief description of packing materials follow: John Crane 6AM - Braided asbestos with monel wire insert. Asbestos core with dry graphite lubricant. Maximum temperature: 850P :hev bb J000593 STANDARD OIL COk_-iNY CF' CALIFORNIA ENGINEERING DEPARTMENT - SAN FRANCISCO SPECIFICATION NO. EG-2350-A FEBRUARY 2, 1971 SECTION A PAGE 7 OF 10 John Crane 177-A1 John Crane C-98 John Crane 704 Garlock 256 Garlock l44 Raybestos Manhatten 122S - Closely braided asbestos with inconel wire insert. Long fibre asbestos core with flake graphite lubricant Max. temperature: 1200F Max. pressure t` 2000 PSI - Braided asbestos yarn impregnated with teflon Temperature; -100F to + 600F - Pure Teflon braid, no lubricant within the packing. Temperature: -100F to + 500F - Long fibre asbestos yarn with copper wire insert. Impregnated throughout with petroleum, lubricant. Graphite coated surface. 0 Maximum Temperature: 700 F - Woven asbestos cloth wrapped over a rubber core. Cloth is impregnated with rubber (except outside surface) and a glycerol lubricant. Graphite coated surface. Max. tenperature: 600F - Asbestos cloth wrapped over a rubber core. Cloth is lubricated, and surface coated with flake graphite. Max. temperature: 6O0F NOTE: The above packing numbers are for Coiled Packing. Preformed-Ring packing is preferred when installed at factory. 4.2 y Stuffing box shall have a bolted packing flange and for valves requiring stem lubrication, a Lantern Ring shall be provided. Lantern Ring material must be compatible with the process fluid and shall not cause scoring of valve stem. CHEV BB 0000594 ENGINEERING DL UTMENT - SAN FRANCISCO SPECIFICATION NO. EG-2350-A FEBRUARY 2, 1971 SECTION A PAGE 8 OF 10 5.0 ACTUATORS 5.1 Actuators shall he designed to move the valve over its full stroke and he sized for the maximum pressure drop and line pressure shown on the purchase specification sheet attached to the Agreement to which this Specification applies. 5.2 In the opening direction, a travel limit stop shall he engaged before the valve plug reaches its travel limit. The "stop" shall be designed to absorb any force transmitted to it. In the closing direction, the valve plug shall seal before the actuator reaches its travel limit. 5.3 Actuator characteristic shall be linear, at least over the working ' portion of its range. Actuator performance shall be as follows: (a) Stem position error shall not exceed +5$> of rated travel. .(b) Hysteresis shall not exceed 5/6 of rated travel. 5.4 Valve stem position shall be indicated on a graduated scale with the words "OPEN" and "CLOSED" at the stem travel limits. The indicating pointer shall be directly connected to the stem. 5.5 Spring and diaphragm actuators shall be of the enclosed spring type. They shall preferably be direct acting and designed to stroke nomi nally 3 to 15 PSIG when in operation. Other ranges are only accept able by prior agreement with the Company. 5.6 Actuators shall have a positive action on failure of the operating medium, unless otherwise specified. This may be obtained by use of springs or auxiliary volume tanks used in conjunction with relays. Mechanical "fail-safe" devices are not acceptable. 5.7 Actuator size shall not be less than the manufacturers standard size for a given valve. 5.8 Handwheels, when specified, shall be of the side mounted type except for butterfly or ball valves which shall have shaft mounted handwheels. Handwheels shall preferably not require UBe of a clutch or gear shift and shall be continuously connected type capable of moving the valve in either direction. The neutral position of travel shall be clearly marked. . Without exception, handwheel operation shall be "clockwise rotation closes valve" and, "counterclockwise rotation opens valve." CHEV BB 0000595 STANDARD OIL CO.-ANY OP' CALIFORNIA ENGINEERING DEPARTMENT - SAN FRANCISCO SPECIFICATION NO. EG-2350-A FEBRUARY 2, 1971 SECTION A PAGE 9 OF 10 6.0 ACCESSORIES 6.1 Pneumatic positioners, relays, transducers, etc. furnished with con trol valve shall be mounted and connected by the supplier using size 3/8 inch stainless steel or PVC coated copper tubing. Tubing fit tings are to be compression type, stainless steel for stainless steel tubing and brass for PVC coated copper tubing. 6.2 Pneumatic valve positioners shall have Tull by-pass assembly except for split range pneumatic positioners, or where spring/diaphragm range is other than 3-15 PSIG. Each positioner shall be supplied complete with supply, input and output air gauges. 6.3 Electro-pneumatic positioners, transducers, and valves provided with pneumatic relays or solenoid valves shall be provided with an output air gauge to measure diaphragm pressure. 6.4 Each control valve shall be furnished with a permanently attached, corrosion resistant nameplate bearing the following information: (a) Manufacturer's name, model number and serial number (b) Body and trim size (c) Body and trim materials (d) Trim type (e) Body and flange rating (f) Valve action on air failure (g) Bench setting and operating range (h) Tag number and Purchase Order number In addition, each valve shall have a tag indicating the packing material and lubricant. 7.0 INSPECTION AND TESTING 7.1 Valve body shall pass a hydrostatic pressure test after assembly at the manufacturers works. Test pressure for steel bodies shall be according to ANSI B16.5. Test pressure for cast iron, brass or bronze bodies shall be two times the nominal body rating. CHEV BB 0000596 UXlj i I'm* -l u* C/itu-C urm o-M, ENGINEERING DEx^RTMENT - SAW FRANCISCO ' SPECIFICATION NO. EG-2350-A FEBRUARY 2, 1971 SECTION A PAGE 10 OF 10 - 7.2 Where specified, castings that require radiograph testing shall meet ASTM Standard No. E-71, Class 2 for castings up 2 inches in thickness or ASTM Standard No. E-I86-67 for heavy walls 2 to V inches in thick ness. 7.3 Where specified, castings that require dry powder magnetic particle .. inspection shall meet ASTM Standard E-109-03. 7.4 Where specified, castings that require dye penetrant inspection shall meet ASTM Standard E-I65. ^HEV BB )000597 STANDARD OIL U.JPANY CF CALIFORNIA ENGINEERING DEPARTMENT - SAN FRANCISCO SPECIFICATION NO. EG-2350-A FEBRUARY 2, 1971 SECTION B PAGE 1 OF 1 CONTROL VALVE CONSTRUCTION SECTION B GENERAL REQUIREMENTS - PURCHASING 1.0 GUARANTEE VENDOR guarantees that the control valves furnished hereunder meets the requirements set forth in this Agreement and are free of defects in design materials and workmanship for a period of one year after the date the equipment is placed in operation (but not more than eighteen months after date of delivery). If any item of design, materials or workmanship does not meet this guarantee and VENDOR is notified thereof, VENDOR shall, at his own expense, promptly make such alterations, repairs and replacements as may be necessary to meet this guarantee with the least overall loss of operating time to COMPANY. CHEV BB 0000598 J, M. SJ,f9F M AT E F ' A L S; m i^., '* Job No^-lQ-Q7' * n-rfiwK83'Sfc a^.,,.i-, m. 8l7f-Q3-3fcCHj#^ DrafHmarr.XARU05 DATE REQUIRED:, ^/s/63,: P** ^ 3 - _ r^rt-- UK. IT?M NO NO. 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I., v{ . ***. *, " 4 > f ;r 1` . 14 L40FA3C I FLAWGE 300LB C5RF SLIP-ON 15 LGIF6C 16 LP20BM 17 6 1 1 GASKET 300LB 304/ASB.SPIRAL WND 4 STUD BOLT 6*7 W/2 NUTS 1 -C v-/ CONTROL, VLV. 300LB. CS. 3T. fOXSOW RDEM-77S3 MODEL VIS STABIFLO ,3"QL0BE. : ' ' ' >, ` 1* ii CAGE. SINGLE SEAT . '' . , 20 / 21 \ '. 22 CWD 110 lsi^TA\_L.AnOvJ ' 23 24 i IP TO VlfTT 25 DELiv^.'ev.DArrk' * 26 i ' 27 28 y \ ss -r ' 29 30 'f * if. *t V. i '. * Ms-' 31 Fa1 . 32 1 W:. \ Vr ` .L _ .htiofP, !;:i/:Ajs'_2.kd:.j ^ 1, ,yi/[ ( \ ` .7 - ! . '. ..-wi A' ,rAt ;.'v r J. ' ' n' ; i ; i > 33 ' r . < V' " .. "k. 34 V : vr ... ------- ... CHEV BB - - --unUnUnUnjrnVoV .| 7 .. i 35 LC? V" -------- :------- 1------------------------------------ _--- ------:---------------1----------------- -- MV |