Document EdzYb8OBvz6joEVo8D9zBD9Yx

tfloe Mli7UI PITTSBURGH PLATE GLASS COMPANY CHEMICAL DIVISION LAKE CHARLES. LA. ENGINEERING DEPARTMENT SPECIFICATION NO.DES-P799-IN-1 DATE PAGE 1 OF APPROVED TITLE INSTRUMENTATION INFORMATION AND IDENTIFTCATION SYSTEM GENERAL Instruments and Instrumentation items shall he identified by* a system of letters and numbers, together with a number of pictorial symbols, which are described in the following paragraphs* IDENTIFICATION The instrument identification number shall consist of the following sections: General Identification FT - (Mark No.) -, Instrument Number 80-986 Variable and function should always be separated by a slant-bar such as P/RC so as to clearly define the variable. In some cases multiple letters may be used to properly clarify the variable such as FPT/R1* The "General Identification" aection shall be made up of a combination of letters which represent the general function of the item* The following table gives the meaning of the letters and shall be used In selecting the letters to identify a particular instrument. The "Instrument Number" section shall originate at number one (1) and proceed in sequence* The instrument number shall originate in and be assigned by Engineering* Instrument number shall not appear on any drawing other than equipment schedule list. I BB 0015065 | M. L, BAVH CO, PITTSBURGH PLATE GLASS COMPANY CHEMICAL DIVISION LAKE CHARLES. LA. ENGINEERING DEPARTMENT SPECIFICATION NO. DES-F799 -IN-1 DATE . PAGE 2 OF i* APPROVED TITLE INSTRUMENTATION INFORMATION AND IDENTIFICATION SYSTEM UPPER P.A.<Tp: LETTERS A C D E F a H i L M 0 P R S T V W FIRST LETTER Process Variable or Actuation Analyser Conductivity Density Extra Floe Hand (Actuated) Interface Level Moisture Pressure Ratio Temperature Weight SECOND LETTER Type Reading or Other Function THIRD LETTER Additional ftmction Alarm Control Alarm Control Element Function Indicating Integrator Operator Recording (Recorder ) Switch Transmitter Valve Well Relay Switch Transmitter Valve ]__BB 0015066 1 PITTSBURGH PLATE GLASS COMPANY CHEMICAL DIVISION LAKE CHARLES, LA. ENGINEERING DEPARTMENT SPECIFICATION NO. DES-P799-TN-1 DATE PAGE 3 OF ^ APPROVED T1TLE XitSTRUMBNTATIOlT INFORMATION AD IDENTIFICATION SYSTEM PICTORIAL SYMBOLS FIELD MOUNTED INSTRUMENTS [X3 ITEM LOCATED IN INSTRUMENT ROOM PANEL CR CUBICLE TWO WAT VALVE BODY THREE WAT VALVE BODY FOUR WAT VALVE BODY SAFETY VALVE RUPTURE SAFETY DISC CR VALVES PNEUMATIC OPERATOR FOR ANY VALVE HYDRAULIC OPERATOR FOR ANY VALVE ELECTRIC OPERATOR TOR ANY VALVE MANUAL ,OPERATOR TOR ANY VALVE ALL ORIFICES INSTRUMENT AIR ETFTNG OR TUBING ^CaTT] INSTRUMENT AIR TUBING WITH LINE NO. IDENTIFICATION INSTRUMENT MULTI TUBE BUNDLE PROCESS PIPING TO INSTRUMENTS J BB 0015067 J PITTSBURGH PLATE GLASS COMPANY CHEMICAL DIVISION LAKE CHARLES, LA. ENGINEERING DEPARTMENT SPECIFICATION NO. 0E3-I799 -BJ-1 DATE PAGE 4 OF Ij. APPROVED TITLE instrumentation infcemation AND IDENTIFI CATION SYSTEM PICTORIAL SYMBOLS THERMOCOUPLE SSMBGL WITH IDENTIFICATION -X---- X---- X---- X- pH ELECTRODE ASSEMBLY CONDUCTIVITY CELL SYMBOL WITH IDENTIFICATION INSTRUMENT CAPILLARY TUBING 2_BB_001S068 | PITTSBURGH PLATE GLASS COMPANY CHEMICAL DIVISION , LAKE CHARLES, LA ENGINEERING DEPARTMENT TITLE SPECIFICATION NO. KTT,-P799-IN-1 DATE PAGE 1 OF > APPROVED The following list should be used for selecting the types of materials to be used. The 11st is not complete but covers most of ".he major items. Deviation from this list will be necessary in some instances, but should be kept to a minimum. ^ajor equipment such ns control valve; , process transmitters, control board mounted instruments, pressure gouges, thermometers, process analvzers, etc., are not covered in tills specification, '"he manufacturer and type or equipment will be specified by the Owner. X. PIP? TMA TIP iUSTRUbUNTAl1 ION: A. Tubing (Copper) Single 1 V o.ij. x .OiO" wall polyethylene covered copper tubing Dnkoron /g>h--hO-V or equal B. 'Tubing (Plastic) Single l/b," O.D. x ,0).i0" wall Oekoron type 11P" or equal 0, Tubing Fittings Brass and Alloy Sragelok D. Plastic multi-tube bundle l/h" Polyethylene tubes, wiJ.h two conductor cable, cushion tape, and polyethylene sheath. Oekron Pnotecto-Pack, type B or equal. E. Tubing Supports 1 - 10 single 1/V' O.D. x .030" wall tubing PW 2" X 2" x 1/P" - AG-2 H.D. Oalv. or equal Pulti-tube bundles P-W Industries ov equal tra.v system, 3" high channel with mesh bottom Use Kindorf P-900, Vi-903, or P-90,7 channel for supports where structural steel is not adequate. | BB 0015069 I PITTSBURGH PLATE GLASS COMPANY CHEMICAL DIVISION LAKE CHARLES. LA. ENGINEERING DEPARTMENT TITLE INSTRUMENT SPECIFICATIONSi MATERIAL SPECIFICATION NO. MEL-F 799-IH-l DATE PAGE 2 OF 5 APPROVED I. PNEUMATIC INSTRUMENTATION; (Cont'd.) F. Junction Boxes Heavy duty #14 gauge hot dipped galvanized steel hox with gasket on cover- Front cover dog-clamped. Ho hinges. HEM/- 4 enclosure. Hoffman or equal G. Three Valve Instrument Manifold Anderson Greenwood Company M8S or equal H. Solenoid Valves ASCO or equal II. ELECTRICAL INSTRUMENTATION: A. Conduit, conduit fittings, and wire are covered In electrical specification. B. Thermocouple Wire - Elements and Extension Leads This specification covers the use, size and type of nil thermo couple wire used in extension lead service or for the actual thermocouple. 1. Thermocuple Wire Specifications For temperatures of minus yX)F to plus 50F, Co iper-Constantan (t) couples of 16 gauge wire should he used. The wire must he equal to Leeds and Horthrup Part Ho. 16-1-2 (Copper), 16-1-1 (Constantan). Double bore ceramic Insulator shall he used on these couples. Material to be of premium grade and purchased as matched wire. For temperatures of 0F to plus 600F, Iron-Conetantan (j) couple of 16 gauge wire will give the hast response, The thermocouple shall be made of Thermo-Electric type G/G (fiber glass-fiber glass wire) wire or equal. For temperatures of plus 4003F to plus 1400F, Iron Constantan (j) couple of 14 gauge wire should be used. The wire must equal to Leeds and Northrup Bart No. 14-1-4 (iron), 14-1-10 (Constantan) or equal. Double bore ceramic insulators shall be ueed on these couples. At times It may be necessary to use other base roatal couples or noble metal couples to meet special requirements, at which times Engineering should be consulted for recommendations. J* \ BB 0015070 | PITTSBURGH PLATE GLASS COMPANY CHEMICAL. DIVISION LAKE CHARLES. LA. ENGINEERING DEPARTMENT TITLE INSTRUMENT SPECIFICATIONS: MATERIAL SPECIFICATION MO.rTTJP799 -1 N-l DATE PAGE ^ OF APPROVED II. ELECTRICAL TNSTR1RIEMTATTON: (Cont'd.) 2. Extension Wire Specifications To secure the advantages of automatic reference junction compen sation, the extension wires connecting couples to instruments must be of the same materials as the couples, or o' materials having essentially the same te nperature-EMF relnti ->nship. Several different types of insolation materials ar3 available, but the following specified material should cover nil present application;!. If snecial insulation is required c >nsult Engineering. a. Two Conductor Two conductor extension wi-e shall be twisted '.onductors, Oekoron tvpe MX or equal. Engineering will specify type of extension wire required if electrostatic an 1 electro magnetic noise rejection is required. Wire Size n 10 Oa. n Y Oa. COPPER COMSTAfJTAK EXTENSION LEAD WIRE Insulation Tump. Limits KU LtN Polyvinyl over Polyvinyl 200 F. Max. 1W2PR NA Weatherproof braid over heat resistant rubber 1' < F. Max. NA Dekoron MX Wire Si.7.0 !H 10 oa. ife Y Oa. A'3 Y la. l\i if- Oa. TUON-enwSTANTAN EXTENSION LEAD WIRE Insulation Temp. Limits MH TM-N Dekoron \F3 **> O O r=I & ;< Polyvinyl over Polyvinyl 3V2PU NA MX Weatherproof braid over Polyvinyl Weatherproof braid over heat resistant rubber Asbestos ovs*' enameled wire 220 F. Max. 3W2A1U 16-51-7 IT1 F. Max. NA 16-51-1 !1 n. Max. * 3W2PL Y-<l-2 HMX l i i 1I ! I __ _____ sri |~BB O0"t5O7"1 PITTSBURGH PLATE GLASS COMPANY CHEMICAL DIVISION LAKE CHARLES. LA. ENGINEERING DEPARTMENT TITLE JNSTOIT? SPECIFICATIONS: MATERIAL ( SPECIFICATION N X MTL-P799-IT-1 DATE PAGE h OF C APPROVED II. ELEC TR-ICAL F-T--S--T-R--U--M- E1NTA1 TIO--N1 t (Cont'd.) Wire Size W1 IP Ca. m. 16 O. #3 16 fla. Hk 16 Ga C!IROM CL-ALTJKFL SXTSNSJ'P LEA D WIRE Insulation Polyvinyl over polwinyl Temr. Limit P20c' N. MH Tf N 3WPP1U NA Celeron MX Weatherproof braid over Folyvinyl 2?0 F. NA V-$9~10 * Weatherproof braid over heat resistant rubber 175 F. NA li Asbestos over enameled wire J|00 F. overall 16-5P-2 t ! i b. Nulti-Conductor Extension Wire Cable Pulti-conductor extension wire cable should be )ekoron type K or equal. Conductors should be 18 gauge with each pair twisted. Engineering will specify tyoc of multi-conductor extension wire cable required if rejection of extraneous noise is reauired, 0. pTT bead "fire Beckman iVLlJiOJt or as specified by vendor i). Electronic Go-tlrol '-vstein Puli, i-Conductor Cable ('konite do, or 'ekoran tree JEK 16 Co., 7 stranded copper, .0?0" Okolone, .010 ``koseal iftOQ, solid color coded, twisted pairs, cabled, nylen tape, .OdO" Okoseal jacket, 600 V. Engineering will specify t> pe of cable required if electro static and electromagnetic noise rejection is required. E. Electronic Control System Two Conductor Cable 2 conductor twisted pair, shielded, ;ML6 gauge. ,;el den Wfl'jP.o or Dekoran Lyre iCjY/C, 7_BB OQ15072 Ti PITTSBURGH PLATE GLASS COMPANY CHEMICAL DIVISION LAKE CHARLES, LA ENGINEERING DEPARTMENT TITLE INSTRUMENT SPECIFICATIONS; MATERIAL SPECIFICATION NO. MTL-P799-IN-1 DATE PAGE 5 OF 5 APPROVED II. EIECTRICAL INSTRUMENTATION: (Coat'd.) F. Thermocouple multi-conductor extension cable and electronic control cable trays. P-W Industries or equal tray system, 3" high channel sides, mesh bottom. G. Alarm & Instrumentation Electrical Control Wiring All wiring from field devices to alarm panels shall be $16 gauge wire. A yellow wire shall be used for the common on alarm systems. Generally #14 gauge wire shall be used for control circuits; however, wire size shall depend upon the electrical load for conductors. 1 BB 0015073 J PITTSBURGH PLATE GLASS COMPANY CHEMICAL DIVISION LAKE CHARLES. LA. ENGINEERING DEPARTMENT TITLE PKPTTKA"10 T^STRI^WTS - Al SPECIFICATION NO. DES-F799-IN-R DATE 7 h /$$ PAGE i OF APPROVED InpATTIFICATION GENERAL; Pneumatic instrument air lines of instruments (field and Control Board) are to be identified and numbered as described in the following oaragraph. ni^TTFJCA I'P W: Central Tdenl.ificabioti bine PA (Transmitted Air) '"A (Controlled Mr) BP (l'et Point) P (Peed Rack) CO (out-Off Relay) TA-1 CA-1 iP-l F-l CO-1 I BB 0015074 | PITTSBURGH PLATE GLASS COMPANY CHEMICAL DIVISION LAKE CHARLES, LA. ENGINEERING DEPARTMENT SPECIFICATION NO. DES-M799-IM-A DATE PAGE ` , OF APPROVED TITLE GENERAL INSTALLATION PRACTICES - THERMOCOUPLES AND THtP" iOCOUPLE EXTENSION LEAD WTRE AMD dH EXTENSION I DA D './TDK 1. Extension leads must be one continuous length from thermocouple to control room. This applies only if two conductor extension wire is used, 2. All bends in thermocouple conduit should be long radius lends. Conduit fittings should not be used except fcr pull point 1 ocaticns. 3. Mo other electrical wires should be run in the same conduit. ir. Conduit containing extension lead wire should not bo run oarallel to Ji80 volt or higher feeders. Consult Engineering. g' * The conduit, should not be f'illod in excess of fort'r-five ler cent OiT). h. Tr thermocouple leads are reouired to pass in or through ). dense electrical field each thermocouple mu.>t be run with shiel led wire and the shield properlv grounded at device end. 1 Thermocouples shall not be made ''rom extension lead wire. 8. Thermocouple leads as well as extension leads should be c; refully cleaned before fastening to the connection block, 9. Thermocouple polarity must be strictl; observed. 10. pH lead wire and conduit shall confor11' to the specif icatic ns as given for thermocouples and thermocouple extension lead wire. 11. pH conduit and pH electrodes shall be designated ;n the same manner using "pH" as the identifving symbol. 12. Conductivity conduit and conductivity cells shall be designated in the same manner using "p" as the identifying symbol. 13. A junction box shall be provided at each end of a multicor. lu.'tor extension wire cable for termination o" two conductor extension wires in the process area and in the control room. U. Multiconductor extension wire cable should generally be run in an instrument tray and fastened to bottom of instrument tray with plastic straps. K. 'o mechanical type lug shall be used to terminate thermocouple lead wire. * ii-'/` Mechenienl l.vpe lugs shrill be used to terminate all control wiring and electronic wiring. i i ; i i 1 ! f | I BB 0015075 1 PITTSBURGH PLATE GLASS COMPANY CHEMICAL DIVISION LAKE CHARLES. LA. ENGINEERING DEPARTMENT TITLE IktP'HAl miTPJbiENT PIPING SPEClFICATIf NS SPECIFICATION HO. HES-P 799-lk-!; DATE PAGE 1 OF 2 APPROVED This specification includes special items regarding methods aid materials which are not included in other specifications. It is the inteAtion to use these soocifications in design and engineering as well as in purchasing of materials. 1. Instrument pic in: which is used to measure flow and pressure, should he sloped a minimum of 1" per foot of horizontal run. The connections should he without summits or depressions. I'herever practical, nipe bends should be used in preference to elbows. 2, The wiping must he laid out so that ur duo stresses are no: exerted on the meter bod'- andshould be firmlv si pported to prevent sagging, a. Th<= pi/'iri:, between tlie orifice and th:. first plugged tee should be as straight as possible to oermit cleanu g witH a rod. rhi m ir.imu ! pipe size should be 1/2". 'her. instruments hr vo connections smaller than 1/2", the 1 inns should b; reduce 1 in size ah the instrument or its adjosent manifold, 1. M"l vb i | c'nTiec.t. i.onr. 'v n.anol mounted equipment should b avoided idiom possible. vnstr' -ont air supply for field mounted instruments shoule be 1/2" cine no to air ''liter, ''rom filter and air reducing valves, ^"1 piping should be brass pipe or conoer tubing, vinyl plastic covered where practical, unless otherwise soecified. 7. all take, off connections minimum 1/2,! pipe. G. HI. field instrument air taka off values should come from the side or top of the header and should conform wo valve specificatime. '}. dingle tubing runs should be supported every V". Kultitube bundles less than seven tubes h-1/2 feet*, more ttfln seven tubus f feet. l'l, `"'nl t i1 ube b,indies shoi'V1 ter-.ii na he in a ho!, dinned 'ulvn' zed 31 eel fner?.fen 1 ox in the process area, Mb l.ifnbc bun lies entrv noe into junction box#*.; .and control rooms should ho iPde ::.ith a galvanized steel termin''! fitting with a neoprene bur! tv, ( rescent I'ff dories or equal; 11 11. dind,' l/Y' o.i.l. k .'HO wall polyethylene covered co-ver ; vU 'r,g, Orescent tat. OTij or equal, slrll he run from tubing junction bor.es to field located instruments. 1/V' Conner tuVng to enter tubing vunction boxes bv moans of a tubing bulkhead fitting. All copper tubing fittings are to bo wrapped with Scotch No. 33 electrical tape. 1/V' tubing llr.es should bo supported by 2 ' x 211 x 1/8" Ftf AG- l ' nr equal. j BB 0015076 | PITTSBURGH PLATE GLASS COMPANY CHEMICAL DIVISION LAKE CHARLES. LA. ENGINEERING DEPARTMENT TITLE OT'.p.M. TNST.T'KSMT ITIIUG S^TFICATT SPECIFICATION NO. ^^*799-I*1-11 DATE PAGE 2 OF 2 APPROVED 12. tach tube in a multitube bundle should be identified bv means of a metal tag placed in tub In*-; junction booes. 13. Three valve manifolds should be used oi differential press ire flow transmitters, unless otherwise specified, ho three valve lanifold oho 11 be used on chlorine and hydrochloric acid streams. ine specifications valves shall be used for shut-off valves an i equalising valves. l!j "icing from three valve manifolds to deferential pressure flow transmitters should be 3V' S3 tubing, unless otherwise specified. Consult line specifications also for materials, Jn some a"eas this tubing Tuust he wrapped with r-133 scotch tape. Cons-It engineering. 1?. Instrument trays should bo supported as per manufacturer's recommenda tions. 16. In areas of high corrosion 316 SS tubir^g should be wrapped with #33 scotch tape. | Bb"0015077~T GENERAL SPECIFICATIONS COVERING PRESSURE GAUGES GENE1R--AL The specification* given herein apply to general purpose line mounted gauges other than panel mounted or special purpose gauges and are usually applied directly to processing vessels or piping either out of doors or inside plant buildings* The gauges covered are limited to the pressure range 1,000 PSI maximum and 15 PSI minimum* and a maximum temperature of 250 F. All gauges for panel mounting or special services not covered by these speci fications shall be approved and/or specified by the Engineering Department. The scale range of all general purpose gauges shall be selected to give approximate midscale operation under normal pressure conditions* If con ditions of variable pressure exist* the scale range shall be selected to en able a minimum pressure indication not less than 20$ and a maximum pressure indication not exceeding 80$ of full a calc range* Gauges shall be protected against known conditions of momentary pressure shock or rapidly pulsating pressures* Under these conditions* pressure snubbers shall be used* and the scale range shall be selected in compliance with the above minimum and maximum limitations* The pressure element shall be protected against conditions of direct exposure to corrosive fluids or temperatures above the specified maximum* Under con ditions of corrosive fluids* diaphragm prctectors shall be used* Traps or a called "pigtails" or the equivalent shall be used to isolate the gauge element from direct exposure to high temperature fluids. Mountings shall be vertical* and the gauges shall not be mounted directly onto a pipeline or structural member possessed of vibration. Under conditions f vibration in the pipe line or structural member* the gauge shall be mounted at a vibration free location and connected with flexible piping or suitable solid swing joint piping to isolate it from the disturbance. Take-off connections at the piping header shall bet 1/2" N*P*T. for general purpose gauges 1" N.P.T* for chemical diaphragm gauges In all cases* a shutoff valve shall be installed at the point of take-off* and all fittings shall comply with the plpLng specifications* Except under special conditions* all pressure take-off points shall be on top or side of piping headers* Pressure take-off connections on intermediate holding tanks and storage vessels shall be 1" NFT female thread unless otherwise specified. Nozzles on reactors* processing vessels* and distillation columns shall be minimum schedule 80* 1-1/2" flanged, with reducing flange threaded per gauge requirements* ] BB 0015078 1 PITTSBURGH PLATE GLASS COMPANY CHEMICAL DIVISION LAKE CHARLES. LA. ENGINEERING DEPARTMENT IM 'ftI-Mil SPECIFICATION NO. CC3-T799-IN-' DATE PAGE 2 OF 5 APPROVED GENERAL SPECIFICATIONS COVERING PRESSURE GAUGES GENERAL (contd*) Pressure gauges with special features such as alarm contactSj internal illumi nation* differential linkage* suppressed ranges* etc** shall not be used except on special consideration* a Recommended vendors are: Manning, Maxwell* & Moore U* S. Gauge | BB 0015G79 | PITTSBURGH PLATE GLASS COMPANY CHEMICAL DIVISION LAKE CHARLES, LA. ENGINEERING DEPARTMENT SPECIFICATION NO.DES-P799-IN-? DATE PAGE 3 OF5 APPROVED TITLE GENERAL SPECIFICATIONS COVERING PRESSURE GAUGES GAUGE SPECIFICATIONS Unless otherwise specified, all gauges shall have the following connon specifications pertaining to dial, case, and movement* A. DIALS b-l/2" circular, metallic, or plastic scale with hlack numbers on a . white background, with the scale numerals being whole number multiples of unity or ten. The pointer shall rotate about a fixed renter concentric and cover a minimum arc of 270 between minimum and maximum limits* The pointer shall have a micrometer adjustment* B. CASE Black finished phenol, turret type construction with snap ring and dear glass* Threaded dial cover rings of phenol construction with special glass retaining rings shall be acceptable but not preferred* C. MOVEMENT Geared, with hardened stainless steel pinion and stainless steel bearings* Nylon, hard rubber, or any other conposition material shall not be used. The movement shall be provided with adjustable linkage and connecting link to enable zero and range span adjustment* D. RANGES The standard scale range of all gauges shall be as follows: Range No* 1 Range No. 2 *.............. Range No* 3 .................. Range No* k .................. Range No* 5 .............. Range No* 6 .................. Range No* 7 <* Range No* 8 <*. Range No* 9f.............. .... Range No* 10............ Range No* 11 ................ Range No* 12 .*..** Range No. 13 *... E. BOURDON TUBE Shall be 316 stainless steel with socket of S.A*E* 1019 alboy steel or equal, tip - S.A.E. 1020 alloy steel or equal. All joints shall be welded and stress relieved* Pipe connections shall be l/2Jf N.P.T. bottom connection for all gauges with pressure range 0 -1000 PSIG I BB 0015030 Ji PITTSBURGH PLATE GLASS COMPANY CHEMICAL DIVISION LAKE CHARLES, LA. ENGINEERING DEPARTMENT SPECIFICATION NO.I1ES-P799-IN-1? DATE PAGE lj OF 5 APPROVED T,TLE GENERAL SPEC! FT CATIONS COVERING PRESSURE GAUGES 1 OAUQB 3FECIFX CATIONS (oontd.) F. PANEL MOUNTED QAUQES (FLUSH) These gauges shall meet the same specification as outlined for general line mounted gauges except case to be cast iron construction, 6" dial size, l/kn N.P.T, back connected* The ring shall be held tightly at the top by a hinge pin and at the bottom by a damp screw* 0. SPECIAL PURPOSE QAUQES All small utility gauges such as used on instrument air supply and control air output shall be 2-1/2" size, stainless steel case, 1/L" bottom or back connected with bronze bourdon tube* H. RECEIVING TYPE GAUGES These gauges shall meet the same specification as outlined for the general line mounted or panel (flush) mounted gauge -- whichever applies* 1. CHEMICAL gauges Gauges that are used with diaphragm protectors and are of ^he fluid filled type are called chemical gauges* The gauges shall meet the same specifi cations as the general line mounted type with the following additions. 1* A suitable bleeder shall be provided to enable pressure filling of the bourdon tube with a sealing fluid. This shall be an internal stainless steel capillary which extends completely to the tip of the tube and terminates outside the case on the back or side in a stainless steel pressure tight fitting. 2* The tube filling fluid shall bet Dow Corning DC-703, 300 F* -- 7^0 F. or equal Dew Corning DC-200, -30 F. - 300 F. or equal or Manning, Maxwell, A Moore S-280, -30 F. - joo F. Manning, Maxwell, A Moore S-278, 300 F. - ''7$ F* I Bb" 00 1508*i~7 m. Mtn bi PITTSBURGH PLATE GLASS COMPANY CHEMICAL DIVISION LAKE CHARLES, LA. ENGINEERING DEPARTMENT -1- SPECIFICATION NO.DES-P799 -IK-$ DATE PAGE $ OF 5 APPROVED TITLE GENERAL SPECIFICATIONS COVERING PRESSURE GAUGES J. THE CHEMICAL PROTECTCR Unless otherwise specified, the upper housing shell always be carbon steel with the diaphragm and the bottom part to be of material specified to meet the application. The protector shall be of the non-deano it type such as Manning, Maxwell, & Moore #126? or equal. The gauge connection shall b 1/if" N.P.T., and the piping connection to the bottom part shall be 1". The top part shall be provided with a l/8" N.P.T. bleeder icrew and sealing ball. Standard diaphragm materials shall bei 1* Tantalum 2. Monel 3* Pure Nickel U* Stainless Steel (316 - 3U7) Standard bottom material for gauge protectors shall be> 1. Monel 2. Nickel 3* Stainless Steel ( 316 - 3U7) K. QAUQE SNUBBERS Gauge snubbers shall be used on all gauges subject to pressure fluctuations or repetitive pulsations* These snubbers shall be* 1. Sintered metal type (all stainless steel) as catalogued by Helicoid Gauge Company Catalogue S-6, or Ashcroft type 1112S supplied by Manning, Maxwell, & Moore* 2* Piston type such as manufactured by Ray Snubber Company. Snubbers shall not be used in direct contact with a process fluid which is corrosive or contaminated with impurities which will plug nhe pores. In . such cases, gauges with chemical protectors and snubbers siiall apply. L. COIL PIPE SIPHONS (PIGTAILS) Siphons or the equivalent seal pot or trap shall be used on all gauges in steam service. The siphon shall be uninsulated to enable free radiation of heat and condensation of steam within the loop. Installations subject to freezing shall utilize a seal pot and the gauge line fI2led with dibutyl phthalate or equal anti-freeze compound. 001508 2 I PITTSBURGH PLATE GLASS COMPANY CHEMICAL DIVISION LAKE CHARLES. LA. ENGINEERING DEPARTMENT SPECIFICATION NO. DKJ-P799 -IN-6 DATE PAGE 1 OF 3. APPROVED TITLE mSTRHMW SPECIFICATIONS FOR 0PI7JCE PLAT'S AN0 KF.fEP. FUIC INSTALLATION:: I. When metering compressible fluids, tie meter range (in ir ;hes of water; should not exceed the absolute upstream static pressure (in PSIA). ?. The orifice and metering section of piping shall be sized to give an orifice diameter ratio of 0.? to 0.6. Consult Engineering Department for special adaptations. In no case shall the orifice ratio ?& outside the limits of O.3-O.7F. 3. The orifice generally shall he sized to give a meter scale reading of at normal maximum production rating. U. When metering gases under low pressure, the pressure differential should be kept low to minimize permanent pressure loss and to reduce the sensitivity of the meter to the gas expansion factor Y. e>. Material for the thin plate orifice shall be 116 or 10U S.C. as standard. Consult Engineering for special adaptations. /'. Orifice run:- shall have a minimum of 20 pipe diameters upstream and 10 pipe diameters downstream of straight run pipe. >3. Orifice taps on orifice flanges .should be located horizontally. 9. All throttling control valves shall he located downs treat! side of orifice plate. I BB*"oO*15083~7 i PITTSBURGH PLATE GLASS COMPANY CHEMICAL DIVISION LAKE CHARLES, LA. ENGINEERING DEPARTMENT SPECIFICATION NO.DES-P-799-TN-7 DATE PAGE 1 OF X APPROVED T,TLE TYPICAL AltA SUPPLY WOOK-UP TO 1 hi M AT E RIAL 1 TEV y2''&CH.50SrEE.L PIPE. QT T _ '/2'V-t40 BALL VALVE 1 [/zx`A"C0ttC. swage (tbe) J AIR FILTER REGULATOR. ~ 1 ' 2 h"4 DIAL, 0-3C* PRESS.GAGE 1 '/4" NPTX >M" TBG MALL 1i TUBING CONNECTOR *i '/4"PE COVERED CD.TUBING " )i EXIST. INSTRUMENT-^ 1i i > i h'*/4 COWC. SWAGE (T&tJ) '/t"sC.U.&0 PIPE' It M-140 VALVE AIR HLTE.R-REGULATOR. WITH '/" DlA. 0-3O11, P^LS5Uli,E GAaGE `M" PE COVERED Ctl, TUE.IUG (MIN. LENGTH) i BB 0015084 | Pittsburgh plate glass company CHEA'iCAL 'DIVISION LAXt CHARLES. LA. cRGINEESIRG DEPARTiV.ERT SPSCiP.'CAAO.R HO. BBS -P799-EN-8 DATE lO/i.l/65 PACE 1 OF I APPROVED I DM', i. Ak'P-. , I t;tl flow transmitter instal. - liquid I OfX & AS 7 MAMIFOLD^ TUBE HQO^-.jP ; _- 2 STL, W&LP CAP-s. i MATERIAL fir (: 2"$CH 4Q.PtPS-*J% -wvr TEM /rZtf'PV Tp A MSW / r TS/2. orr iji ,w r re* a 54 D>A wcj It .Li i |--37----V--A---l--\-)-Z-----m----a--n---i-f--o----l--d-j g y 2' 3/G 5^7/V -Sta a//p/W /> ) 3/C> STAi'X STL. 7l'&/AJC; LV | iVrLi '^<5 /W/^' detail a fuL^^orlU) |;rL, j TUBS CQVAj?cro& D ETA I L,B_ | ^'V/pt/LV^ a/alz [ TUSS CQWBCTCJZ _ T v lOjc ff r !!l :fk__ \= y i s r. , s r a m // tEf =A LA' 2" SC// AVPr W; vp/r// A/CLQ cap pTi iV . j z sen <tc sr*- n/ne-. j 2ir~scH~4a T/7lcT'cap 4 fP/P. 5/2 J A'jZ rzu j CZlAZL/A <5 SAZPi. z i| DETAILS petailV / P-re 'o. r-i .iA*.s) 11 >tA p/y ,,o.~ /i,5 $P ^ a l^ r /O' 4 .1* Y*m Al aP i) I BB 0015085*7 J1 .0^ _ivl..O_T _5...,, {$' } fbP &AS SSPV/C.S 7^A/US>y>TrS^ MUST' B 0? * MOUS>t.5 ASovS A/PS Og/PJCO, APO 8 CL Cp POP. 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CAP AJOT C/SPO SfC/U/SF PP FOPPOSSOsP; r//p/y / //ys SPFC W/LL DfrFA///yp f//&SQi'/F L L //P/P/PP ^_J PITTSBURGH ?LAVZ GLASS CO Y.PANY S.^CI.-'.CATiOW WO. EES-P-799 -LM-17 o:oj:c;l civL:o>i uxs o:.u -Li. LL 0.VT i _.l JLL L l OJi / r^C'VIH>- |i x a' /. A A J U M C4 4*te _ 1 IO-- M BOX - t lBCTRICAL .1 I Bfi 00 15092 J PITTSBURGH PLATE GLASS COMPANY CKEA'ICAL DIVISiC.'i L'.AE CI-IADLES. LA SnCi.NEERiMG DSPAR7.ME;;T Si?c;.-:cat;o.\' no. >223S-H799 L\'-lS i D.ATE 10/2l/o^V.GE / 0? / J APPROVED 10rM; /i.uPu.fiCL' VTi JUMCTl QNi BOX - P NJ EUMATIC A!0T5 : K B/ZB OF BOX TO B/T BFTOB/X//JFB BY =* 4 BOX/ T/O/z OB F/TT/OO St 2.XLL TC/BBS TO LQOG BO 007/ TO 7ZXXCB F/20M/ F/TT//J6) TO F/JY FT. FT OF BOX. 3.FOS/T/OA/ OF F/TT/OGS /// BOX OBT.7FM/A/SD BY OOCF T/O/J ^ 7XOOOT/BG OF BOX. I BB 0015093 | *3*