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Technical SpecificationsRev. D - 08/2020Consolidated1541/1543 Series Safety ValveDesigned for steam and othercompressible fluids, these valves aremost commonly used in pharmaceutical,dyeing and process plants.Baker Hughes Data Classification : Public
Table of ContentsConversion Table.Table3Scope of Design.Design4Materials. 5MaterialsMaterials . 6Dimensions and Weights.7WeightsOrifice Capacities.8-11CapacitiesValve Configuration Code.Code .12Ordering a 1541 / 1543 Safety Valve.Valve .132 Baker Hughes 2020 Baker Hughes Company. All rights reserved.
Baker Hughes provides a full range of Consolidated pressure safetyvalve styles, sizes, options and configurations for multiple industries,applications, environments, and media. From spring-actuated topilot-operated, each pressure safety valve is configured to offersafer process flow control in harsh environments.Conversion TableAll the USCS values are converted tometric values using the following conversion factors:USCS UnitConversion FactorMetric rpsig0.06894757bargft lb1.3558181Nm F5/9 ( F-32) C 2020 Baker Hughes Company. All rights reserved.Consolidated 1541/1543 Series Safety Valves Technical Specifications 3
Scope of Design1541 Standard Inlet and Outlet ConnectionsDischargeAreaInlet SizeMale 5.065J1.2878.303Orifice1543 Standard Inlet and Outlet ConnectionsOutlet SizeFemale NPTDischargeAreaInlet SizeMale 50.82.563.5OrificeOutlet SizeFemale NPTPressure/Temperature LimitsTemperature RangeValve TypeMediaOrificemin.Maximum Set Pressuremax. F C F Cpsigbarg1541 / 1543SteamAll-20-28.9406207.825017.241541 / 1543AirAll-20-28.9406207.830020.681541-3 / 1543-31SteamD-20-28.9420215.635024.131541-3 / 1543-3SteamE-J-20-28.9420215.630020.681541-3 / 1543-3AirAll-20-28.9420215.635024.131. Baker Hughes current National Board Certification limits the 1541-3/1543-3 to 300 psig (20.68 barg) for code-stamped applications.SpecificationsInlet Sizes:0.5” (12.7 mm) through2.5” (63.5 mm) threadedOutlet Sizes:0.75” (19.1 mm) through2.5” (63.5 mm) threadedOrifice Sizes:Six sizes: D through JPressure Range:5 psig (0.34 barg) to 350 psig (24.13 barg)Temperature Range:-20 F (-28.9 C) to 420 F (215.6 C)Materials:Cast iron bonnet with brass base and trim is standard.Available with bronze bonnet. Stainless steel base anddisc are also optional.Certification:ASME B&PVC Section I and VIIIBlowdown:4 percentBack Pressure Limit:10 percent of Set Pressure4 Baker Hughes 2020 Baker Hughes Company. All rights reserved.
Materials1541/1543 Metal Seat Valve9Parts and Materials1416121117PartNo.1Base2BonnetASTM A126 Class B Iron10OptionalASTM B584 Alloy LeadedSemi-Red Brass3Disc4Lower Adjusting Ring587515134ASTM B124 Alloy Half Hard BrassD, E and J OrificesASME SB283 C37700 Copper AlloyF, G and H OrificesASTM B124 C37700 Copper AlloyUpper Adjusting RingD, E, F and G OrificesASME SB283 C37700 Copper AlloyH and J OrificesASTM B124 C37700 Copper Alloy6Spindle(D and E Orifice)6Spindle Assembly (F and J Orifice)6ASTM A108 1213 Carbon SteelSpindle CollarASTM A276 410 Cond. T St. St.SpindleASTM A108 1213 Carbon SteelSpindle Assembly (G and H Orifice)Spindle CollarASTM A582 416 Cond. T St. St.SpindleASTM A108 1213 Carbon Steel7Spring WasherASTM A108 1213 Carbon Steel8SpringAlloy Steel9CapBrass/Commercial Grade Brass10Compression ScrewASTM B16 Half Hard Brass11Cap ScrewCarbon Steel, Zinc Plated12Lever13 2020 Baker Hughes Company. All rights reserved.ASTM B283 Alloy C46400Naval BrassStandard215Material1376Part NameD, E, F, H and J OrificeASTM B36 Alloy 220 BrassG OrificeASTM B36 Alloy 230 BrassCompression Screw NutD, E, G, H and J OrificeASTM A108 1213 Carbon SteelF OrificeCarbon Steel, Cadmium Plated14Lifting Washer NutCommercial Grade Carbon Steel15Adjusting Ring PinASTM B16 Half Hard Brass16Lifting WasherSAE 1010 Zinc Plated Carbon Steel17Lever PinBrass/Commercial Grade BrassConsolidated 1541/1543 Series Safety Valves Technical Specifications 5
MaterialsOptional MaterialsStainless Steel Trim (1541-3 and 1543-3)Part No.12345Part NameBase1541 D, H Orifice & 1543 D, E, F OrificeASME SA479 316/316L Stainless Steel1541E, F and G Orifice, 1543G OrificeASME SA479 304 Stainless Steel1543H and J OrificeASME SA351 CF8M Stainless Steel1541J OrificeASME SA351 CF8 Stainless SteelBonnetStandardASTM A126 Class B IronOptionalASTM B584 Alloy Leaded Semi-Red BrassDiscD and G OrificesASME SA479 316/316L Stainless SteelE, F, H and J OrificesASME SA479 304 Stainless SteelLower Adjusting RingD, E and J OrificesASME SB283 Copper AlloyF, G and H OrificesASTM B124 Copper AlloyUpper Adjusting RingD, E, F and G OrificesASME SB283 Copper AlloyH and J OrificesASTM B124 Copper Alloy6Spindle (D and E Orifice)6Spindle Assembly (F and J Orifice)6MaterialASTM A108 1213 Carbon SteelSpindle CollarASTM A276 410 Cond. T Stainless SteelSpindleASTM A108 1213 Carbon SteelSpindle Assembly (G and H Orifice)Spindle CollarASTM A582 416 Cond. T Stainless SteelSpindleASTM A108 1213 Carbon Steel7Spring WasherASTM A108 1213 Carbon Steel8SpringAlloy Steel9CapBrass/Commercial Grade Brass10Compression ScrewASTM B16 Half Hard Brass11Cap ScrewCarbon Steel, Zinc Plated12Lever13D, E, F, H and J OrificeASTM B36 Alloy 220 BrassG OrificeASTM B36 Alloy 230 BrassCompression Screw NutD, E, G, H and J OrificeASTM A108 1213 Carbon SteelF OrificeCarbon Steel, Cadmium Plated14Lifting Washer NutCommercial Grade Carbon Steel15Adjusting Ring PinASTM B16 Half Hard Brass16Lifting WasherSAE 1010 Zinc Plated Carbon Steel17Lever Pin6 Baker HughesBrass/Commercial Grade Brass 2020 Baker Hughes Company. All rights reserved.
Dimensions and Weights1541/1543 DimensionsCAUTIONADo not plug drain holes. The discharged fluid mayescape to the atmosphere through the bonnet ventand drain connections, therefore toxic or hazardousapplications must be avoided.BDCGeneral Dimensions for 1541 Safety ValveInlet SizeValveTypeABCDismantlingHeightDApproximateDrain eral Dimensions for 1543 Safety ValveInlet in �� (6.3 mm) diameter drain hole located 60 to the left when facing outlet.2. .25” (6.3 mm) diameter drain hole located 90 to the left when facing outlet.3. .25” (6.3 mm) diameter drain hole located 105 to the left when facing outlet.4. .25” (6.3 mm) diameter drain hole located 110 to the left when facing outlet. 2020 Baker Hughes Company. All rights reserved.Consolidated 1541/1543 Series Safety Valves Technical Specifications 7
Orifice CapacitiesASME B&PV Code Section I, for Saturated SteamBased at 3% overpressure or 2 psig(0.14 barg), whichever is greater,showing 90% actual capacity.OrificeDesignationOrifice 60193.05196.50199.94203.39206.848 Baker 088544Set 0275280285290295300GOrifice 9677668937010712872457362 2020 Baker Hughes Company. All rights reserved.
Orifice CapacitiesASME, B&PVC Code Section VIII, rating for Saturated SteamBased at 10% overpressure or 3 psig (0.21 barg), whichever is greater,showing 90% of actual capacity.OrificeDesignationOrifice 6
Spindle Collar ASTM A582 416 Cond. T St. St. Spindle ASTM A108 1213 Carbon Steel 7 Spring Washer ASTM A108 1213 Carbon Steel 8 Spring Alloy Steel 9 Cap Brass/Commercial Grade Brass 10 Compression Screw ASTM B16 Half Hard Brass 11 Cap Screw Carbon Steel, Zinc Plated 12 Lever D, E, F, H and J Orifice ASTM B36 Alloy 220 Brass G Orifice ASTM B36 Alloy 230 Brass 13 Compression
