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Home API Stainless Steel/Forged Steel A182 F304 Check Valve
Publish Time: 2021-06-03
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This week we are glad to export an order about forged steel F304 lift check valve to Mexico for Oil pipeline. 

Generally speaking, check valve has many different types, such as swing type, lift type, y type, etc. But in forged steel, lift type is mostly used in oil industry. Check valve as one way type, can not control by handle, it operates automatically by spring in it.

For forged steel check valve, we could produce in NPT, BSPP, BSPT threaded ends, or could customize according to client's requirements.  And we have many materials are available here, such as F304/F316/F304L/F316L, A105, F11, F55, F51, F91, LF2, F321, etc. Pressure from 150LB to 2500LB in threaded/welded/flanged ends. 

Thanks for customers' trust and support, we will keeping improving always.


stainless steel F304 check valve

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Size Range： 2 to 56 inch (DN50 to DN1400) Pressure Class： ASME Class 150 to 2500 / PN20 to PN420 Body Material： WCB, LCB, CF8, CF8M, CF3M, duplex, alloy steel Ball： Stainless with hard chrome, ENP, Stellite or tungsten carbide overlay Seat： PTFE, RPTFE, PPL, or metal Stellite faced Seat Arrangement： SPE, DPE (DIB-1), or combination (DIB-2) Packing： Live loaded graphite, ISO 15848-1 qualified Fire Test： API 607, also API 6FA and ISO 10497 Fugitive Emission： ISO 15848-1 class B or A, with temperature and cycle class stated Face to Face： ASME B16.10 short or long pattern End Connection： Flanged RF / RTJ to B16.5 and B16.47, butt weld to B16.25 Features： Double block and bleed, sealant injection, anti-static, anti-blowout stem Design Standard： API 6D, API 608, ASME B16.34, ISO 14313 Operation： Lever, gear, pneumatic, electric, hydraulic, gas over oil Sour Service： NACE MR0175 available
Nominal Size： 1-1/2 inch / DN40 Pressure Rating： 1000 WOG (68.9 bar cold working, non-shock) Body Type： Three piece, bolted end caps, four body bolts Body Material： ASTM A351 CF8 (304), CF8M (316) optional Ball： CF8, polished Ra 0.4 µm, full or reduced bore Seat： PTFE, RPTFE, PPL, or Stellite faced metal Body Gasket： PTFE to 180°C, graphite above Packing： PTFE V-ring to 200°C, graphite above End Connection： NPT, BSP, socket weld B16.11, butt weld B16.25, flanged RF Actuator Mounting： ISO 5211 F05 / F07 pad Air Supply： 0.4 to 0.7 MPa clean dry air Service Temperature： -29°C to +260°C, seat dependent Design Reference： MSS SP-110 general purpose, ASME B16.34 body wall Test Standard： API 598, ISO 5208
Nominal Size： 3/4 x 1/2 inch (DN20 x DN15), reduced bore Pressure Class： ASME Class 600 / PN100, 102.1 bar at 38°C Body Material： ASTM A182 F51 forged duplex, UNS S31803 PREN： Approximately 35 Ball： F51 with HVOF tungsten carbide or Stellite overlay Stem： F51, SS316 or 17-4PH, blowout proof Seat： RPTFE, Devlon, PEEK, or Stellite faced metal Bolting： B8M Class 2, alloy 718, or B7M for sour service End Connection： NPT, BSP, socket weld ASME B16.11, butt weld ASME B16.25 Bleed Port： Cavity bleed with plug or needle valve, lockable option Service Temperature： -29°C to +300°C, seat dependent Design Standard： API 6D, API 608, ASME B16.34 Test Standard： API 598, ISO 5208, cavity test through bleed port Sour Service： NACE MR0175 available