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API Three Eccentric Flange Stainless Steel Buttefly Valve with worm operated
The triple eccentric butterfly valve is widely used in industrial pipelines such as metallurgy, electric power, petrochemical industry, water supply and drainage and municipal construction where the medium temperature is ≤425℃, to adjust flow and load and cut off fluid.
Standard: API609/BS5155/ANSI B 16.34 /ASME
Pressure: PN16~PN420(150LB~2500LB)
Material: Stainless Steel/Alloy Steel
Size: 1/2''~48''
Connection ends: Wafer type, flange, lug type, welding, etc.
Stainless Steel Three Eccentric Butterfly Valve could make in zero leakge, high pressure, high temperature supply.
Nominal Size： 1 inch / DN25, range 1/4 to 12 inch Pressure Class： ASME Class 150, 19.6 bar at 38°C; Class 300 optional Body Material： ASTM B148 C95800 nickel aluminum bronze Body Type： Two piece, bolted Ball： C95800, SS316 hard faced optional Stem： C95800 or SS316, blowout proof Seat： PTFE, RPTFE, PPL, or reinforced PTFE Packing： PTFE or graphite combined packing End Connection： Threaded NPT / BSPT, flanged RF to ASME B16.5 optional Service Temperature： -29°C to +150°C standard, +200°C high temperature version Seawater Velocity Limit： About 6 m/s clean, 4.5 m/s with sand Design Standard： API 608, ASME B16.34 Test Standard： API 598, ISO 5208 Operation： Lever standard, pneumatic or electric optional
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
