According to the purpose and function classification Shut-off valve is mainly used to cut off or connect the media flow. Including gate valve, globe valve, diaphragm valve, ball valve, plug valve, butterfly valve, plunger valve, ball valve, needle valve and so on. Regulating valve is mainly used to regulate the flow of media, pressure and so on. Including the control valve, throttle, pressure reducing valve. Check valves are used to prevent backflow of media. Includes various configurations of check valves. Diverter valves are used to separate, distribute, or mix media. Including a variety of distribution valves and traps and other structures. Safety valves are used for the protection of the medium against overpressure. Including various types of safety valve. According to the main parameters (a) Press the classification vacuum valve working pressure is lower than the standard atmospheric pressure valve. Low pressure valve nominal pressure PN less than 1.6MPa valve. Nominal pressure in the valve PN2.5 ~ 6.4MPa valve. High pressure valve nominal pressure PN10.0 ~ 80.0MPa valve. High pressure valve nominal pressure PN greater than 100MPa valve. (B) by the temperature of the medium temperature valve t is greater than 450C. Medium temperature valve 120C less than t less than 450C valve. Room temperature valve -40C less than t less than 120C valve. Cryogenic valve -100C less than t less than -40C valve. Cryogenic valve t is less than -100C valve. (C) by the valve body material classification Non-metallic materials valves: such as ceramic valves, glass steel valves, plastic valves. Metal material valves: such as copper alloy valve, aluminum alloy valve, lead alloy valve, titanium alloy valve, Monel alloy valve cast iron valve, carbon steel valve, cast steel valve, low alloy steel valve, high alloy steel valve. Metal body lining valves: such as lead-lined valves, lined plastic valves, lined enamel valves. General taxonomy This taxonomy not only by principle, role and structure by the division, is currently the most common international and domestic classification methods. General sub-gate valves, globe valves, throttle valves, instrumentation valves, plunger valves, diaphragm valves, plug valves, ball valves, butterfly valves, check valves, pressure relief valve safety valve, Sewage valve and so on.
Type:Elbow / Tee / Cross / Cap / Union / Olet / Coupling / Half-coupling / Plug / Nipple / Swage Nipple / Lateral Tee
·Specification:ASME B16.11 / B36.1 / MSS-SP-97 / MSS-SP-95 / BS 3799
·Dimension:1/4" – 4"
·Pressure class:2000# / 3000# / 6000# / 9000#
·Connection facing:threaded end / plain end / socket welding end / butt welding end
·Material:1) Carbon & Alloy Steel: ASTM A105
ASTM A350: LF1/LF2 / LF3 / LF5 / LF6 / LF9 / LF787
MSS SP-75: WPHY42 / WPHY46 / WPHY52 / WPHY60 / WPHY65 / WPHY70 /WPHY80
ASTM A515: GR.60 / GR.65 / GR.70
ASTM A516: GR.55 / GR.60 / GR.65 / GR.70
2) Stainless Steel: ASTM A182: F304 / F304L / F304H / F316 / F316L / F317L / F321 / F321H / F347 / F347H / F51 / F53
3) Special alloy steel: Hastelloy B-2, Hastelloy C, Hastelloy C-276, Hastelloy C-4, Incoloy A-286, Incoloy 800HT, Incoloy 825, Inconel 600, Inconel 625, Inconel X-750, Inconel 718, Nimonic 80A, Nimonic 90, Nimonic 93
Remark: Products can be manufactured as per client's technical requirement of type, standard, dimension, wall thickness and material.
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