API Gate Valve
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Gate valves are widely used in Oil &Gas transmission line , city water supply , tap water sewage, building petrochemical ,food ,medicine ,textile, power ,ship, metallurgy, energy systems body line as regulation and environment protection and etc.closure devices Which including Knife gate valve ,Plate gate valve . Outside screw stem rising
through hand wheel type gate valve , Inside screw non rising stem type gate valve, wedged gate valve, double disc parallel seat gate valve ,,flat gate valve, and so on.
The main material of the body are CF8,CF8M,CF3,CF3M, WCB,A105,F304.F304L.F316.F316L.12CrMoV,15CrMo1V,1Cr5Mo.
all gate valves according to GB, API, ANSI, JIS, BD, DIN, NF standard .
Cast steel gate valve：
Nominal diameter : 2”-48”(50-1200mm)
Nominal pressure :. 150-2500lb(1.0-42.0Mpa)
Body material: WCB, CF8, CF8M, CF3, CF3M, WC6, WC9, C5.
Forged steel gate valve:
Nominal pressure: 150lb-2500lb(1.0Mpa-42.0Mpa)
Body material: A105, F304.F304L.F316.F316L.F11.F22.
1、Compact structure, beautiful shape, all-pass road runoff, flow resistance coefficient。
2、Seal face using alloy steel or hard alloy the seal materials matching rational and long service life。
3、Disc structure type：Flexible wedge single disc or rigid wedge single disc.Stem surface after nitrogen treatment, with good corrosion resistance, resistance to friction. The packing is flexible graphite , sealing, reliable, flexible, open and close torque is small.
4、Can choose a variety of standard pipe flanges and flange sealing surface type, can use manual, worm gear drive, electric, pneumatic, hydraulic drives and other ways to meet the different needs of users.
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