Operation type(Through Conduit Gate Valves)
Handwheel,Gear, Electric actuator,Pneumatic actuator,Bare stem,bolted bonnet valves.Through Conduit Gate Valve, Expanding Gate
Standard
Design and Manufacture: EN13709,API 6D,API600,API603,ISO10434,BS1414 or ASME B16.34
Inspection and Test: DIN 3230 EN12266 API 598,API 6D
End flange dimension: DIN 2501 ,ASME B16.5,ASME B16.47(API 605 ,MSS SP44)
BW end dimension: ASME B16.25
Face to face ,end to end: DIN 3202-F5  EN558-1
Pressure-temperature ratings:ASME B16.34
NACE: NACE 0175
Special gate valve
Besides the common gate valves, We also makes cryogenic gate valve(Extended bonnet), bellow sealed globe valve, Jacketed gate valve, with bypass gate valve.By-Pass and Drain Connections，Indicator and Locking Devicesetc.Conduit Gate Valve
Application
widely used in oil, natural gas, long-distance pipelines and gas fields Valves used in forging or casting body, the gate designed with diversion holes, non-diversion holes; single discand double disc structure; Seat used bi-direction seal seat which mainly based on the metal seat sealing and assisted with soft seat sealing as a second type of seal. The series of parallel type gate valve has rational design, compact structure, sulfur resistance, corrosion resistance, wear-resistant, reliable sealing, and light torque of switches, easy-to-use.
Material
ASTM A216 WCB WCC;ASTM A217 WC1 WC6 WC9;ASTM A351 CF8,A351 CF8M,
A351 CF3,A351 CF3M,A351 CN7M;.ASTM A352 LC1 LCB LCC LC3 or by customers 
(Cast Steel, Alloy Steel, Stainless Steel, Special Steel).GS-C25,1.0619.

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