Flat gate valve - HPA

Bolted Bonnet(BB),Welded bonnet(WB),Pressure seal bonnet(PSB),Rising stem,Outside Screw and Yoke(OS&Y);Metallic or soft seating surfaces,high pressure flat gate valve,Through Conduit Gate Valve.VLVULA GAVETA

Operation type
Handwheel,Gear, Electric actuator,Pneumatic actuator,Bare stem.Through Conduit Gate Valve, Expanding Gate
Standard
Design and Manufacture: API 6D,API600,API603,ISO10434,BS1414 or ASME B16.34
Inspection and Test: API 598,API 6D
End flange dimension: ASME B16.5,ASME B16.47(API 605 ,MSS SP44)
BW end dimension: ASME B16.25
Face to face,end to end:ASME B16.10
Pressure-temperature ratings: ASME B16.34
NACE: NACE 0175
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)
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 small torque of switches, easy-to-use.
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