Operation type
Handwheel,Gear, Electric actuator,Pneumatic actuator,Bare stem.
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).DIN2501,EN1092-1
BW end dimension: ASME B16.25
Face to face,end to end:ASME B16.10.DIN3202.EN558-1
Pressure-temperature ratings: ASME B16.34.EN12266,DIN3230
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)
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