Model NO.: H77H/Y-C, H77X, H77W
Connection Form: Thread
Nominal Diameter: DN40-DN1000
Nominal Pressure: 150LB - 900LB
Material: Stainless Steel
Body: CS/SS - WCB, WCA, WCC, A351, A744, 304, 304L, 316, 316L
Disc: Stainless steel - A351, 420S, S42000, 304, 304L, 316, 316L
Stem and sealing surface: A351, A744, 304, 304L, 316, 316L
Flow Direction: Unidirection
Suitable Medium: Water, Oil, Gas and etc
Application: Industrial Usage, Water Industrial Usage, Household Usage
Design and manufacture: API 6D
Face to face: ANSI B16.10
Flange end: ANSI B16.5
Inspection and test: API 598
Main Structural Features:
Simple and compact structure.
Easy open and close for convenience of disassembly and servicing, basically linear flow characterstic.
Dependable seal, leak-tightnes and service life of over 20,000 times of open and close, eccentric structure, small torque of disc.
Short stroke of center of gravity up on disc being closed, quick close and water hammer elimination.
valve body is made of stainless steel or carbon steel, and sealing faces of valve stem and disc are both made of stainless steel.