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Packaging: Wooden case
Place of Origin: CHINA
Supply Ability: 8000
Bolted Bonnet, Threaded or welded seat ringFull bore, OS&Y, Rising stem, Flexible wedgeBody
Material: ASTM A352 LCB, LC1, LC2, LC3, LC4, A351 CF8, A351 CF8M
Design and Manufacture: API 600, API 6D, BS1414
Face to face (end to end): ANSI B16.10, API 6D
Flanged connection: 2"~24" to ANSI B16.5
Butt welded end: ANSI B16.25
Test and inspection: API 598, API 6D
Body and Bonnet Connection
The body and bonnet of Class 150~Class 900 gate valves are usually bolted bonnet design. And Class 1500~Class 2500 gate valves are usually of pressurized seal design.
Gasket of Cover
Flange Carbon steel or stainless steel+flexible graphite combined gasket is used for Class 150 Gate Valve; Stainless steel+flexible graphite wounded gasket is used for Class 300 gate valve; Stainless steel+flexible graphite wounded gasket is used for Class 600 gate valve, and ring joint gasket is also optional for Class 600 gate valve; Ring Joint gasket is used for Class 900 gate valve; Pressurized seal design is used for Class 1500~Class 2500 gate valve.
Hand wheel or gear box is usually used for gate valve actuation. Chain wheel and electric actuator can be also used for gate valve actuatuo if being requested by the customers.
For carbon steel gate valve, the seat is usually forged steel.