Piece forging flange
Ming rod structure
Integral seal down
To remove seat
Low leakage test stem packing by
Automatically adjust the preload gland packing
Design: API 602/ASME 16.34/BS 5352
Pressure Test: API 598
Tag: MSS SP25
SW connector standard: ASME B16.11
Threaded connector (NPT) Standard: ASME B1.20.1
CLASS 150, CLASS 300, CLASS 600, CLASS 1500, CLASS 2500
1 / 4 "to 4"
Carbon Steel: A105, LF2
Stainless Steel: F304, F304L, F316, F316L
Duplex: F51, F55
Alloy: F1, F5, F5A, F9, F11, F22
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. The sealing surface of the seat is spray welded with hard alloy specified by the customer. Welded seat is used for NPS Contact us if you need more details on Gate Valve. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Check Valve、Industrial Valve. If these products fail to match your need, please contact us and we would like to provide relevant information.