Low Pressure Bolt Bonnet Gate Valve 

Bolt bonnet gate valve with flexible wedge disc are commonly used in all type of low pressure industrial pipelines in oil, gas and power station for the shut-off services and they have much advantages such as simple structure, short face to face dimension,  lower flowing resistance as well as long time services with overlaying stellite. The flange gate valve covers size from 2"(DN50) to 40"(DN1000) and pressure from class 150(PN16) to Class600 (PN100) which operated by electric actuator, pneumatic or handwheel. The wedge gate valve with RF flange ends connection in industrial pipeline as well as BW ends. Gate valve material can be carbon steel, stainless steel, alloy steel, duplex steel or aluminium bronze according the requirements of the working medium,  such as  WCB, LCB, WC6, WC9, C12, C12A, C5, CF8, CF8M, 4A, C95800, etc. 

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