Bolt Bonnet swing check valve designed and manufactured by ASME B 16.34 and API 6D standard with full port swing type, internal highe pin, renewable seat which are widely used in all type low pressure system of thermal power plant, chemical industry and metallurgy etc. Valve pressure from Class 150 to Class1500 matching valve size from 2 1/2" to 40". Swing type check valve normally with flange ends connection in industrial pipeline as well as welding ends. Valve material can be carbon steel, stainless steel, alloy steel or special steel according the requirements of the working medium. Such as WCB, LCB, WC6, WC9, C12, C5, CF8, CF8M, duplex steel etc.
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