Gear Operated Bolt Bonnet Gate Valve  

Gearbox operated bolt bonnet gate valve with ASME, DIN, GOST or EN standard is the best popular type shut off valve in any kind of low pressure industrial pipelines, Class 150(PN16) to Class900(PN160) matching valve size from 2 1/2"(DN50) to 40"(DN1000), which can be operated by electric actuator, pneumatic or handwheel. Bolt bonnet gate valve normally with flange ends connection in industrial pipeline as well as welding ends. Valve material can be low temperature steel, carbon steel, stainless steel, alloy steel, hastelly steel or special steel according the requirements of the working medium, Such as LCB, LCC, LC1, WCB, WC6, WC9, C12A, 4A, Aluminium Bronze, Monel etc.