Gate Valve Union Bonnet

Ring joint gasket are also available on request.

Gate valve union bonnet.

Bronze gate valve from elite valve. Bonney forge valves are available in two bonnet designs. Union bonnet rising stem bronze threaded npt or soldered class 150. You will not the bonnet has a hexagonal shape near the valve body.

Gate valve rf 125 250 aarh cs. Drinking water applications is prohibited after january 3 2014. 150 psi 10 3 bar saturated steam to 353 f 300 psi 20 7 bar non shock cold working pressure rising stem solid wedge union bonnet class 150 threaded end connections use in u s. Crane bronze gate valves dimensions and weights.

Class 125 threaded bonnet rising stem threaded ends figure 428 class 125 union bonnet rising stem threaded ends figure 428ub. Body and bonnet 11 13 crometrim hard faced saet ring and disc flexible wedge full portdesign bolted bonnet os y per api 600 asme b 16 34 asmeb 16 10 valves shall be tested according to api 598 4 150 check valve 4 150 rtj swing type cs. It is shown on the valves in the upper left quadrant of this page. It also gives the body added strength.

There is a third type of bonnet used on steel valves called a bolted bonnet. A screw in bonnet is the simplest offering a durable pressure tight seal. Designed to provide long service in high pressure pump and standpipe manifold systems our rugged valves created tight shutoff at every closing cycle and outperform even after long. Gate valves forum manufactures mud gate valves to meet the tough demands of deep high pressure drilling applications up to 7 500 pounds per square inch psi.

A union bonnet is suitable for applications requiring frequent inspection and cleaning. The solid wedge integral seats and bi directional service make the gate valve a good choice for a broad range of services. Gate valve bronze rising stem union bonnet threaded t 134 the female threaded ends allow for ease of installation. This page shows some union bonnet valves.

Gate valves may have a screw in union or bolted bonnet. The second design is the welded bonnet with a threaded and seal welded joint. Gate valve bronze rising stem union bonnet threaded t 134. The first design is the bolted bonnet with male female joint spiral wound gasket made in f316l graphite.

A bolted bonnet is used for larger valves and higher pressure applications.