Non Rising Stem Gate Valve

Usually there is a trapezoidal thread at the bottom end of the valve stem.

Non rising stem gate valve.

All valves 14 and larger are cast with. Non rising stem gate valves are recommended when positive shutoff is required and where space is a premium. Non rising stem gate valve. 4 stem nut according to api standard material a493 d2 qt450 10 if stainless steel its material is bronze.

Bundor provide high quality gate valve with competitive valve price looking for exclusive regional distributor or agent in globe. According to the screw position of the stem the gate valve can be divided into rising stem gate valves and non rising stem gate valve nrs. The stem nut is inside valve body and contact with the medium directly. 3 12 inch a usp1 rwgv flxfl.

350 psig static test pressure. Non rising stems are threaded into the gate and rotate with the wedge rising and lowering inside the valve. Plumbing gate valves are bi directional multi purpose valves and are available in various materials of construction like brass lead free brass bronze cast iron with rising or non rising stem for use in residential and commercial buildings. Non rising stem gate valves are used when shutoff is required and a space saving is necessary.

When opening or closing the gate it is through the rotating of valve stem. 3 12 inch a usp1 rwgv mjxmj. The solid wedge integral seats and bi directional service make the gate valve a good choice for a broad range of services. The iron body bronze mounted ibbm valve has a bolted bonnet and non rising stem.

They take up less vertical space since the stem is kept within the valve body. Available in sizes 2 through 96 our metal seated solid wedge valves are designed in accordance with awwa c500 standards as well as ansi and astm standards. Non rising stem gate valve is also called rotating stem gate valve also called dark stem wedge gate valve. Non rising stem gate valve size range.

Non rising stem gate valve. Pipe non rising stem nrs non rising stem nrs full line catalog. The cast iron gate valve features a class 125 flanged flat face end connection for easy installation and accessibility. Designed and manufactured for use in wastewater and sewage applications pratt gate valves are produced in both non rising stem nrs and outside screw yoke os y versions.

The valve stem nut is set on the gate and the rotation of the handwheel drives the rotation of the valve stem to lift the gate. Compared with other valves gate valves have a wider range of combined applications for pressure service fluid design pressure and temperature. 350 psig static test pressure.