Rising Stem Gate Valve Components

Gate valves are available with different disks or wedges.

Rising stem gate valve components.

Rising stem gate valves are used when shutoff is required and a quick visual indicator of open closed position is needed. Valve opening and closing is slow unless actuated and water hammer effects should not be a problem. For a rising stem valve the stem will go up while opening the valve and move down when you close the valve. The valve trim consists of the stem the gate the disc or wedge and the seat rings.

The opening and closing part of the rising stem gate valve is a gate and the moving direction of the gate is perpendicular to the direction of the fluid. When an orbit rising stem ball valve is closed the core is mechanically wedged tightly against the seat ensuring positive shutoff. Components are easy to replace for quick economical maintenance. The gate has two sealing surfaces.

Every orbit rising stem ball valve incorporates a proven tilt and turn operation that eliminates seal rubbing which is the primary cause of valve failure. Shop a large range of rising stem valve at msc industrial supply. Msc industrial supply is here to support all your metalworking and maintenance repair needs with over 1 million products in stock and ready to ship today. Gate valve bronze rising stem threaded t 111.

Ranging from the gate valves are usually made by the type of wedge used. Knife gate valves are mass produced in sizes from 2 to 24 although valves up to 72 are not uncommon. The absence of seal rubbing during both opening and closing means easy low torque valve operation and long term reliable performance. Rising telescoping valves are used when gross indication of the valve s position is desired during siphoning or regulating fluid levels.

Female threaded ends allow for ease of installation. The rising stem gate valve can only be fully opened and fully closed and cannot be adjusted or throttled. In inside screw design the threaded portion of the stem is in contact with the flow medium and when you open the valve handwheel rise with the stem. The nibco bronze gate valve features a screw in bonnet for service where infrequent maintenance is required.

There are two models of rising telescoping valves to choose from depending on the needs of your application. You can see in the image.