Gate Valve Os Y Type

One type of valve commonly used to control water flow to fire sprinkler systems is known as an os y gate valve.

Gate valve os y type.

A wheel in the valve attaches to the nut which turns via external screw threads allowing the shaft to rise from or lower into the valve body. 1 valve type identifies the valve body design gate globe ball plug etc 2 bore size identifies nominal port size 1 4 to 78 3 pressure class identifies pressure classes ranging from 50 to 15 000 4 body bonnet identifies body and bonnet material configuration bolted bonnet pressure seal top entry etc. The screws of the valve are held by a yolk on the. In service these valves are either in a fully open or fully closed position.

About 88 of these are valves 11 are firefighting equipment. On nyc water main installations for fire protection all main control valves must be locked in the open position. An os y valve outside screw yoke functions by opening and closing via a gate which lowers both in and out of the valve. When the handle is turned counter clockwise the gate will open allowing the water to flow through freely.

A wide variety of gate valve os y type options are available to you such as free samples. On a typical gate type valve a visual inspection cannot determine whether the valve is open or closed. When the handle is turned clockwise the gate will close preventing any water from traveling through the valve. It is a linear motion valve used to start or stop fluid flow.

Therefore virtually no resistance to. This shaft action either pushes or pulls the valve disc enabling the valve to open or close. When the gate valve is fully open the disk of a gate valve is completely removed from the flow. Os y gate valves operate by opening and closing via a gate which lowers into or rises out of the valve.

O s y valves contain a screw nut held by a yolk or beam on the exterior of the valve. A gate valve is the most common type of valve used in any process plant. The degree of the harm and the damage is classified in the warning and the caution. Os y means outside stem and yoke or outside screw and yoke.

Pipe valve hydrant ul fm series resilient wedge gate valves are available in non rising stem nrs with indicator post flange piv non rising stem with awwa style stuffing box and outside screw and yoke os y with handwheel outside screw and yoke os y resilient wedge gate valves have adjustable packing seal and a handwheel and is normally used for installations. Safety notice and signs when handling of valve is improper the harm and the damage will be occurred.