An os y valve outside screw yoke functions by opening and closing via a gate which lowers both in and out of the valve.
Gate valve os y type.
One quick look at an os y valve with the stem raised out of the body of the valve and you will know that the water is on.
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.
One type of valve commonly used to control water flow to fire sprinkler systems is known as an os y gate valve.
About 88 of these are valves 11 are firefighting equipment.
Therefore virtually no resistance to.
4 12 features ul 262 listed and fm 1120 1130 approved and certified to ansi nsf 61 372epoxy coated interior and exterior surfacesoutside screw yoke o s y adjustable packingrubber encapsulated iron wedgehandwheel open left or open right250psig 1725 kpa 17 barg maximum working pressure 500psig 3450 kpa 35 barg static testepoxy coating meets or.
When the gate valve is fully open the disk of a gate valve is completely removed from the flow.
O s y valves contain a screw nut held by a yolk or beam on the exterior of the valve.
It is a linear motion valve used to start or stop fluid flow.
This valve user guide covers gate valve with bb os y type globe valve with bb os y type and check valve with bc type.
On a typical gate type valve a visual inspection cannot determine whether the valve is open or closed.
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.
A wide variety of gate valve os y type options are available to you such as free samples.
The degree of the harm and the damage is classified in the warning and the caution.
A gate valve is the most common type of valve used in any process plant.
Os y means outside stem and yoke or outside screw and yoke.
When the handle is turned clockwise the gate will close preventing any water from traveling through the valve.
The screws of the valve are held by a yolk on the.
On nyc water main installations for fire protection all main control valves must be locked in the open position.
This shaft action either pushes or pulls the valve disc enabling the valve to open or close.
When the handle is turned counter clockwise the gate will open allowing the water to flow through freely.
