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.
Rising stem gate valve os y.
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.
Rising stem gate valves os y dn750 30 inch 125lb 150lb ductile iron bronze trim rotork actuator.
Os y gate valves operate by opening and closing via a gate which lowers into or rises out of the valve.
Resilient wedge os y gate valve.
Solid wedge is the most common widely used disk type because of its simplicity and strength.
Types of stem movement.
Just to make them visible and traceable inside the systems they are preferred to be used with post indicators instead of wheels.
Raising the gate allows water to flow through the valve while lowering the gate cuts off the water flowing through the valve.
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.
Solid wedge gate valve.
Os y check and butterfly valves all regions international the americas reliable provides a complete line of ul listed fm approved resilient seated os y valves non rising stem nrs valves wall indicator post valves check valves and butterfly valves suitable for use in fire sprinkler systems.
Rising stem or os y type outside stem and screw type non rising stem type.
A valve with a solid wedge may be installed in any position and it is suitable for almost all fluids.
Os y gate valve is developed to be used as the cut off and zone control valves in order to substitute supervisory switched butterfly valves in the fire security systems.
Os y means outside stem and yoke or outside screw and yoke.
All valves 14 and larger are cast with.