Just to make them visible and traceable inside the systems they are preferred to be used with post indicators instead of wheels.
Rising stem gate valve os y.
A valve with a solid wedge may be installed in any position and it is suitable for almost all fluids.
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.
Os y means outside stem and yoke or outside screw and yoke.
Rising stem or os y type outside stem and screw type non rising stem type.
Solid wedge is the most common widely used disk type because of its simplicity and strength.
Types of stem movement.
Raising the gate allows water to flow through the valve while lowering the gate cuts off the water flowing through the 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.
All valves 14 and larger are cast with.
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.
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.
Resilient wedge os y gate valve.
China rising stem gate valve manufacturer.
105f flanged cast iron gate valve os y rising stem from matco norca the leading supplier of globally sourced code compliant plumbing pvf products.
Os y gate valves operate by opening and closing via a gate which lowers into or rises out of 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.