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.
Types of stem movement.
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.
Solid wedge gate valve.
All valves 14 and larger are cast with.
Resilient wedge os y gate valve.
Rising stem gate valves os y dn750 30 inch 125lb 150lb ductile iron bronze trim rotork actuator.
Solid wedge is the most common widely used disk type because of its simplicity and strength.
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.
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.
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.
Rising stem or os y type outside stem and screw type non rising stem type.
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.
China rising stem gate valve manufacturer.
Raising the gate allows water to flow through the valve while lowering the gate cuts off the water flowing through the valve.