Automatic Gate Valve
Examples of this type of valve found commonly are safety valves fitted to hot water systems or boilers.
Automatic gate valve. Catalog number description inside diameter laying length diameter a b c d e f n s. These changes may act upon a diaphragm or a piston which in turn activates the valve. Pvc gate valves socket. Gate valves with actuators use a threaded stem to connect the actuator to the gate via a drive nut around the threads allowing the nut to be turned with a hand wheel or motor.
Gate valves are typically opened and closed using a wheel shaped twist handle with either a rising or a non rising stem or by a plunger. They can be disassembled for in line servicing. The stem may be classified as rising or non rising depending on which end is threaded. Pvc gate valves slip designed for quick shutoff in low pressure or vacuum lines these quick opening valves provide unrestricted flow for low pressure tank and drain applications with liquids gases dry bulk solids and slurry.
Gate valves are typically used to permit or prevent the flow of liquids and are not recommended for regulating flow. Gate valves have a bonnet for a leak proof seal usually a screw in union or bolted type.