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What Is Parallel Slide Gate Valve

The parallel gate valves use a flat gate between two parallel seats and a popular type is the knife gate valve designed with a sharp edge on the bottom of the gate. Body made of superior strength forgings and optional cast steel.

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Yes as the names imply a parallel gate valve has parallel seat faces while a wedge gate valve has non parallel seat faces.

What is parallel slide gate valve. Velans proven pressure seal design. Kvt om manual parallel slide gate valve om psgv 32011 06 01 4 kvt psgom english 2011docx 1. Slide gate valves are linear motion valves in which a flat plate slides into the flow stream to provide a shut off of material or air.

Designed to asme b1634. Valve description 11 recommended uses kvt parallel slide spring loaded gate valves are designed to provide isolation of flow in a piping system or a component when closed. Gate valves can be divided into two main types.

One of these advantages comes from the seating method used by these valves. By comparison a double disc wedge gate valve relies upon torque force to wedge the disc into the valve body to provide shut off. The wedge gate value is much more common its typically what you find in a hardware store you almost never find a parallel gate value there.

Parallel slide gate valve psg the valvtechnologies parallel slide gate valve psg addresses advanced design features and benefits and the need for true in line valve reparability in large diameter high energy piping systems resulting from those enhancements. Unique parallel slide forged cage unit design comprises all operating parts of the slide discs. Parallel slide valves jv060022 cast steel parallel slide gate valve parallel slide valve with spring loaded discs which automatically create a wiping action thus cleaning the seating surface during normal operation.

The slide plate of the gate is not in most applications open or exposed to people. The horizontal spring keeps the discs in permanent contact with the seat rings assuring tight seal. Isotech valvtechnologies parallel slide gate psg seat protected valves are the culmination of years of practical design enhancements and eliminating the limitations of typically accepted norms in gate valve design.

They are not suitable for modulation of flow ie. The parallel slide gate valves are an alternative option of double disc valves having single wedge instead of double wedge. Our parallel slide gate valve uses position seating allowing the line force in the system to assist in the sealing of the valve seat by holding the downstream disc firmly against the downstream seat.

Velan pressure seal parallel slide gate valves are ideal for clean service and steam. The gate can close or open the slide plate on a moving column of material at all times.

Spl Parallel Slide Gate Valvepsgv Design Features Ppt