Parallel Slide Gate Valve Operation

System pressure is used to provide isolation.

Parallel slide gate valve operation.

Wedge gate valve our parallel slide gate valve design offers many advantages over double disc wedge gate valves in providing tight reliable shut off in water and steam service. The replaceable structure of the dual valve seat provides a function of double block and bleed dbb. Velan s proven pressure seal design. Designed to asme b16 34.

Kvt o m manual parallel slide gate valve om psgv 3 2011 06 01 4 kvt psg om english 2011 docx 1. Comparison parallel slide gate valve vs. Velan pressure seal parallel slide gate valves are ideal for clean service and steam. They are not suitable for modulation of flow i e.

Two discs and just one wedge design gate valve. The closing is only made over one of the seats. Valve description 1 1 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. Smooth operation and long service life is enabled by design that minimizes accumulation of sediment and sludge.

Page 2 5 iso nr 50 100 13075 parallel slide gate valves pressure seal configuration both designs accordingly asme b16 34 and en 12516. Parallel slide gate valve venturi design pressure seal configuration page 1 5 via cardona n 48 salt di povoletto ud cap 33040 italy tel. Anchor darling double disc gate valve sizes 2 5 and over with t head stem user instructions iom view all. Parallel slide gate valves use system pressure and position to provide positive isolation.

Unique parallel slide forged cage unit design comprises all operating parts of the slide discs. Parallel slide valve venturi follower eye feature the advantages of the follower eye are clearly shown in the sketch opposite page which compares the venturi parallel slide design with a full bore wedge gate valve. Body made of superior strength forgings and optional cast steel. Our parallel slide gate valve uses position.

Parallel slide gate valves double disk share. One of these advantages comes from the seating method used by these valves. Parallel gate slide valves utilize a parallel faced gate like seating element. It has two parallel disks that are forced on the closure against parallel seats by a spreader.

This design of gate valve is commonly used for clean fluids and steam applications. Seal is established on outlet.