Parallel Slide Gate Valve Operation

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.

Parallel slide gate valve operation.

Seal is established on outlet. Velan pressure seal parallel slide gate valves are ideal for clean service and steam. Velan s proven pressure seal design. It has two parallel disks that are forced on the closure against parallel seats by a spreader.

The closing is only made over one of the seats. The replaceable structure of the dual valve seat provides a function of double block and bleed dbb. 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. High pressure parallel slide gate valve for isolation of steam and condensate in the power generation industry.

Two discs and just one wedge design gate valve. Kvt o m manual parallel slide gate valve om psgv 3 2011 06 01 4 kvt psg om english 2011 docx 1. They are not suitable for modulation of flow i e. Page 2 5 iso nr 50 100 13075 parallel slide gate valves pressure seal configuration both designs accordingly asme b16 34 and en 12516.

Our parallel slide gate valve uses position. 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. System pressure is used to provide isolation.

One of these advantages comes from the seating method used by these valves. Parallel slide gate valve provides a smooth flow path between seats. Designed to asme b16 34. This design of gate valve is commonly used for clean fluids and steam applications.

Smooth operation and long service life is enabled by design that minimizes accumulation of sediment and sludge. Comparison parallel slide gate valve vs. Parallel slide gate valve venturi design pressure seal configuration page 1 5 via cardona n 48 salt di povoletto ud cap 33040 italy tel. Parallel slide gate valves double disk.

Parallel gate slide valves utilize a parallel faced gate like seating element. Anchor darling double disc gate valve sizes 2 5 and over with t head stem user instructions iom view all.