Check Valves

Check valves are designed for the protection of system against the back flow of the media what may cause various problems to the system and parts in it.

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Tilting

This disc check valve will be clamped between the flanges and prevents the back flow of the medium by the one-side opening swing flap.

Tilting Check Valve

 

The tilting check valve has a broad construction form.

 

 

 

 

Sandwich

Due to the widespread material and seal ring combinations the sandwich check valve is a real all rounder in its area. It will be clamped between the flanges and prevents the back flow of the medium by the one side opening swing flap.

Sandwich Check Valve

 

This disc check valve has a slim construction form and is optional spring-loaded available.

 

 

 

 

Double-Flap

This disc check valve has, equal to the tilting, a broad construction form and will also be clamped between the flanges.

Double-Flap Check Valve

 

The one-side opening double flap prevents the back flow of the medium.

 

 

 

 

Socket and Disco/Socket-DSV

The Disco-DSV, the Socket-DSV and the socket check valve will be clamped between the flanges/screwed to the flanges and prevent the back flow of the medium by the one-side opening valve. These valves are used in pipelines with high pressure and/or high temperature and can be installed at any position. We also provide this construction type in larger size as nozzle check valve.

Disco-Disc Check Valve

 

Valve with stainless steel body and disc material. Working temperature from -40°C to +600°C.

 

 

 

 

Socket-Disc Check Valve

 

Valve with stainless steel body and disc material. Working temperature from -40°C to +600°C.

 

 

 

 

Socket Check Valve

 

Valve with various materials of body, disc and seal ring. Working temperature from -40°C to +600°C.

 

 

 

 

Flange-Disc

The flange-disc check valve will not be clamped between the flanges, but will be screwed to it by the flange-holes. Fergo provide this type in several material combinations for various temperature ranges. By the one-side opening disc the back flow of the medium will be prevented.

Flange-Disc Check Valve

 

This disc check valves can also be equipped with lever and weight, as well as with basket guard or lifting device.

 

 

 

 

Ball-Disc

This check ball is mainly used for roughly polluted media, that would clogg conventional valves.

Ball-Disc Check Valve

 

The medium sets the ball into rotation, so it will be cleaned up on it's own. By your request this product is also available with threaded connection.

 

 

 

 

Swing-Check

This disc check valve with lever and weight will be screwed to the flange by the flange holes. By the one-side opening disc the back flow of the medium will be prevented.

Swing-Check valve

 

A protective hood, hydraulic damper or lifting devices are also available.

 

 

 

 

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