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Check valves

Check valve type B
Check valves are a type of non-return valve. They block the oil flow in one direction and open in the opposite direction. In the closed state they have zero leakage. The check valve type B is available in different housing forms and is suitable for direct inline installation. The check valve type B is suitable for usage as a foot valve for a pump suction line due to the low opening pressure.

B - Check valves
CRB - Check valves

Check valve type CRK, CRB and CRH
Check valves are a type of non-return valve. They block the oil flow in one direction and open in the opposite direction. In the closed state they have zero leakage.
The check valve types CRK, CRB and CRH can be screwed-in and can be integrated into manifolds. The necessary mounting holes are straightforward to make.

Check valve type ER and EK
Check valves are a type of non-return valve. They block the oil ow in one direction and open in the opposite direction. In the closed state they have zero leakage. The check valve type ER can be plugged in. The spring loaded ball check valve type ER is very robust and insensitive to soiling. Type ER can be integrated directly in valves for manifold mounting. As such an additional intermediate plate is not necessary for the check valve function.

EK - Check valves
F - Check valves

Check valve type F
Check valves and pre-fill valves are a type of non-return valve. Check valves block the oil flow in one direction and open in the other direction. Pre-fill valves are check valves with hydraulic release. They are used, e.g. in top ram presses for suction and emptying the press cylinder on rapid closing and opening. The check valve and pre-fill valve type F is a spring-loaded disk valve and has zero leakage in the closed state. The valve is attached directly to the cylinder and clamped between the base of the cylinder and the welding-neck flange. Alternatively the valve is installed in the line between the front faces of the welding-neck flanges. The valves type F25 - F80 are available with hydraulic release. Hydraulic release suppresses relief surges that can occur at high pressure and with a large consumer volume.

Check valve type RK, RB, RC and RE
Check valves are a type of non-return valve. They block the oil flow in one direction and open in the opposite direction. In the closed state they have zero leakage. The check valve type RK and RB can be screwed in. The spring-loaded ball check valve type RK and RB is very robust and insensitive to soiling.

RB - Check valves

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