Item group

Compact one-way control valves, Standard

Exemplary representation: Throttle check valve (exhaust regulating) Exemplary representation: Throttle check valve (supply air regulating) Schematic symbol: Throttle check valve (exhaust regulating) Schematic symbol: Throttle check valve (supply air regulating)

Functional principle:

One-directional flow control valves restrict the flow in one direction, while the flow in the other direction is unrestricted. Throttle valves, on the other hand, restrict the flow in both directions according to the setting of the throttle screw. Standard form are the throttle check valves "exhaust regulating". If these are screwed into a cylinder, for example, they enable smooth running without slip-stick effect. Throttle check valves are used in the special form "supply air regulating" for cylinders with a small volume (small diameter/small stroke).


Compressed air, neutral gases


Body: nickel-plated brass / PA 66, sleeve: PA 66, seal: NBR, holding claws: stainless steel, cartridge: Zinc-plated ZnDC (only silicone-free seals and lubricants are used during assembly)

Temperature range:

-20°C to +80°C

Operating pressure:

-0,95 to 20 bar


•especially compact design (approx. 30% lower compared with standard flow control silencers),
•simple setting possible without tools,
•after setting, can be easily locked by pressing the cap

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