Pressure maintenance valves / overflow valves

Keeps the working pressure of the pump constant

Back-pressure and overflow valves are fittings for dosing systems. Depending on the task, they are used to increase the dosing accuracy or to protect the system against excessive pressure. If the inlet pressure is higher than the dosing pressure, dosing is not possible without a back-pressure valve.

• Nominal flow rate 75 - 5000 l/h, up to 250 bar
• Can be used in potentially explosive atmospheres (spring-loaded seat valves DN6, 200 bar and DN10, 250 bar)
• Installation in any position (only spring-loaded seat valves must be installed vertically)
• Installation of an overflow valve with return to the dosing tank possible