Check Valves

Backflow preventer with controllable reduced pressure zone. Reduced pressure principle prevents potentially contaminated fluid polluting the supply system.
Backflow Preventer VM8401
Backflow preventer with controllable reduced pressure zone. Reduced pressure principle prevents potentially contaminated fluid polluting the supply system.
Backflow preventer with controllable reduced pressure zone. Reduced pressure principle prevents potentially contaminated fluid polluting the supply system.
Backflow Preventer VM8411
Backflow preventer with controllable reduced pressure zone. Reduced pressure principle prevents potentially contaminated fluid polluting the supply system.
Ball check valve for pumping stations for clean, sewage water, and loaded or viscous fluids. Full bore. Self cleaning ball. Low pressure drop. Silent.
Ball Check Valve VM6538
Ball check valve for pumping stations for clean, sewage water, and loaded or viscous fluids. Full bore. Self cleaning ball. Low pressure drop. Silent.
Ball check valve for pumping stations for clean, sewage water, and loaded or viscous fluids. Full bore. Self cleaning ball. Low pressure drop. Silent. DN 65-100 in cast iron.
Ball Check Valve VM6540
Ball check valve for pumping stations for clean, sewage water, and loaded or viscous fluids. Full bore. Self cleaning ball. Low pressure drop. Silent. DN 65-100 in cast iron.
Venstop™ membrane chack valve VM 6520 valve for liquids, air, and gases as well as for pulsating flow conditions. Soft sealing. Insensitive to polluted fluids. Mounting possible in any direction which is unique to check valves. DN 65-80 in cast iron.
Diaphragm Non-Return Valve VM6520 Venstop
Venstop™ membrane chack valve VM 6520 valve for liquids, air, and gases as well as for pulsating flow conditions. Soft sealing. Insensitive to polluted fluids. Mounting possible in any direction which is unique to check valves. DN 65-80 in cast iron.
Venstop™ diaphragm non-return valve for liquids, air, and gases as well as for pulsating flow conditions. Soft sealing. Insensitive to polluted fluids. Mounting possible in any direction which is unique to check valves. 
Diaphragm Non-Return Valve VM6525 Venstop
Venstop™ diaphragm non-return valve for liquids, air, and gases as well as for pulsating flow conditions. Soft sealing. Insensitive to polluted fluids. Mounting possible in any direction which is unique to check valves. 
Disc check valve for liquids, gases, and vapours.
Disc Check Valve VM6493
Disc check valve for liquids, gases, and vapours.
Dual plate check valve for liquids and gases. Wafer body for mounting between flanges. Cast iron DN 250-600.
Dual Plate Check Valve VM6590
Dual plate check valve for liquids and gases. Wafer body for mounting between flanges. Cast iron DN 250-600.
Dual plate check valve for liquids and gases. Wafer body for mounting between flanges.
Dual Plate Check Valve VM6591
Dual plate check valve for liquids and gases. Wafer body for mounting between flanges.
Flap valve used in surface-, sewer- and process water systems. A very simple yet effective way to reliably prevent backflow into the system.
Flap Valve VM6585
Flap valve used in surface-, sewer- and process water systems. A very simple yet effective way to reliably prevent backflow into the system.
Foot valve in stainless steel for liquids and gases. Female threaded. Low opening pressure.
Foot Valve VM6542BV
Foot valve in stainless steel for liquids and gases. Female threaded. Low opening pressure.
Foot Valve in brass for liquids and gases. Female threaded. Low opening pressure.
Foot Valve VM6565BV
Foot Valve in brass for liquids and gases. Female threaded. Low opening pressure.
Non-return valve for liquids, steam, and vapours. DN 125-200 in cast iron.
Non-Return Valve VM6490
Non-return valve for liquids, steam, and vapours. DN 125-200 in cast iron.
Non-return valve for liquids, gases, and vapours.
Non-Return Valve VM6491
Non-return valve for liquids, gases, and vapours.
Piston check valve for liquids, steam, and gases. Very low pressure loss. Low opening pressure.
Piston check Valve VM6542
Piston check valve for liquids, steam, and gases. Very low pressure loss. Low opening pressure.
Piston check valve for liquids, steam, and gases. Very low pressure loss. Low opening pressure.
Piston check Valve VM6545
Piston check valve for liquids, steam, and gases. Very low pressure loss. Low opening pressure.
Piston check valve for liquids, steam, and gases.
Piston check Valve VM6555
Piston check valve for liquids, steam, and gases.
Piston check valve for liquids, steam, and gases.
Piston check Valve VM6555S
Piston check valve for liquids, steam, and gases.
Piston check valve for liquids, steam, and gases.
Piston check Valve VM6557
Piston check valve for liquids, steam, and gases.
Y-pattern piston check valve for oil, liquids, steam, and gases. Integral seat. Full bore.
Piston check Valve VM6563
Y-pattern piston check valve for oil, liquids, steam, and gases. Integral seat. Full bore.
Piston check valve for liquids and gases. Spring loaded disc. Low opening pressure. Low flow resistance.
Piston check Valve VM6565
Piston check valve for liquids and gases. Spring loaded disc. Low opening pressure. Low flow resistance.
Piston check valve for preventing the contamination of potable water as a result of backflow.
Piston check Valve VM6567
Piston check valve for preventing the contamination of potable water as a result of backflow.
Swing check valve for a wide range of applications in potable and waste water systems. Full bore. Low pressure drop. Drinking water approval according to W270.
Swing Check Valve VM6500
Swing check valve for a wide range of applications in potable and waste water systems. Full bore. Low pressure drop. Drinking water approval according to W270.
Swing check valve for liquids, steam, and gases. Low weight. Without spring load. For pulsating flow conditions, spring load is recommended.
Swing Check Valve VM6571
Swing check valve for liquids, steam, and gases. Low weight. Without spring load. For pulsating flow conditions, spring load is recommended.
Swing check valve for liquids, steam, and gases. Low weight. Without spring load. For pulsating flow conditions, spring load is recommended.
Swing Check Valve VM6573
Swing check valve for liquids, steam, and gases. Low weight. Without spring load. For pulsating flow conditions, spring load is recommended.
Swing check valve for liquids, steam, and gases. Low weight. Without spring load. For pulsating flow conditions, spring load is recommended.
Swing Check Valve VM6574
Swing check valve for liquids, steam, and gases. Low weight. Without spring load. For pulsating flow conditions, spring load is recommended.