PVC-U non-return valve, swing check valve, foot valve

Rückschlagventil mit Feder
PVC-U check valve <strong>single union, double adhesive socket
PVC-U check valve single union, double adhesive socket
PVC-U non-return valve <strong>2 x solvent glue socket
PVC-U non-return valve 2 x solvent glue socket
PVC-U non-return valve <strong>spring PTFE-coated 2 x glue socket
PVC-U non-return valve spring PTFE-coated 2 x glue socket
PVC-U non-return valve <strong>glue socket x female thread
PVC-U non-return valve glue socket x female thread
PVC-U non-return valve <strong>2 female threads
PVC-U non-return valve 2 female threads
PVC-U non-return valve <strong>female-x male thread
PVC-U non-return valve female-x male thread
PVC-U non-return valve <strong>2 male threaded connections
PVC-U non-return valve 2 male threaded connections
PVC-U non-return valve <strong>2-way hose nozzle
PVC-U non-return valve 2-way hose nozzle
PVC-U non-return valve <strong>foot valve solvent socket x filter basket
PVC-U non-return valve foot valve solvent socket x filter basket
PVC-U non-return valve <strong>foot valve female thread x filter basket
PVC-U non-return valve foot valve female thread x filter basket
PVC-U non-return valve <strong>foot valve hose connector x filter basket
PVC-U non-return valve foot valve hose connector x filter basket
PVC-U non-return valve <strong>, 2-way PE100 connection
PVC-U non-return valve , 2-way PE100 connection
PVC-U non-return valve <strong>2 x solvent socket WRAS drinking water certificate
PVC-U non-return valve 2 x solvent socket WRAS drinking water certificate
Rückschlagventil transparent mit Feder
PVC-U non-return valve transparent <strong>single union nut double adhesive socket
PVC-U non-return valve transparent single union nut double adhesive socket
PVC-U non-return valve transparent <strong>2-fold glue socket
PVC-U non-return valve transparent 2-fold glue socket
PVC-U non-return valve transparent <strong>spring PTFE-coated 2 x glue socket
PVC-U non-return valve transparent spring PTFE-coated 2 x glue socket
PVC-U non-return valve transparent <strong>glue socket x female thread
PVC-U non-return valve transparent glue socket x female thread
PVC-U non-return valve transparent <strong>2 female threads
PVC-U non-return valve transparent 2 female threads
PVC-U non-return valve transparent <strong>female x male thread
PVC-U non-return valve transparent female x male thread
PVC-U non-return valve transparent <strong>2 male threads
PVC-U non-return valve transparent 2 male threads
PVC-U non-return valve transparent <strong>2-way hose nozzle
PVC-U non-return valve transparent 2-way hose nozzle
Rückschlagventil mit Kugel
PVC-U non-return valve <b>ball single union glue socket
PVC-U non-return valve ball single union glue socket
PVC-U non-return valve <b>ball 2-way glue socket
PVC-U non-return valve ball 2-way glue socket
PVC-U non-return valve <b>ball solvent socket x female thread
PVC-U non-return valve ball solvent socket x female thread
PVC-U non-return valve <b>ball 2 female threads
PVC-U non-return valve ball 2 female threads
PVC-U non-return valve <b>ball female x male thread
PVC-U non-return valve ball female x male thread
PVC-U non-return valve <b>ball 2 male threads
PVC-U non-return valve ball 2 male threads
Rückschlagventil transparent mit Kugel
PVC-U non-return valve, <b>ball</b>, transparent, <b>, single, union, glue socket
PVC-U non-return valve, ball, transparent, , single, union, glue socket
PVC-U non-return valve, <b>ball valve</b>, transparent, <b>, double glue socket
PVC-U non-return valve, ball valve, transparent, , double glue socket
PVC-U non-return valve, <b>ball</b>, transparent, <b>, solvent socket x female thread
PVC-U non-return valve, ball, transparent, , solvent socket x female thread
PVC-U non-return valve, <b>ball valve</b>, transparent, <b>, 2 female threads
PVC-U non-return valve, ball valve, transparent, , 2 female threads
PVC-U non-return valve, <b>ball</b>, transparent, <b>, female- x male thread
PVC-U non-return valve, ball, transparent, , female- x male thread
PVC-U non-return valve <b>ball</b> transparent <b>2 male threaded connections
PVC-U non-return valve ball transparent 2 male threaded connections
Schrägsitz Rückschlagventil, geeignet für Abwässer mit oder ohne Fäkalien
PVC-U slanted seat check valve glue socket
PVC-U slanted seat check valve glue socket
PVC-U slanted seat check valve transparent glue socket
PVC-U slanted seat check valve transparent glue socket
PVC-U slanted seat check valve, internal thread
PVC-U slanted seat check valve, internal thread
Rückschlagklappe mit und ohne Feder, mit und ohne Montagesatz
PVC-U non-return valve <b>without</b> spring
PVC-U non-return valve without spring
PVC-U Swing check valve <b>without</b> spring with mounting set <b>galvanized </b>
PVC-U Swing check valve without spring with mounting set galvanized
PVC-U swing check valve <b>without</b> spring and mounting kit <b>V2A stainless steel
PVC-U swing check valve without spring and mounting kit V2A stainless steel
PVC-U Swing check valve <b>with</b> spring
PVC-U Swing check valve with spring
PVC-U swing check valve <b>with</b> spring and mounting set <b>galvanized
PVC-U swing check valve with spring and mounting set galvanized
PVC-U swing check valve <b>with</b> spring and mounting kit <b>V2A stainless steel
PVC-U swing check valve with spring and mounting kit V2A stainless steel
PP swing check valve - springless
PP swing check valve - springless

PP foot valve non-return valve with suction strainer, vertical

PVC-U transparent non-return valve NETVITC SYSTEM

PVC-U non-return valve with diaphragm hose nozzle

The non-return valve is installed in the return line (suction side) between the skimmer and the sand filter system if the sand filter system is higher than the water surface, e.g. in a garden shed. In this way, the non-return valve prevents the suction line from running dry if the pump stops or fails.

Do not install a non-return valve directly behind the pump, as otherwise turbulence from the pump can lead to noise in the valve. Distance after pump at least 5x pipe cross-section. If possible, remove trapped air upstream of the non-return valve, as this can collect in the valve and also cause increased noise and turbulence in the volume flow.


Wohin mit dem Rückschlagventil?

If the valve is not the correct size and the maximum flow capacity of the valve does not exactly match the flow rate of the system, chattering may occur.

Chattering can also occur if the valve is operated at an inlet pressure close to its opening pressure.

Do not install a non-return valve directly downstream of the pump, as otherwise turbulence from the pump can lead to noise in the valve. Distance after pump at least 5x pipe cross-section. If possible, remove trapped air upstream of the non-return valve, as this can collect in the valve and cause increased noise and turbulence in the volume flow.

Unfortunately, most pump shafts, professional or self-built, are not very suitable for silent operation, as there is little space and a bracket usually has to be installed quickly before the non-return valve is installed. The resulting turbulence can lead to noise development due to the disturbed volume flow.