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Non-Return Valves

You are viewing results 1 to 31 of 31
Backwater Non Return Anti Flooding Valve - 50mm - Version A
Backwater Non Return Anti Flooding Valve - 50mm - Version A
Backwater Non Return Anti Flooding Valve - 50mm - Version A Anti flood non return...
Our price: £29.95
Backwater Non Return Anti Flooding Valve - 50mm - Version B
Backwater Non Return Anti Flooding Valve - 50mm - Version B
Backwater Non Return Anti Flooding Valve - 50mm - Version B Anti flood non return...
Our price: £29.95
Drainage Flap Valve / Anti flood valve - 110mm
Drainage Flap Valve / Anti flood valve - 110mm
Drainage Flap Valve - 110mm Drainage flap valves are designed to protect rooms on lower levels against flooding caused by backflow of storm water and sewage. Effectively protect...
Our price: £49.95
Underground drainage - 110mm - Non return valve / Anti flood valve - spigot tail - with lockdown lever
Underground drainage - 110mm - Non return valve / Anti flood valve - spigot tail - with lockdown lever
Backwater Valve - anti flooding device An anti flooding device for use in horizontal pipes. The unit closes the pipeline automatically when backflow occurs. Protects effectively against: ~...
Our price: £59.95
Underground drainage - 110mm - Non return valve / Anti flood valve - spigot tail - without  lockdown lever
Underground drainage - 110mm - Non return valve / Anti flood valve - spigot tail - without lockdown lever
Spigot tail The high quality polypropylene non return valve is an anti flooding device for use in horizontal pipes. The unit closes the pipeline automatically when backflow occurs. The...
Our price: £49.95
Watertight Non Return Valve / Anti Flood Valve - 110mm
Watertight Non Return Valve / Anti Flood Valve - 110mm
Watertight Non Return Valve - 110mm Initially the non return valve was developed to help combat flooding problems in the UK - 5.2 million properties at risk of flooding in England -...
Our price: £72.95
Watertight Non Return Valve / Anti Flood Valve - 110mm - For clay, salt glazed or concrete pipe only
Watertight Non Return Valve / Anti Flood Valve - 110mm - For clay, salt glazed or concrete pipe only
Watertight Non Return Valve - 110mm - For Clay, salt glazed or concrete pipe only Initially the non return valve was developed to help combat flooding problems in the UK -5.2 million...
Our price: £72.95
Vertical Backwater Non Return Valve / Anti Flood Valve - 110mm
Vertical Backwater Non Return Valve / Anti Flood Valve - 110mm
Vertical non return backwater valve - 110mm All backwater valves available on the market are...
Our price: £59.95
Underground drainage - 110mm - Double flap non return valve / anti flood valve - with lockdown lever
Underground drainage - 110mm - Double flap non return valve / anti flood valve - with lockdown lever
Underground drainage - 110mm - Double flap non return valve / anti flood valve - with lockdown lever An anti flooding device for use in horizontal pipes. The unit closes the pipeline...
Underground drainage - 110mm - Double flap non return valve / anti flood valve - with lockdown lever - version 2
Underground drainage - 110mm - Double flap non return valve / anti flood valve - with lockdown lever - version 2
Underground drainage - 110mm - Double flap non return valve / anti flood valve - with lockdown lever - Version 2 An anti flooding device for use in horizontal pipes. The unit closes the pipeline...
Our price: £79.99
Drainage Flap Valve / Anti Flood Valve - 160mm
Drainage Flap Valve / Anti Flood Valve - 160mm
Drainage Flap Valve - 160mm Drainage flap valves are designed to protect rooms on lower levels against flooding caused by backflow of storm water and sewage. Effectively protect...
Our price: £59.95
Underground drainage - 160mm - Non return valve / Anti flood valve - spigot tail - with lockdown lever
Underground drainage - 160mm - Non return valve / Anti flood valve - spigot tail - with lockdown lever
Spigot tail The pvc non return valve is an anti flooding device for use in horizontal pipes. The unit closes the pipeline automatically when backflow occurs. The option exists to lock the valve in...
Our price: £79.95
Underground drainage - 160mm - Non return valve / Anti flood valve - spigot tail - without  lockdown lever
Underground drainage - 160mm - Non return valve / Anti flood valve - spigot tail - without lockdown lever
Spigot tail The high quality polypropylene non return valve is an anti flooding device for use in horizontal pipes. The unit closes the pipeline automatically when backflow occurs. The...
Our price: £69.95
Watertight Non Return Valve / Anti Flood Valve - 160mm
Watertight Non Return Valve / Anti Flood Valve - 160mm
Watertight Non Return Valve - 160mm Initially the non return valve was developed to help combat flooding problems in the UK -5.2 million properties at risk of flooding in England ...
Our price: £89.95
Underground drainage - 160mm - Double flap non return valve / anti flood valve - with lockdown lever
Underground drainage - 160mm - Double flap non return valve / anti flood valve - with lockdown lever
Underground drainage - 160mm - Double flap non return valve / anti flood valve - with lockdown lever An anti flooding device for use in horizontal pipes. The unit closes the pipeline...
Underground drainage - 160mm - Double flap non return valve / anti flood valve - with lockdown lever - version 2
Underground drainage - 160mm - Double flap non return valve / anti flood valve - with lockdown lever - version 2
Underground drainage - 160mm - Double flap non return valve / anti flood valve - with lockdown lever - Version 2 An anti flooding device for use in horizontal pipes. The unit closes the pipeline...
Our price: £99.99
Underground Drainage - 200mm - Non return valve / Anti flood valve - spigot tail
Underground Drainage - 200mm - Non return valve / Anti flood valve - spigot tail
Spigot tail The pvc non return valve is an anti flooding device for use in horizontal pipes. The unit closes the pipeline automatically when backflow occurs. The option exists to lock the valve in...
Our price: £89.99
Drainage Flap Valve / Anti Flood Valve - 200mm
Drainage Flap Valve / Anti Flood Valve - 200mm
Drainage Flap Valve - 200mm Drainage flap valves are designed to protect rooms on lower levels against flooding caused by backflow of storm water and sewage. Effectively protect...
Our price: £69.95
Underground Drainage - 250mm - Non return valve / Anti flood valve - spigot tail - with locking lever
Underground Drainage - 250mm - Non return valve / Anti flood valve - spigot tail - with locking lever
Spigot tail The pvc non return valve is an anti flooding device for use in horizontal pipes. The unit closes the pipeline automatically when backflow occurs. The option exists to lock the valve in...
Our price: £359.95
Underground Drainage - 300mm - Non return valve / Anti flood valve - spigot tail - with locking lever
Underground Drainage - 300mm - Non return valve / Anti flood valve - spigot tail - with locking lever
Spigot tail The pvc non return valve is an anti flooding device for use in horizontal pipes. The unit closes the pipeline automatically when backflow occurs. The option exists to lock the valve in...
Our price: £499.95
Underground Drainage - 400mm - Non return valve / Anti flood valve - spigot tail - without locking lever
Underground Drainage - 400mm - Non return valve / Anti flood valve - spigot tail - without locking lever
Spigot tail The pvc non return valve is an anti flooding device for use in horizontal pipes. The unit closes the pipeline automatically when backflow occurs. The non return valve is a simple...
Our price: £819.95
Underground Drainage - 500mm - Non return valve / Anti flood valve - spigot tail - without locking lever
Underground Drainage - 500mm - Non return valve / Anti flood valve - spigot tail - without locking lever
Spigot tail The pvc non return valve is an anti flooding device for use in horizontal pipes. The unit closes the pipeline automatically when backflow occurs. The non return valve is a simple...
Our price: £1,259.00
Underground Drainage - 600mm - Non return valve / Anti flood valve - spigot tail - without locking lever
Underground Drainage - 600mm - Non return valve / Anti flood valve - spigot tail - without locking lever
Spigot tail The pvc non return valve is an anti flooding device for use in horizontal pipes. The unit closes the pipeline automatically when backflow occurs. The non return valve is a simple...
Our price: £2,099.00
Underground Drainage - 250mm - Norham GRP Non return valve / Anti flood valve
Underground Drainage - 250mm - Norham GRP Non return valve / Anti flood valve
Norham 250mm GRP non return valve This GRP non return valve is designed for connection to any pipe material using Mission Rubber standard couplings and bushes. Advantages Resistant to 1bar...
Underground Drainage - 315mm - Norham GRP Non return valve / Anti flood valve
Underground Drainage - 315mm - Norham GRP Non return valve / Anti flood valve
Norham 315mm GRP Non Return Valve This GRP non return valve is designed for connection to any pipe material using Mission Rubber standard couplings and bushes. Advantages: Resistant to...
Underground Drainage - 400mm - Norham GRP Non return valve / Anti flood valve
Underground Drainage - 400mm - Norham GRP Non return valve / Anti flood valve
Norham 400mm GRP Non Return Valve This GRP non return valve is designed for connection to any pipe material using Mission Rubber standard couplings and bushes. Advantages: Resistant to...
Underground Drainage - 500mm - Norham GRP Non return valve / Anti flood valve
Underground Drainage - 500mm - Norham GRP Non return valve / Anti flood valve
Norham 500mm GRP Non Return Valve This GRP non return valve is designed for connection to any pipe material using Mission Rubber standard couplings and bushes. Advantages: Resistant to...
110mm PVC - PVC Flexible Pipe Coupling
110mm PVC - PVC Flexible Pipe Coupling
110mm rubber flexible coupling for connecting PVC Pipework Size range 100mm to 115mm Typical applications; 110mm PVCu 100mm cast iron (soil) 100mm cast iron (SMU/ESIGN/SML) 100mm...
Our price: £9.39
110mm PVCu Drain Adaptor Coupling
110mm PVCu Drain Adaptor Coupling
Eazisleeve adaptor for connecting to... 4 inch salt glazed ware 100mm Supersleve 100mm Vitrified Clay (S.G.W.) Fitch fibre 100mm Asbestos cement 100mm 110mm PVCu 100mm cast iron (soil and drain)...
Our price: £10.26
160mm PVC - PVC Flexible Pipe Coupling
160mm PVC - PVC Flexible Pipe Coupling
160mm rubber flexible coupling for connecting PVC Pipework Size range 150mm to 165mm Tighten to: 6Nm Complete with 2 jubilee clips to tighten.
Our price: £12.99
160mm PVCu Drain Adaptor Coupling
160mm PVCu Drain Adaptor Coupling
Eazisleeve adaptor for connecting 160mm PVCu Pipe to... 150mm Supersleve 150mm Vitrified Clay (S.G.W.) 150mm Ductile Iron 175mm Cast Iron (SMU/ENSIGN) 160mm UPVC Size Range: (d 3 mm) 144mm -...
Our price: £14.68
You are viewing results 1 to 31 of 31

The pvc non return valve is an anti flooding device for use in horizontal pipes. The unit closes the pipeline automatically when backflow occurs. The option exists to lock the valve in the closed position for added security. This would ensure that no through drainage would be allowed. 
 
For installation...
 
1. Ensure the valve is set horizontally as it already has a built in fall.
2. Ensure that the unit is installed in accordance with the direction of flow as
    indicated by the arrow on the cover.
3. Ensure that the handle is set in the 'open' position to allow discharge to
    pass through it.
 
For maintenence...
 
The emergency closure device should ideally be tested once every six months. In case of dirt and deposits, remove the cover, clean the parts and gaskets.
 
Please ensure the terms and conditions of contract are read and fully understood prior to any order.
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