Capricorn Non Return Valve Single Flap
Fits Pipe Diameter: 160mm
Dimensions: Length: 340mm, Width: 235mm, Height: 260mm
MPN: 9-5000-160-00-03-11
Capricorn Non Return Valve Single Flap should be used for rainwater and grey water not containing faeces.
Single flap made of plastic with a stainless steel sheet on the back to protect plastic against rodents, plus EPDM seal round flap.
Made of high-quality ABS material, which guarantees thermal stability and chemical resistance to various substances in sewage sludge.
Extensively tested for safety and conform to PN EN 13564 standard.
Special design of the body minimizes the risk of solid wastes accumulating and blocking inside the valve.
EN certified Back Flow  (*Backwater) Non Return Valve effectively secure any rooms located on the lower floors against flooding caused by back flow of storm water and sewage via the drain systems.
Back flow may be caused by intense rains, thaw or floods.
Backwater valves are installed in horizontal sewage pipes before they exit a building or sewage drain outside the building before its connection to an external network. They are also installed in inspection chambers made of concrete or plastic.
* "Backwater” means back flow of fluids due to a blockage in the sewer
Back Flow valves also help preventing* access of rodents to houses through sewage pipes.
Capricorn and Karmat does not give 100% guarantee of protection against access of rodents to houses.
Equipped with an automatic closure mechanism, which automatically closes the device in case of reverse of sewage.
Reliable and maintenance-free operation,
Equipped with manual emergency closure mechanism,
Effectively prevent unpleasant smells from getting into a building, in case of plumbing not being used for a longer period of time,
Easy disassembly of the cover allows a valve to be checked twice a year for proper operation.
 
INSTALLATION INSTRUCTIONS
 
1. The Type 1, Type 2 and Type 4 Backwater Valve (to PN-EN 13564-1 standards) should be installed in places where sanitary fixtures are installed below the maximum emergency sewage level in an external sewage system.
The backwater valve can also be installed in horizontal sewage pipes within the building or in inspection chambers outside the building.
The valve should be installed in visible, easily accessible places.
Do not cover with concrete
2. In order to keep the connections between pipes and the valve tight, care should be taken to make sure that both the gasket and the space under the gasket are free of any impurities (e.g. sand).
3. It is recommended that the gasket should be lubricated with an agent allowing pipes to be easily connected with the backwater valve.
 
MAINTENANCE:
 
Maintenance of the backwater valve involves only keeping the cleanout clean inside. It is recommended that the interior of the valve be cleaned in spring and autumn. The valve needs no special lubricating, i.e. no mineral/synthetic lubricating oils and greases are needed.
 
CLEANING INSTRUCTIONS:
 
1. Unscrew the screws (5) by a half turn diagonally until each screw is fully unscrewed.
2. Remove the lid (2).
3. Remove the return flap/s.
4. Clean the backwater valve removing any impurities.
5. After cleaning, insert the flap/s (6).
6. Before putting on the lid, replace the gasket with a new one (4).
Put the lid (2) on the cleanout (1).
7. Insert the screws into the holes in the lid (2). Tighten the screws by half turn