Why do I need a check valve for sewer system and how to install it

Tenants of apartments on the ground floor, especially in older homes, there is one particular nightmare - sewage pouring out of the toilet or bathroom on the floor.This problem should solve the performance of the company, but most often it is limited to one-off tassel, which in the case of cast iron pipes intoxicated ineffective, replace the entire house sewer you have to wait for years.But sleep and go on vacation want today.Secure your apartment from flooding is possible by means of the check valve to drain.

Design and specifications

-return valve is a device that blocks the flow of waste water back into the apartment.At the same time, all the waste water from toilets, sinks and other instruments pass through it freely.An additional advantage - through the valve can not penetrate the rodents that live in the sewers.

We have a valve receiving and releasing connections.Inside the ball is set to air if the water will rise from the sewers, it presses on the membrane which will block the camera inside the valve, and the fluid path is blocked.In addition, the valve block (for example, long before departure) is possible by means of the valve, and the drains of the apartments also will not go down the drain.For cleaning and maintenance of the valve in its housing provided with an opening closed by a lid.Valves vary in diameter from 50 mm to be installed under the sink or washing machine, up to 110, designed for installation in sewage pipes.Device is selected based on the size of pipes, in which they will be installed.Modern check valves made from polypropylene or polyvinyl chloride as plumbing pipes.

valve Installation: place the rules and intricacies of

The apartment can be set one check valve high capacity directly to the sewer pipe or a few medium-sized for each sanitary unit.The second option can be used when installing the valve diameter of 110 mm in close toilet is not possible, so it's pretty bulky design.

valve is easiest to integrate into the sewage system in the repair of apartments, but it is possible and in a running system.Place for him to be selected so as to be able to access for regular (once a year) of service.Before mounting the device to check it for leaks and that the necessary adapters.

Before installing plumbing need to inform the service organization and cut off the water at the entrance, as well as to warn residents about the impossibility of proper sanitation for some time.The work should be carried out as quickly as possible, as the riser may be no more than 2 hours without sanitation.

himself a check valve must be placed horizontally only.water current flowing through the valve must match the arrow on his body, that is, the arrow should point to the manifold or riser - is the key to proper operation.

If during operation there was noise, it may indicate a violation of the integrity of the valve or debris gets under it.It is necessary to open the valve and clean or replace the valve, since such damage makes the valve unable to cope with his task.

valve for sewer - not a panacea, it is good as a temporary measure.Waste water will rise above flood the neighbors above and to leak through the ceiling in the worst case scenario.With regular clogged sewer is necessary to achieve expertise and work on its major overhaul or replacement.If the same problem in the upstairs neighbor, constantly descends hygiene products, bags and other large debris into the toilet, and explanations do not help, install a check valve do a good job.