PP Butterfly Valve

It takes some simple tools for these repairs, namely a shovel, PVC pipe saw, PVC glue and primer as well as the parts needed for each job. Once that is done follow the directions on the primer and glue to prepare the parts for reassembly.

Repairs to broken fittings are harder to deal with because you sometimes have to cut out good fittings and rebuild the section. The main way is in the choice of parts for the
repair. After clearing enough room to work on the pipe you need to measure the area to be repaired. Before getting to frustrated with how to find the cause there are two main
suspects to check. A valve that fails to activate is a sign that the solenoid is bad or that there is a wire problem.

While these are the most common causes of problems they are not the only ones. If the solenoid is buzzing but the station stays off the solenoid is most likely bad and should be replaced. While most of these repairs will require some digging there are some way's to cut down on the amount needed. Simply touching the wires to the contact points will cause the solenoid to click if power is present.

At this point I will mention that one of the simplest tools I use for testing wiring is one of rain birds encapsalated solenoids. The next thing to check is if
there is power to the solenoid of the valve. The first is all the wire connections.

A harder problem to deal with is a station that fails to come on. This works for both wiring and clock terminals. Here is where one of those parts I mentioned comes in.

Valve problems are a little easier to pinpoint the cause. The part is called a slip fix or expansion coupler although it can go by
other names. In the first case replacing the diaphragm can sometimes cure the trouble but replacing the valve is always a possibility.

The easiest repair to deal with is a cracked or broken pipe in a strait PP Butterfly Valve section. I hope these answers will give you a starting point in
dealing Double Union Diaphragm Valve with your sprinkler system. If the slip fix does not span the full area of the repair, a section of pipe and another coupler may be needed.

Expand the slip fix and measure the exact distance that needs to be cut from the pipe and replaced by the slip fix. All the repairs discussed in this article are for PVC systems, gallivanted pipes will be covered at another time. Even in the best conditions corosion or rodents can break a connection. Water seeping from a head or a valve that will not shut off are a sign that the diaphragm
in the valve is the trouble.

This is fairly common when fittings such as tees and elbows are set close together. When everything is ready cut out the broken section of pipe.
If the solenoid is silent there is probably a broken wire. It can also be a problem when replacing valves or an adaptor to those valves