Reverse water valve - Friend or Foe

Some feel useless box-return valve and even harmful to the plumbing element, say, it reduces the water pressure domestic water system. Let's see!

Brief valve

The main purpose of the valve - water flowing in only one directionHe refers to the shut-off valve.

Technically iron it looks valve spring pressed overlaps an inner diameter through which the water passes. Water moves toward the valve under pressure overcomes the resistance of spring pushes the valve and passes in the water supply system.

at reverse movement of water It helps spring and completely seals the passage of the pipeline, stopping the flow. As you can see a simple and effective automation.

About the spring

The very slight spring force and has a normal water flow must not interfere with, but naturally resists duct.

The coupling valves have both metal and plastic membrane, a metal membrane stiffer springKeep this in mind. I check with your finger himself and choose a softer spring.

Using

The valve is used in complex heating systems and pumping stations, but we will now consider the simple everyday events.

what will

Valve installed after the water meter for hot and cold water supply, not allow overflows between, for example, in a mixer malfunction.

When disconnecting the water will not suck the air in the pipeline and later protect from surge.

Also, at Shutting off the water and Fault subversive valve electric boilerThe valve on the water pipe will not let the water come out of the tank, Exposing the heater, whereby retain boiler.

On submersible pumps will not allow the water to escape back into the well or well.

I note that this article was brief and superficial analysis of the valveWhich has the characteristics and features of the application in a particular case.

But as we see, the check valve us one!Subscribe!

After all, soon I am going to make circuit automatic filling and supply backup supply water for home and garden on the basis of the check valve.