Water Pipe Gate Valve

This is quite a common type of valve on main water pipes.

Water pipe gate valve. A gate valve is a multiturn valve meaning that the operation of the valve is done by means of a threaded stem. Split wedge or parallel disks gate valve. The familiar outdoor spigot for a garden hose offers an example of a gate valve. These gate valves are ideal for refinery chemical and other process applications.

The gate valve provides a good shutoff. They are often used with larger pipe diameters of two inches and up. Gate valves are used in almost all fluid services such as air fuel gas feedwater steam lube oil hydrocarbon and all most any services. Because ball valves can open and close immediately they are more likely than gate valves to cause water hammer.

A gate valve describes the mechanism by which the valve is opened and closed. When a valve is quickly closed on water moving at high pressure through pipes it can cause shock waves through the plumbing that create a hammering sound. These valves meet nsf ansi 61 which means they re safe to use with drinking water systems. Cast iron gate valves flange.

Odv getty images. Pipe usp0 series resilient wedge gate valves have features to make them easier to operate preserve sealing capability and interior coating integrity for many years of reliable service. Internally these valves have a ball with a hole in the middle which is connected to a lever type outer handle. Certified for use in potable water applications these valves feature nonrising stems that are ideal for use in areas with limited vertical space.

Flexible wedge gate valve. Gate valves allow customers to control the rate of the flow of water such as slow trickles as opposed to the full flow but do not provide an immediate stop. Under high enough pressure water hammer can cause a pipe to weaken and break. Click on the image given below to learn about following types of gate valves.

You can typically control flow with a knob but it s harder to know if the valve is open or closed. Gate valves are similar operating when the water or other fluid lifts the gate out of the way so it can pass. When the handle is parallel to the water supply pipe the valve is. To turn a gate valve on or off a circular handle is turned to raise or lower a metal gate inside the valve body.

Like gate valves a ball valve is designed as an all or nothing valve they should be either fully open to allow full flow or fully closed to stop all water flow. When the valve is off the gate blocks the flow of water. A pressure relief valve is a safety feature found on fixtures like water heaters. They gradually open and close with multiple turns of the wheel handle to prevent system damage from suddenly starting and stopping flow.

Search pipe size valves. The wheel handles are made of cast iron. Solid wedge gate valve.