Lubricated plug valves

Lubricated plug valves

What are lubricated plug valves?

Valves are an essential part of your home’s plumbing system. Every home will have at least one valve, maybe more. A Lubricated plug valves is a pipe that has been capped with material to prevent dirt or other contaminants from entering the pipe. When no more material can be squeezed through the pipe, it will become restricted and a plug will build up inside. A lubricated valve won’t get clogged because the mechanism inside the Lubricated taper plug valves has oil to keep it moving smoothly and easily. If you have a lot of valves in your house, you may want to install a lubricated plug valve so you don’t have to wrench on each individual one to unblock it.

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Lubricated Plug Valves Specification

Lubricated Plug Valves Material

Lubricated taper plug valves suppliers in UAE

What is the purpose of lubricated taper plug valves?

The main purpose of using Cast iron lubricated plug valves is to prevent clogged valves. The lubrication keeps the seal tight to prevent any dirt or debris from entering the valve. As long as the seal doesn’t become damaged, the valve will work just fine. When no longer able to seal, a plug on a sealed valve will stop functioning and will require a certified plumber to clear it and seal it back up again. Carbon steel lubricated taper plug valve is not as common as valve types that use gaskets as a seal, but if you have a massive house with a lot of valves, you may want to consider installing a lubricated plug valve to prevent clogging.

The carbon steel lubricated taper plug valve uses a lubricant to reduce the friction and seal the ports tightly

What is the most common application of cast iron lubricated plug valves?

Lubricated pressure-balanced plug valves can handle pressures up to 300 PSI. These valves are commonly used in waterlines, water softeners, and fire suppression systems. They come in both taper and ball types and are commonly used in residential applications. The cast iron material is strong and ductile, so it can be applied in high-temperature and high-pressure applications.

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How do I identify lubricated taper plug valves?

Inverted pressure balanced lubricated plug valves are distinguished by a tapered stem that has a small hole at the bottom (see below). A “ball’ plug is one that has a round ball in it. When installing a new valve stem into the pipe, be sure to adjust the stem so that it comes out flush with the other pipes in the wall. This ensures all of the pipes in the wall are sealed, preventing the water from leaking out of any of them.

A217 gr wc9 4 way lubricated plug valve in various end connections including NPT, SW & flanged, check cast iron lubricated plug valve specifications, body material, and price list

How do plug lubricated pressure balanced plug valves seal?

A SS lubricated taper plug valve is made of a rubber O-ring that sits inside a grooved stem. As water pressurizes the system, the stem expands and pushes the rubber O-ring out of the groove. Once water pressure drops, the stem contracts and the O-ring are drawn back into the groove. This creates a seal in the pipe preventing any dirt or debris from entering the valve. This seal works similarly on a ball plug valve. The rubber O-ring sits inside a grooved stem, creating a seal in the pipe.

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How long do lubricated taper plug valves last?

Most plug valves are designed to last for at least 15 years. After that, the seals will wear down, dirt will get into the mechanism and the valve will start to leak. A217 gr wc9 4-way lubricated plug valve can last longer if the valve is mostly closed in the system, or the amount of dirt is less than expected in the system. On the other hand, if the application exposes the valve to extreme conditions, then the valve will last only so long.