Selecting The Right CNG Valves

Gases are classified as inert, oxidizer or flammable gases. The property of an oxidizer gas is that it is not flammable but contributes to the combustion reaction. Inert gases do not react with other material nor do they aid in combustion. Flammable gases burn or explode when reaction with oxygen.

CNG or compressed natural gas, methane or ethane is a hydrocarbon based flammable gas. CNG like most commodities can be easily stored for a long period of time. It is normally stored in underground storage facilities and transported in the tank.  CNG is required to be transported to diverse locations for various uses. 

Compressed gas valves are used in pipelines to allow or stop the flow of the gas. The compressed gas valve is used to restrict the flow if pipe repair and maintenance is to be carried out. 

How to select the right valve CNG valve

Compressed Natural Gas (CNG) Valves

CNG valves are specifically designed for use with this flammable gas. When you are searching for a valve look for the following key features:

• Choose a compressed gas valve that is manufactured by an automated assembly process
• It is 100% tested for helium leak
• Forged brass, heavy duty body is necessary for durability and safe working under high pressure
• The metal to metal seat below the bonnet provides excellent flow characteristics

Types of CNG valves

As per the design specifications, there are different types of compressed natural gas valves that are widely used in CNG applications. The two types of valves are:

• For working pressure up to 3000 PSI
• For working pressure above 3001PSI to 6000 PSI

The body and bonnet of high quality compressed gas valve are usually made from brass, some models may be chrome plated.  The handwheel is either made from aluminum or steel, while the lower plug can be made from brass or nylon. The stem should be made of brass and the backup O ring of PTFE. These features are the basic in good quality cng valves that offer safety and reliability.

Applications of CNG valves

Chrome plated CNG valves are used in service of methyl fluoride, ethylene, natural gas. The valves are designed to function at different temperatures and pressures for all the gas services. Depending on the utility and functionality of the valve, one can select the inlet and outlet size. 

With leading portals like JTC valve sales, there is no need to go shopping to stores when you can find all that you require right here. With the widest range of gas regulator and valves for the cryogenic and gas industry, easily find the valve you are searching for that too at the most competitive price.

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