Gases are essential parts of many scientific processes, and they require careful management. Technicians must avoid low and high pressures and volumes of their gases. Otherwise, they could ruin their project or even blow it apart. Here is how to choose a gas regulator that fits your needs.
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The first step in choosing a gas regulator is knowing the exact type of gas you will use. Whether you use one gas or a mixture, you should understand what you pump through a gas regulator. Your specialty gases need careful monitoring and evaluation while flowing through a system. Each gas reacts slightly differently in certain pressure and temperature situations, so it's essential to have regulators that can withstand the gas you use.
When using specialty gases or any other kind of gas, you will push them through the system under certain pressures. Gas regulators rely on their structural integrity to hold back flowing gases. When you totally shut off the flow, you'll need a regulator that can withstand the pressure building behind the closed gate. That's why knowing your planned inlet and outlet pressures is so vital'too much can break the regulator.
How you apply the gas regulator will change the type you need. There are two main kinds that offer slightly different results: single and dual stage. Single stage regulators reduce pressure in one step within a specific range. However, there will be a slight variation in pressure delivery. Due to this change, you should only use a single stage regulator if you don't need constant outlet pressure or if the inlet pressure is constant.
Dual stage regulators offer pressure reduction in two steps instead of one. This added layer ensures a steady delivery pressure that remains constant even while the cylinder pressure drops. Since this option offers greater accuracy in pressure control, dual stage gas regulators are the better option for those needing precise delivery the entire way through.
Knowing how to choose a gas regulator is critical to the success of every scientific and engineering endeavor. If you have any more questions, reach out to us as Mesa Gas, your solution for all specialty gas needs.
A gas regulator controls the overall amount of pressure in a combustible gas line. There are two basic types of gas regulators: one used with natural gas; the other with propane.
Safe, efficient operation of all gas appliances requires low gas pressure. To obtain the right pressure it is critical to size the gas regulator correctly. If the gas regulator is too large, too much gas can flow into the appliance potentially causing an explosion. If too small, the appliance will not operate efficiently. At worst, it won't operate at all.
Think safety before sizing a gas regulator. Size the gas regulator according to the gas inlet pressure. For this information, contact your local gas company to find out where the inlet pressure is listed. Most of the time, it's on the main gas meter for your home, but contact them directly to be sure.
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Get the specifications included with operational instructions for the gas appliance. The specs should include British Thermal Unit (BTU) or the Standard Cubic Foot (SCF) for gas consumption. Read the outlet pressure required for the appliance and size the regulator, according to both the inlet and outlet gas pipe diameter. Most cases require that the inlet and outlet pipe diameters be the same. Designate which type of gas you are connecting to, natural gas or propane.
To summarize, before buying a gas regulator you need to know the following:
Know and follow all local utility regulations when sizing a gas regulator as many local authorities require an inspection before the gas can be turned on for appliance operation.
Regulators are grouped in accordance with how fast they release gas to an appliance so there is a wide variation in size and shape of gas regulators. Though they have many different uses, there are two main types: high pressure and low pressure regulators.
High pressure regulators are designed to allow gas entering from a cylinder to do so at great force, then reduce the level and bring it to a level suitable for the appliance. They are often used with appliances that require powerful, concentrated heat output, including:
Low pressure regulators are used with appliances that require a steady heat output. These include:
It is very important to know the application and any special expectations before buying and sizing a gas regulator. The materials used in a high pressure steam application will differ significantly when compared to a low pressure natural gas application. Are you locating the regulator indoors or outdoors? If indoors, will it be somewhere that noise may be an issue?
Be sure you have all the right information to properly size the regulator for the job it's meant to do. For more advice or more information on sizing a gas regulator, get in touch with Hanover Supply Company today.
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