Gas Regulators
We have inventory from some of the best manufacturers in the industry.
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How Does a Gas Regulator Work?
One of the best ways to learn how something works is to take it apart. In this easy-to-follow video, we disassemble a gas pressure regulator and show you how it works.
We walk through the basics of a Maxitrol regulator, the inlet pressures it’s designed for, and the internal components and their function.
After watching, you should feel familiar with the internal workings of a regulator. Continue reading to learn what information you’ll need to size a regulator correctly for your application. Note: Stromquist does not handle tank regulators for propane (the first regulator in the line), but we do handle downstream propane regulators.
How to Install a Gas Regulator
Matt Koenig with Stromquist & Company walks through the recommended way to install and set up a gas regulator. Many troubleshooting calls we receive are caused by installation issues—not the regulator itself.
By following a few simple steps, you can install the regulator correctly the first time and save time, effort, and money.
Important steps for a successful installation:
- Install a drip leg and strainer to help prevent debris buildup in the line.
- Make sure both the drip leg and strainer are installed upstream of the regulator.
- During leak and pressure testing, relieve pressure from the drip leg or strainer to remove debris.
How to Properly Size a Regulator & What Stromquist Needs
Share these details and we’ll help you select the right regulator for your application.
Inlet Pressure
Available inlet pressure may be given in inches water column, ounces, or pounds.
Outlet Pressure
Desired outlet pressure can also be given in inches water column, ounces, or pounds.
Flow Rate
Often called capacity, flow rate may be expressed in BTU/hr, CFH, or MBH. It’s one of the most critical values.
Pipe Size
Knowing the pipe size helps, but regulators should not be sized by pipe size alone. It often aligns with the pressures and flow you specify.
Type of Gas
Natural gas, propane, or another gas. Gas type affects flow characteristics and regulator selection.
Installation Application
Indoor vs. outdoor installs impact venting and weather protection. The right choice can prevent nuisance service calls later.
Is Your Regulator Going on a Generator?
Generator Applications
If this regulator is being installed for a generator, it is sized differently due to the initial surge of consumption during startup. A generator is essentially a car engine. Car engines expect gasoline (liquid fuel), not natural gas, so the inlet to the generator is sized for liquid fuel and is often too small for natural gas.
Fuel also doesn’t flow into the engine like a gas burner—it pulses into each cylinder. Because of this, we often increase the piping coming to the small inlet and increase the buffer to handle the pulsing effect of the flow to the engine.
When sizing a regulator for a generator, it’s important to know the kW rating of the generator so we can size it correctly with the proper buffer.