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If you are dealing with plumbing pressure problems, the best solution is to install a pressure regulator fitting. A pressure regulator is a device used to reduce and stabilize the pressure in pipes to a safe and manageable level. They’re used to regulate the water pressure, gas pressure, and steam pressure in your home’s plumbing system.

In this blog post, we’ll discuss the different types of pressure regulators available in the market, how they work, and what you need to know before selecting one for your plumbing system.

What Are the Types of Regulator Pressure?

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Traditional Single-Stage Pressure Regulator

A single-stage pressure regulator is a device used to regulate the flow and pressure of gas or liquid in a plumbing system. It reduces high inlet pressure to a lower outlet pressure, ensuring that the system operates efficiently and safely. A traditional single-stage pressure regulator is designed to maintain a constant outlet pressure by adjusting the pressure-reducing spring. It is the simplest and most common type of pressure regulator used in residential plumbing systems.

There are many benefits to using single-stage pressure regulators in plumbing systems. They ensure that high-pressure water or gas does not damage the system, protect appliances from overpressure, and help to control the flow of water or gas through the system. Additionally, they improve the performance of appliances such as water heaters, furnaces, and boilers, by ensuring that they operate at the optimal pressure.

Double-Stage Pressure Regulator

The double-stage pressure regulator is similar to a single-stage regulator, comprising two pressure chambers instead of one, to control the flow of natural gas to your home. The first-stage chamber reduces the incoming pressure, and the second-stage chamber further reduces it before supplying it to the gas appliances.

A double-stage pressure regulator ensures that natural gas is supplied to your home appliances at a low pressure, which is less likely to cause gas leaks, fires, and other safety hazards. It protects your household from spikes in gas pressure and keeps appliances running safely.

Professional plumbers must install the double-stage pressure regulator for it to function appropriately. During installation, plumbers will inspect the gas pipeline and determine whether the natural gas pressure is high enough to require a double-stage regulator. Plumbers will also ensure that the regulator is installed in a spot that is easily accessible for future maintenance.

Differential Pressure Regulator

A differential pressure regulator, also known as a flow control valve, is a device used in plumbing systems to maintain a stable pressure difference between two points. The valve senses the difference in pressure between two points, and it automatically adjusts the valve position to regulate the flow and maintain a constant difference in pressure. Differential pressure regulators are commonly used in large-scale plumbing systems, particularly in heating and cooling systems, as well as industrial hydraulic systems.

Differential pressure regulators typically consist of a diaphragm and a spring assembly. The diaphragm senses the pressure difference across the valve and moves in response, transferring the force to the valve assembly to open or close the valve. The spring assembly provides a constant force on the diaphragm to maintain a desired pressure differential.

In plumbing applications, a differential pressure regulator is installed in the piping system between two points. As the pressure difference between the two points changes, the valve adjusts to ensure that the pressure differential remains constant. This helps to prevent damage to the system and maintains a steady flow of water.

Gate Pressure Regulator

The gate pressure regulator is a type of regulator with a gate valve-like design. It features a threaded stem where the gate seat and stem are positioned. When the gate is screwed down, it moves closer to the seat, reducing the flow of gas. This gate design allows for precise control over the flow rate, making it ideal for use in natural gas and propane systems where precise regulation is crucial.

One benefit of using a gate pressure regulator is that it allows for customization of the pressure output. By adjusting the gate’s position, users can tailor the flow of gas to meet their specific needs. Additionally, gate pressure regulators are reliable and require little maintenance, making them an ideal choice for many applications.

It is worth noting that gate pressure regulators should never be used in water or steam applications. This is because they are designed specifically for gas systems and are not made to withstand liquid or steam pressure. If used in these applications, gate pressure regulators can fail, leading to leaks or, in extreme cases, system failure.

Gate pressure regulators are commonly found in natural gas and propane systems in both residential and commercial settings. They are typically located near the point of entry into the building to regulate the flow of gas coming in. Additionally, they can be found throughout the gas system, controlling the flow rate in different parts of the network.

Pilot-Operated Pressure Regulator

Pilot-operated pressure regulators use the main line pressure as the pilot to control the valve, allowing them to maintain a constant flow rate under varying pressure loads. They work by utilizing two chambers separated by a diaphragm. The pilot chamber fills with the upstream line pressure, exerting a force on the diaphragm in the direction of the downstream pressure. The valve senses the downstream pressure, acting to open or close to maintain the desired setpoint.

One unique advantage of a pilot-operated pressure regulator is its superior accuracy and control. By using a diaphragm and control valve in addition to the main spring, it can precisely regulate the downstream pressure despite fluctuations in the upstream line pressure. Pilot-operated pressure regulators can adjust quickly to changes in flow rate, providing the necessary pressure control to prevent damage to the plumbing system or equipment.


Selecting the right type of pressure regulator for your plumbing system is crucial. Choose a pressure regulator type that suits your needs, whether it’s for a residential, commercial, or industrial system.

You should also ensure that the pressure regulator is correctly installed and maintained to ensure efficient and long-term operation. By understanding the different types of pressure regulators and their applications, you can make an informed decision about which one to purchase.

A correctly installed pressure regulator can prevent damage to your plumbing system that might cost you more money to repair. So make sure that you choose a durable and reliable pressure regulator that is compatible with your plumbing system.

If you’re looking for reliable plumbing solutions, then look no further than Guardian Plumbers. Our team of expert plumbers provides installation and replacement services for pressure regulators of all types. We understand the importance of having a properly installed and well-maintained regulator to ensure the efficient operation of your plumbing system and prevent costly damages.


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It doesn’t matter when these problems pop up, whether it’s the middle of the night or a weekend or holiday. If you need a plumbing company that can resolve your issues immediately, you need to call the 6 days a week availability plumbers at Guardian Plumbers.

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