Your Account

Single Stage Stainless Steel Pressure Regulator 300 Barg inlet. 0-10 Barg outlet

£729.00£799.00 Ex. VAT


6.0 grade/purity Gas

Single Stage Stainless Steel

Gas Arc SGS600 Series

Diaphragm Cylinder Mounted Pressure Regulator

FKM seal

Please select which cylinder connector you require from the drop down below. (If you are unsure, or cannot see the connector required – choose ‘Other’ and somebody will be in touch upon order.)



6.o grade/purity Gas
Single Stage Stainless Steel
Diaphragm Cylinder Mounted Pressure Regulator
FKM seal

Designed for primary pressure gas control of corrosive, toxic, or high purity gases up to 99.9999% purity on applications where slight pressure variation from decreasing cylinder pressure is acceptable.

Features – six port configuration, front panel mounting capabilities, encapsulated seat design, low wetted surface area, side entry.

Should you require any variation on the below. Please click here to contact us.

Inlet Pressure Barg


Outlet pressure range Barg [PSI] Pressure Gauge unit Thread on inlet/outlet connections
300 Barg


0-10 Barg


Barg/PSI 1/4″ NPT F


Additional information

Weight N/A

Without, BS3, BS4, BS8, BS14, BS15, OTHER


What is a Cylinder Mounted Pressure Regulator?

A cylinder mounted pressure regulator is a device used to control the pressure of gases coming from a pressurised cylinder. Generally, they reduce high pressure gas or liquid coming from a pressurised cylinder to a lower, safe pressure within a desired range for downstream applications or equipment. By regulating the pressure, these devices ensure a consistent supply of gas, preventing damage and ensuring optimal performance.

Cylinder Mounted Pressure Regulators are commonly used in applications where precise control of gas pressure is essential. They allow the user to safely de-pressurise the gas held in a cylinder and use it in their application. They are widely used in many industries such as welding, healthcare (for medical gases) industrial manufacturing, oil and gas, laboratory/scientific research, and many more.

What are the key features of a cylinder mounted pressure regulator?

The Key components of a cylinder mounted pressure regulator include:

An inlet connection

This is where the pressurised gas enters the regulator from the cylinder. The inlet connection is designed to fit the specific type of cylinder valve used, ensuring a secure, leak-proof connection.

Pressure adjusting handle

This allows the user to adjust the outlet pressure of a gas. By manipulating the handle, the pressure inside the regulator can be increased or decreased as required.

Diaphragm/seat assembly

This responds to changes in pressure and controls the flow of gas through the regulator. When the outlet pressure deviates from the setpoint, the diaphragm moves to open or close the valve against the seat, maintaining the desired output pressure.

Outlet connection

This is where the gas exits the regulator after being controlled to the desired pressure. It is typically equipped with fittings or adaptors to connect it to the next stage of the installation.

Pressure gauges

Many cylinder mounted pressure regulators have built-in pressure gauges that display the inlet and outlet pressures. These allow the user to monitor the system’s pressure and make adjustments accordingly.

Safety Features

Cylinder mounted pressure regulators may also include safety features like pressure relief valves to protect the regular and attached equipment from becoming over pressurised.

How do I select the correct Cylinder Mounted Pressure Regulator for my application?

It is important to select the correct regulator dependant upon the specific requirements of your application, specific gas and equipment. This will ensure both safety and optimal performance. Factors such as inlet pressure, desired outlet pressure, gas or liquid being used, flow rate and purity of gas required, must be considered. If you are unsure which cylinder mounted Pressure Regulator best suits your requirements, click here to contact out knowledgeable experts.

When making an enquiry, it is helpful to explain the type of gas or liquid that your application will use, the inlet pressure, desired working pressure and the flow rate. If you are unsure about this, please take photographs of cylinder labels and your application and we will be able to support from there.

What are the main types of Cylinder Mounted Pressure Regulators available?

Cylinder-mounted pressure regulators are indispensable devices for precise pressure control across a wide range of industries. Their ability to regulate and maintain optimal pressures enhances safety, efficiency, and product quality. By understanding their working principles, applications, and maintenance requirements, industry professionals can make informed decisions when selecting and utilizing pressure regulators, ensuring reliable and safe operations in their respective fields.

Single stage Regulators – They work be reducing the pressure from the cylinder in one step. They are suitable for applications where a consistent outlet pressure is required and the inlet pressure remains relatively consistent.

Dual stage regulators – They provide more precise pressure control by dividing the pressure reduction into two stages. During the first stage, the high-pressure gas is reduced to an intermediate pressure which is then further reduced to the desired outlet during the second stage. They are often used when the application requires stable outlet pressure, even as the cylinder pressure decreases.

The choice between a single-stage and a two stage pressure regulator depends on the specific application requirements, including the desired outlet pressure range, stability needs, and the variability of the inlet pressure. Two-stage regulators are often preferred when precise control of outlet pressure is crucial, especially in applications with fluctuating inlet pressures or where a stable pressure is necessary throughout the life of the gas or liquid source. Single-stage regulators, on the other hand, are suitable for applications with relatively stable inlet pressures and where cost considerations are important.

High Pressure Regulators  are designed to handle and regulate extremely high inlet pressures.

Low Pressure regulators are designed to provide precise control of low pressure gases or liquids.

Some regulators are designed for specific gases and may have special materials fitting and construction features to ensure compatibility and safe handling of the specific gas.

There are also speciality regulators available for specific applications.

If you are unsure which cylinder mounted Pressure Regulator best suits your requirements, click here to contact out knowledgeable experts.

What Maintenance and Safety Precautions should be followed when using a Cylinder Mounted Pressure Regulator?

When using a cylinder-mounted pressure regulator, it is important to follow maintenance and safety precautions to ensure its proper functioning and to minimize potential risks. Here are some key guidelines to consider:

  1. Regular Inspection. Perform habitual visual inspections of the pressure regulator to check for any signs of damage, wear, or leaks. Look for cracks, corrosion, loose fittings, or any abnormalities. If any issues are detected, discontinue use and have the regulator inspected or repaired by a qualified professional.
  2. Leak Testing. Before connecting the pressure regulator to a cylinder or system, perform a leak test using an appropriate leak detection solution or method. This helps identify any leaks in the connections or fittings. If a leak is detected, tighten the fittings or replace faulty components before proceeding.
  3. Proper Installation. Ensure the pressure regulator is installed correctly according to the manufacturer’s instructions. Follow the recommended procedures for connecting the regulator to the cylinder valve and to the downstream system or equipment. Use appropriate fittings, seals, and thread sealants, if necessary, to ensure a secure and leak-free installation.
  4. Cylinder Handling. Follow proper handling procedures when dealing with cylinders. Securely fasten the cylinder in an upright position, using a cylinder stand or appropriate clamps, to prevent tipping or falling. Always handle cylinders with care and avoid dropping or damaging them.
  5. Pressure Relief. Never block or tamper with the pressure relief valve on the regulator. The pressure relief valve is a safety feature that releases excess pressure if it exceeds the set limit. Blocking or tampering with it can lead to dangerous overpressure situations.
  6. Pressure Ratings. Ensure that the pressure regulator is used within its specified pressure ratings. Do not exceed the maximum inlet or outlet pressure limits indicated by the manufacturer.
  7. Ensure that the area where the pressure regulator is used has adequate ventilation to prevent the accumulation of gases or vapours that may be released during normal operation or in the event of a malfunction.
  8. Ensure that individuals handling and operating the pressure regulator are trained and familiar with its proper use, maintenance, and safety procedures. They should understand how to adjust the pressure, monitor gauges, and respond to any abnormal conditions or emergencies.
  9. Maintenance Schedule. Follow the manufacturer’s recommended maintenance schedule for the pressure regulator. This may involve periodic inspections, cleaning, lubrication, and calibration. Adhere to the maintenance intervals to ensure the regulator’s optimal performance and longevity.
  10. Manufacturers Guidelines. Always follow the specific guidelines and instructions provided by the manufacturer of the pressure regulator. They may provide additional maintenance and safety recommendations specific to their product.

By adhering to these maintenance and safety precautions, you can minimise risks, ensure the reliable operation of the pressure regulator, and maintain a safe working environment.


Click to download