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26.04.2022

Propane regulators and natural gas regulators are not interchangeable, though they both operate in the same fashion. A natural gas regulator is comprised of five components: set screw, spring, rod, diaphragm and valve.

Are all pressure regulators the same?

Are All Gas Grill Regulators the Same? Every propane gas grill uses an LP regulator, but not all regulators are created equal. Though the purpose is the same, different types of setups require different types of regulators. The type of regulator a grill needs is based on the specific propane application requirements.

Are propane and LPG regulators the same?

Please note that Propane gas cylinders contain considerably greater pressure than Butane cylinders and as a result, regulators are designed for use with either Propane or Butane and are not interchangeable because of their different design pressures and the different connections on the cylinder itself.

Can I use any gas regulator?

Each regulator is designed to fit a specific type of cylinder valve and a regulator that fits one type of valve will not fit any of the others. The valve on Propane cylinders has a screw thread and only accommodates Propane regulators.

How many PSI is a gas grill regulator?

How many PSI is a BBQ regulator? Generally, propane pressure should be between 100 and 200 psi ensures that the liquid propane gas remains in a liquid state.

Are Calor Gas and flogas propane regulators the same?

A. Both Calor and FLOGAS clip-on regulators are low-pressure 21mm. and fully interchangeable.

What regulator do I need for propane?

For your propane tank with fill valve, you most likely need the Camco Horizontal 2-Stage Propane Regulator w/ P.O.L – 160,000 Btu/Hr # CAM59333. This will have the 1/4 inch NPt inlet and the 3/8 NPT outlet and will maintain a constant 11 inch water column propane pressure for your vent-less heater.

Can you use butane instead of propane?

Can I switch from Butane to Propane? … Propane operates at a higher pressure than Butane so it is not possible to use a butane regulator on a propane cylinder and vice versa.

Pressure Regulators – Design Principles, Types and applications
A pressure regulator is a device which controls the pressure of liquids or gases (medium) by reducing a high input pressure to a controlled lower output pressure. They also work to maintain a constant output pressure even when there are fluctuations in the inlet pressure.

Pressure regulators, in various forms, are used in many domestic and industrial applications, like regulating propane used in gas grills, to regulate oxygen in healthcare equipment, to supply compressed air in industrial applications, to regulate fuel in automotive engines and aerospace applications. The main aspect that is common across all these applications is pressure control – from a higher source pressure to a lower output pressure.

Spring loaded poppet valves are commonly used as a pressure reducing element. Poppet valves have elastomeric sealing in regular applications and a thermoplastic sealing in high pressure applications. This seals the valve seating against any gas or fluid leakage. The poppet valve is controlled by the spring force to open the valve and let the medium flow from inlet to outlet. As there is a rise in output pressure, the poppet valve closes due to the force generated by the sensing element, which overcomes the spring force.
Pistons are normally used for high pressures, rugged applications and applications where wider tolerances on the outlet pressure are acceptable. They tend to be sluggish due to friction between the pinion sealing and regulator body.

For higher accuracy, a diaphragm type of sensing element is suitable. They are made of elastomer or a thin disc type of material which is sensitive to changes in pressure. Diaphragms tend to have lower friction than piston type designs. They also provide a higher sensing area, for a given regulator size.

Pressure and Gas Type
The two LPGes, Butane and Propane, are very similar, and consequently many domestic appliances (e.g. most domestic cookers) are designed to run on either gas, but the standard supply pressure is somewhat different for each gas to accommodate the differences in the characteristics of the two gases. In the case of Butane, the standard supply pressure is 28 mbar (11" water gauge) and for Propane it is 37 mbar (14" water gauge) - regulators that supply either of these pressures are called "low pressure regulators". The appliance itself will have a badge on it identifying what gas and what pressure it is designed for. There are some appliances (not many) designed to work on considerably higher pressures and these use "high pressure regulators", and again these are clearly marked with what gas and what pressure they are designed for.

Each regulator is designed to fit a specific type of cylinder valve and a regulator that fits one type of valve will not fit any of the others. The valve on Propane cylinders has a screw thread and only accommodates Propane regulators.

Butane is supplied by Flogas under two brands, Flogas and Ergas. The Flogas Butane cylinders are yellow and always use a "Jumbo" valve. There are two types of Ergas Butane cylinders: the orange ones have the same "Jumbo" valve as the Flogas cylinders, but the blue/green cylinders have a much narrower "Compact" valve.

High-pressure regulators have a much narrower nozzle than that fitted to low-pressure regulators and use a much narrower hose (see picture below).

Gas Cylinder Regulators
A gas pressure regulator is a mechanical device which attaches to the delivery valve on the cylinder. The regulator is designed to work at the maximum pressure for a given cylinder and regulate the output- delivery- to a lower pressure for use. They are equipped with safety devices to limit the release rate of gas if a fault occurs. There are two pressure gauges – one on the cylinder side to indicate the contents pressure and the other on the delivery side. There is an adjustment control to set the delivery pressure to the desired level.

Regulators must be subject to regular inspection and replaced every 5 year for non-corrosive gases. The body of the regulator is stamped for date of manufacture. More frequent replacement cycles are required for corrosive gases.

Where a regulator performs the function of 'flow control' and is not regarded as the primary Protective Device, then it will not be regarded as Primary Regualtor and hence will not subject to the 5 year replacement requirement.

Regulators are designed for a specific type of gas – the correct regulator delivering the correct pressure range must be used on the cylinder.

Pressure Regulators: Do I need one?
US Nitrogen Standards

Since May of 2011, our instruments have been designed and engineered to connect directly to a 207 bar/ 3000 psi cylinder. If you bought your instrument prior to this date, the instrument was designed for a US Standard Nitrogen Cylinder. This cylinder is normally delivered with 2500 PSI / 173 Bar pressure or less. You should never need a regulator when operating with either system inside the USA using standard 173 bar service.

Nitrogen Cylinders Outside USA

Since May of 2011 our instruments have been designed and engineered to connect directly to a 207 bar / 3000 psi cylinder. This change was made largely to eliminate the need for a Pressure Regulator. For instruments purchased prior to May of 2011 being used outside of the United States, you should consult your local gas supply (nitrogen) store. Check the local requirements for the use and standards of high pressure gas. A regulator will be needed if the tank pressure is greater than 173 Bar/ 2500 PSI.

Our instruments come with a 6-Foot Filling Hose fitted with a CGA-580 Nitrogen connection (standard for USA) at the end of the hose. Every country has different requirements and possibly different fittings. You may need to buy an adaptor or change the nitrogen fitting for service in your area. We might carry your local fitting in stock. Please contact us directly to check if we carry your nitrogen fitting.

If you need a regulator, there are two types. The first is a High Pressure Regulator with a Supply Pressure of 200 Bar and Delivery Pressure of 0-100 Bar. This type of regulator is designed to be connected directly to your local gas tank (pressure no higher than 207 Bar) and then connected directly to the instrument. The regulator allows you to adjust the pressure to the operating pressure of the Pressure Chamber. We can help modify your 6-Foot Hose to connect to the instrument directly.

The second type of High Pressure Regulator has a Supply Pressure of 200 Bar and Delivery Pressure of 0-173 Bar. This type of regulator is designed to connect to your local tank and trans-fill into one of our Portable Tanks or the internal tank of the Model 610 or Model 615. This regulator is only used during the trans-filling of the tank.

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