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Capacity Charts for Gas Pressure Regulators. The capacity of any regulator is not an absolute value, but will vary with the application depending on the prevailing differential. We hope the following charts will help you in your selection of a properly sized regulator.
Multiple cylinders or tanks may be manifolded to give the required vaporization capacity. Withdrawal of gas from one or two containers can lower the container pressure sub-stantially due to the refrigeration of the vaporization gas. Regulator capacity is then reduced because of the lower inlet pressure. Where any reasonably heavy gas load is
♦ A 20# LPG tank theoretically contains 4.72 gallons but in practice may only contain 4.1 gallons since gas cylinders are not supposed to be filled more than 80% full. ♦ One psi equals 27.7 inches of water column.
Example for a Two Stage System Selecting the First Stage Regulator 1. Assume a load of 500,000 BTUs per hour 2. Assume a minimum delivery pressure of 9.5 psig. 33 LP-Gas Regulators 3. Assume a minimum tank pressure of 15 psig. 4. For these conditions, refer to chart for the LV4403TR Series, First Stage Regulator, shown below. 5.
Safety: Propane regulators control the gas flow and pressure from the tank to your appliances. A properly selected and installed regulator ensures that the gas is delivered at the correct pressure, reducing the risk of leaks, fires, or explosions.
This article explains LP Gas Pressure Regulators used on LP Gas or Propane tanks. How to Inspect & Test LP Gas Valves Regulators, or Gas Controls and we provide descriptions and photographs of unsafe LP gas piping, LP gas regulators, or LP gas valves & controls on appliances or heating equipment.
ANSI Z21.80/CSA 6.22 is the standard for line pressure regulators, suitable for application in natural, manufactured, mixed gases, liquefied petroleum gases and LP gas-air mixture piping systems. Maxitrol, in compliance with ANSI Z21.80/CSA 6.22, offers line pressure regulators for 2 psi piping systems and piping systems up to 5 psi.
