Page 14 of Propane and Natural Gas Equipment by National Energy Equipment, Inc.

CANADAS LEADER IN ENERGY PRODUCTS EQUIPMENT  First Stage Regulators First stage regulators are typically used to reduce tank pressure to an intermediate pressure, usually 5 to 10 PSI for further pressure reduction by a second stage regulator located closer to the load. This allows for the installation of smaller piping and can contribute to substantial savings. Care must be taken in colder climates to ensure that the pressure setting does not create dew point concerns that could cause the propane vapor to condense back to a liquid resulting in regulator freeze-ups and possible problems at the burner. Fisher First Stage Regulators The R622H First Stage Regulator is constructed of corrosion-resistant and wear resistant materials, designed to provide a recommended replacement life of 20 years (a 30% improvement over previously existing designs). Features: n 1/8 F NPT pressure taps on the inlet and outlet for easy system pressure checks. n Large 3/4 drip-drip lip vent to reduce vent blockage and freeze-ups. n High capacity internal relief with built-in travel stop providing the best over-pressure protection in the industry. n Superior lock-up performance for precise and consistent performance. n Corrosion resistant materials and coatings for durability. n Positive draining spring case. n 5 Year Warranty. The R122H First Stage Non-Adjustable Regulator features a molded diaphragm, over-sized relief valve and a compact design with excellent capacity and performance for a small first stage regulator. NEE Inlet Connection Outlet Connection Adjustment Range Factory Setting Vent Location BTU Capacity Internal Relief R622H-JGK F.POL 3/4 F NPT 4-6 PSI 5 PSI 3/4 F NPT Screened and over outlet 2,250,000 Yes R622H-HGK 1/2 F NPT 2,000,000 R622H-BGK 1/2 F NPT 1/2 F NPT 2,000,000 R622H-JGJ F.POL 3/4 F NPT 8-12 PSI 10 PSI 2,500,000 R622H-HGJ 1/2 F NPT 2,100,000 R622H-DGJ 3/4 F NPT 3/4 F NPT 2,400,000 R622H-BGJ 1/2 F NPT 1/2 F NPT 2,100,000 R122H-AAJ 1/4 F NPT 1/2 F NPT Non Adjustable 10 PSI 3/8 F NPT Screened and over outlet 1,100,000 Yes R622H 800HPS NEE Inlet Connection Outlet Connection Adjustment Range Factory Setting Vent Location BTU Capacity Internal Relief Bracket 740HP 1/4 F NPT 1/2 F NPT 8-11 PSI 10 PSI Screened and over outlet 1,000,000 Yes 700-4 800HPS-1 F.POL 1/2 F NPT 5-15 PSI 1,400,000 1776-25 800HPS-3 3/4 F NPT 2,000,000 1776-25 Sherwood 800HPS Regulator can handle large demand with greater accuracy than smaller sized regulators. Features a 1/8 plugged test port for checking outlet pressure conditions and a large capacity relief valve for downstream appliance and piping protection. The Streamline 740HP is equipped with a 1/8 NPT gauge port, integral relief and Viton seats for a greater range of gas compatibility and chemical resistance. Sherwood First Stage Regulators 740HP DOMESTIC REGULATORS R122H

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