Sensus 143-80-2 Domestic Service Regulator

INTERNAL RELIEF MODEL 143-80-2 USE THE TECHNICAL LITERATURE BELOW TO DETERMINE THE SPECIFICATIONS YOU REQUIRE. BULK ORDERS AND LESS COMMON PRODUCTS MAY REQUIRE ADDITONAL TIME FOR SHIPMENT. CONTACT US VIA PHONE OR EMAIL TO REQUEST MORE INFORMATION ON AVAILABILITY. MORE OPTIONS AVAILABLE. PLEASE CALL OR EMAIL US FOR FURTHER INFORMATION The Model 143-80 is an excellent general purpose gas pressure regulator. It can be used for natural gas, air, CO2, propane, butane, nitrogen, and other gases. It can be used for gas services to homes, commercial establishments and small industries, for burners, unit heaters, boilers, and other equipment. The Model 143-80-2 includes an internal relief valve. Valve Body: Cast Iron - 125 psig working pressure Spring and Lower Case: Die-Cast Aluminum Orifice: Aluminum Fulcrum Pin: Stainless Steel Valve Seat: One piece molded Buna-N Valve Stem: Fiberglass reinforced nylon Throat/Support/Stem: Acetal insert Diaphragm Plate: Plated Steel Diaphragm: Nylon fabric-reinforced Buna-N with full 26 in2 effective area Vent and Valve: Polyethylene valve and seat, 1” NPT vent Operating Temperature: -20° to +150° F (-28.9° to +65.5° C) Corrosion Protection: Cases dip primed chromate conversion coating, enamel topcoat Internal Relief Valve: Set to relieve at approximately 7-10” w.c. above normal outlet pressure setting PERFORMANCE CURVE OF INTERNAL RELIEF VALVE: Click to Enlarge Also see: Sensus 143-80-6 Low Pressure Cut-off Regulator Accessories: Sensus 143-60-011-00 BUNA-N Valve Seat Resources: Sensus 143 Model Technical Literature Sensus 143 Installation Instructions Precursory Equimeter 143-80 Installation Instructions and Parts List Sensus Regulator Orifice Removal Procedure Sensus 143 Approval Sensus UL/ANSI/CSA Testing Notice