PRESSURE REGULATOR - 627-251 FISHER

627 Series Pressure Reducing Regulators The 627 Series direct-operated pressure reducing regulators are for low-and high-pressure systems. These regulators can be used with natural gas, air or a variety of other gases. Performance characteristics vary according to construction. Features -Internal Relief Valve -Types 627R and 627MR Travel Stop -Relief Operation Indicator -Easy to Maintain -Installation Adaptability -Application Versatility -Tamper-Resistant -Wide Range of Flow Capabilities -Tight Shutoff Capability Temperature Capabilities -20º to 180º F ( -29º to 82º C) Body Sizes and End Connection Styles -3/ 4, 1, or 2-inch ( DN 25 or 50) : NPT end connections -1 or 2-inch ( DN 25 or 50) : CL150 RF, CL300 RF, CL600 RF flanged end connections Maximum Inlet Pressure NPT Steel: 2000 psig ( 138 bar) Flanged Steel: 1500 psig ( 103 bar) Ductile Iron: 1000 psig ( 69 bar) Outlet Pressure Range 5 to 500 psig ( 0, 3 to 34, 5 bar) in six rangesBack to Top Pressure Registration Type 627, 627H or 627R: Internal Type 627M, 627HM or 627MR: External through 1/ 4-inch NPT female control line connection in the diaphragm case Approximate Weights Ductile Iron or Steel Casings: 10 lb ( 4, 5 kg) Aluminum Casings: 6.3 lb ( 2, 8 kg)