WebOverview. Specs. Resources. Features. Education. Fisher 289 Series relief valves are spring-loaded throttling relief valves used as downstream pressure regulators to protect … http://kfngs.com/data/catal/Type%20S300%20Series%20ENG_IM.pdf
Fisher 289 Series Relief Valves or Backpressure Regulators
WebResources: 289 Series Spring-Loaded Relief Valves Bulletin 289 Series Spring-Loaded Relief Valves Instruction Manual ... Home › Fisher 289H Pressure Relief Valve 2" x 2" FNPT. Fisher 289H Pressure Relief Valve … WebFisher 289 Series relief valves are spring-loaded throttling relief valves used as downstream pressure regulators to protect the system from overpressure. A smooth throttling action minimizes pressure surges in the system during relief operation. 289 Series relief valves are ideal for low-pressure settings due to the increased sensitivity ... citizens advice scunthorpe phone number
Fisher Type 289H Backpressure Regulator/Relief Valve
WebIf the regulator is used in conjunction with a 289H relief valve, the Type 289H should be set 10" W.C. higher than the outlet pressure setting of the regulator, up to 30 inches W.C. reduced pressure. For pressure greater than this, set the 289H 3/4 psi higher than the outlet pressure setting of the regulator. WebType 289H (2 NPT): Cast iron body with Aluminum spring case Diaphragm ype T 289A: Neoprene (CR) Types 289H and 289HH: Nitrile (NBR) or Fluorocarbon (FKM) Types … WebType 289H: 1, 2 NPT Type 289HH: 1 NPT Type 289L: 3/4, 1 NPT Type 289U: 1/4 NPT. Maximum Allowable Relief (Inlet) Pressure 100 psig / 6.9 bar Relief Set Pressure Ranges (5 models) ... Data Sheets: 289 Series Spring-Loaded Relief Valves Bulletin, Fisher-EN PDF. Size: 983kb. Data Sheets & Bulletins citizens advice sheffield london road