WebFisher™ 289 Series Relief Valves or Backpressure Regulators Specs Body Sizes and End Connection Styles Types 289A and 289U: 1/4 NPT Type 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) 5wc to 50 psig / … WebThe Fisher Type 289H-1 Backpressure Regulator/Relief Valve is a throttling relief valve used downstream of pressure regulators to protect the downstream system from overpressure. Features: 2" NPT Spring Range …
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WebFisher 289 Series relief valves are spring-loaded throttling relief valves used as downstream pressure regulators to protect the system from overpressure. A smooth … WebJan 2, 2024 · Product Description FISHER 289H-43 PRESSURE RELIEF VALVE 10-20PSI 1IN NPT D658492 Product details Product Dimensions : 7.5 x 4.5 x 4.5 inches; 3.4 … small business ato
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WebType 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) 5"wc to 50 psig / 25mbar to 3.5 bar Pressure Registration Internal Temperature Capabilities 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. 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 provided … solway blast cleaning workington