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 / 25mbar to 3.5 … WebFisher Type 289H Backpressure Regulator/Relief Valve. Enquire about this Product. Available for settings between 0.5 to 2.25 psig / 34 to 155 mbar, the 289 Series relief …

289 Series Relief Valves - Emerson Electric

WebEducation. Fisher 289 Series relief valves are spring-loaded throttling relief valves used as downstream pressure regulators to protect the system from overpressure. A smooth … WebType 289H (2 NPT): Brass or Stainless steel for relief pressure settings of 10 to 40 in. w.c. / Gaskets 25 to 99 mbar, two spring ranges Type 289L: Neoprene (CR) u0007 Type 289U: 1/4 NPT spring-loaded relief valve for All Others: Composition relief pressure settings of 5 in. w.c. to 3 psig / Spring: Zinc-plated steel tstc portal online payments

Fisher 289 Series Relief Valves or Backpressure Regulators - R.E.

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