F289 Pilot Operated Back Pressure Regulator
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Catalog excerpts

Throttling Type Relief Compact Tight Shutoff High Flow Rates Reliability Due to Simplicity The Type F289 is a Pilot Operated Back Pressure Regulator that functions as a high flow relief valve with an adjustable set point. The F289 can be used in place of a standard relief valve to provide protection against over pressurization in the downstream system. The pilot regulator allows for accurate back pressure control with minimal buildup over the set pressure for full opening of the main valve. Applications • Fuel Gas Relief • Gas Gathering Relief Specifications

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F289 Pilot Operated Back Pressure Regulator-2

F289 1 NPT Main Valve Capacities and PL82 Pilot Line Size Equals Body Size [1-inch (25 mm) Inlet Piping] 2:1 Line Size to Body Size Piping [2-inch (51 mm) Inlet Piping] Line Size Equals Body Size [2-inch (51 mm) Inlet Piping] 2:1 Line Size to Body Size Piping [4-inch (102 mm) Inlet Piping] 1. Wide-open flow coefficients without outlet piping and outlet screen.

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F289 Pilot Operated Back Pressure Regulator-3

1" Aluminum 3/4" x 1" Aluminum Diaphragm Nitrile Assembly Fluoroelastomer Pipe Plug, Plated Steel Machine Screw 10 - 30 PSIG, Pink Range Spring 30 - 100 PSIG, Red Spring Guide, Steel Gasket, Copper Adjustment Screw, Plated Steel Bonnet, Aluminum Machine Screw, Stainless Steel Gasket, Neoprene Screen, Stainless Steel Retaining Ring, Steel 1/4” to 1/4” Pipe Nipple 10-18 PSI, Nitrile 10-18 PSI, Fluoroelastomer 18-30 PSI, Nitrile PL82 Pilot 18-30 PSI, Fluoroelastomer 30-100 PSI, Nitrile 30-100 PSI, Fluoroelastomer Body Part Number F289 1" Regulator Rebuild Kits Kit Includes Part Number Nitrile Diaphragms,...

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