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ST-261I Unloader Valve

Pressure500 PSI min-3625 PSI max
Temperature176° F
Flow Rate8 GPM
Weight1.36 lb
Orifice1.8 mm
Inlet3/8" FPT
Outlet3/8" FPT

Applications

Built-in exclusive down stream (venturi-type) injector with built in orifice provides more precise siphon rate.

Features

• Working components constructed of high-grade stainless steel.
• PTFE and Viton seals for maximum heat and chemical resistance.
• Straight flow-through design minimizes pressure loss through valve.
• Adjustable valve allows limit setting on both maximum and minimum pressures.
• Internal bypass valve can be easily accessed and repaired without removing unloader from unit.

Part # Pressure (PSI)TemperatureFlow Rate (GPM)WeightOrificeInletOutletBypass ConnectionInjector Flow Rate
200261560 500 PSI min-3625 PSI max 176° F 8 GPM 1.36 lb 1.8 mm 3/8" FPT 3/8" FPT 1/4 1.50-2.25 GPM
200261570 500 PSI min-3625 PSI max 176° F 8 GPM 1.36 lb 2.1 mm 3/8" FPT 3/8" FPT 1/4 2.25-3.35 GPM
200261580 500 PSI min-3625 PSI max 176° F 8 GPM 1.36 lb 2.4 mm 3/8" FPT 3/8" FPT 1/4 3.35-5.00 GPM