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ST-261SI Unloader w/ Micro Switch & Injector

Pressure500 PSI min-3625 PSI max
Temperature176° F
Flow Rate8 GPM
Weight1.34 lb
Orifice1.8 mm
Inlet3/8" FPT
Outlet3/8" FPT

Applications

Built-in exclusive down stream (venturi-type) injector
with built in orifice provides a 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.
• 200261550: Injector Flow Rate - 1.5-2.25 GPM, Orifice - 1.8 mm
• 200261571: Injector Flow Rate - 2.25-3.35 GPM, Orifice - 2.1 mm
• 200261581: Injector Flow Rate - 3.35-5.0 GPM, Orifice - 2.4 mm

Part # Pressure (PSI)TemperatureFlow Rate (GPM)WeightOrificeInletOutletBypass ConnectionInjector Flow RateAmps
200261561 500 PSI min-3625 PSI max 176° F 8 GPM 1.34 lb 1.8 mm 3/8" FPT 3/8" FPT 1/4 1.50-2.25 GPM 125 VAC 5A-250 VAC 3A
200261571 500 PSI min-3625 PSI max 176° F 8 GPM 1.34 lb 2.1 mm 3/8" FPT 3/8" FPT 1/4 2.25-3.35 GPM 125 VAC 5A-250 VAC 3A
200261581 500 PSI min-3625 PSI max 176° F 8 GPM 1.34 lb 2.4 mm 3/8" FPT 3/8" FPT 1/4 3.35-5.00 GPM 125 VAC 5A-250 VAC 3A