Suttner ST-261SI Unloader Valve 3,625 PSI with Micro Switch and 1.8mm Chemical Injector. Used for adjusting the maximum working pressure and safe guarding the high pressure water pipes. Ideal for steam combination applications. Low pressure limit eliminates need for additional metering devices

Features:
• Built-in exclusive down stream (venturi-type) injector with built in orifice provides more precise siphon rate
• Adjustable valve allows limit setting on both maximum pressure and minimum pressure
• Straight flow-through design minimizes pressure loss through valve
• Working components constructed of high-grade stainless steel. PTFE and Viton seals for maximum heat and chemical resistance
• Internal bypass valve can be easily accessed and repaired without removing unloader from unit

Specifications:
• Maximum Pressure: 3,625 PSI
• Minimum Pressure: 500 PSI
• Flow Rate: 8 GPM
• Orifice: 1.8 mm
• Injector Flow Rate: 1.5 - 2.25 GPM
• Normally closed bypass
• Amps: 125 VAC 5A, 240 VAC 3A
• Max Temperature: 176° F
• Inlet Port: 3/8" FNPT
• Outlet Port: 3/8” FNPT
• Bypass Port: 1/4” FNPT
• Weight: 1.86 lbs