Suttner ST-261T Tamper Proof unloader valve 3,625 PSI . Allows you to preset unloader and glue on cover so it can't be readjusted. Ideal for rental machines

Features:
• Only tamper-resistant operator adjustable valve in the industry which allows limit setting on both maximum pressure and minimum pressure
• 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
• Max Temperature: 176° F
• Inlet Port: 3/8" FNPT
• Outlet Port: 3/8” FNPT
• Bypass Port: 1/4” FNPT
• Weight: 1.34 lbs