Suttner ST-291 Unloader Valve. High-end unloader which is rated up to 5,070 PSI. The ST-291 unloader is equipped with a thread for fixing it at the frame of your high pressure cleaner

Features:
• Easy construction
• Especially soft switching behavior
• Easily operated adjustment and shifting
• Adjustable minimum and maximum pressure
• Extremely long durability
• Adjustable from 850 to 5,070 PSI
• 1/2” Bypass connection

Specifications:
• Maximum Pressure: 5,070 PSI
• Minimum Pressure: 850 PSI
• Flow Rate: 8 GPM
• Max Temperature: 176° F
• Inlet Port: 3/8" FNPT
• Outlet Port: 3/8” FNPT
• Bypass Port: 1/2” FNPT
• Weight: 2.60 lbs