General Pump 100728 6,000 PSI Safety Relief Valve 1/4” MPT-N. This safety relief valve is a manually adjustable pressure-operated device which, according to its setting releases the excess of water when the pressure inside the pump/system exceeds the adjusted value, thus reducing the pressure. The normal working conditions can be restored by turning off and then restarting the system

Features:
• High pressure safety valve: 2,500 – 6,000 PSI relief pressure
• One model fits all pressures - no springs to change
• Less “whistling” and chatter than competing brands
• Highly accurate over full range of pressures
• Fits any brand of pump
• Designed and made in the USA

Specifications:
• Adjustable Range: 2,500 - 6,000 PSI
• Max Volume: 6 GPM
• Discharge: End
• Max Temperature: 32 - 150° F
• Inlet: 1/4" NPT-M
• Dimensions: 2.6” x .875” Hex
• Weight: 0.325 lbs