H5602/300-P - Hansen - NH3 Pressure Relief Valve 3/4 x 1, Set@300 PSIG, POP-EYE

The Hansen H5602/300-P is a pressure relief valve designed for NH₃ (ammonia) refrigeration systems, featuring Hansen’s POP-EYE self-alarming technology and Anti-Corrosion Technology (ACT). Here's a detailed overview:

🔧 Technical Specifications

• Model: H5602/300-P
• Inlet/Outlet Size: 3/4" FPT (inlet) x 1" FPT (outlet)
• Set Pressure: 300 PSIG
• Pressure Range: 150 to 400 PSIG (10.4 to 28 bar)
• Safe Working Pressure: 400 PSIG (28 bar)
• Weight: ~4 lbs
• Dimensions: 4" H x 4" W x 8" L

🌟 Key Features

• POP-EYE Indicator:

  • Bright, flashing LED activates when valve lifts.
  • 360° visibility.
  • Battery-operated (7+ year life).
  • Blinks for 2+ weeks after activation.
  • No wiring, setup, or calibration needed.
  • Not retrofittable to older valves.

• ACT Coating:

  • Multi-layer corrosion protection.
  • Standard on all new Hansen valves.
  • Reduces maintenance costs.

• Construction:

  • Stainless steel insert, piston, and spring.
  • Premium virgin Teflon® seat disc.
  • Neoprene O-ring for moisture sealing.