5702C-870 - Henry - 1 1/4 NPTF-1 NPTF - 870 - Brass Angle Type suitable for Transcritical CO2

The Henry 5702C-870 is a brass angle-type pressure relief valve specifically designed for transcritical CO₂ (R744) systems, which operate at very high pressures. Here are the key specifications and features:

🔧 Henry 5702C-870 Specifications

• Model: 5702C-870
• Connection Size: 1-1/4" NPTF inlet × 1" NPTF outlet
• Valve Type: Brass angle-type pressure relief
• Application: Suitable for transcritical CO₂ systems
• Pressure Setting: 870 PSIG (approx. 60 bar)
• Material: Brass body with fluoroelastomer soft seat for excellent sealing
• Design Standards:
  • Complies with EN ISO 4126
  • Reseats within 15% of set pressure after discharge
• Temperature Range: -40°C to +120°C
• Refrigerant Compatibility: CO₂ (R744), HFCs, HCFCs
• Flow Characteristics:
  • High flow capacity
  • Designed for vapor discharge (not recommended for liquid)

This valve is part of Henry’s high-pressure safety device lineup and is engineered to handle the unique demands of CO₂ systems operating above the critical point.