FEATURES

• Designed exclusively for use on DOT 4L Liquid Cylinders
• Eliminates disruptive “pop” historically associated with traditional cylinder relief devices
• Incorporates the customer proven “Dirt Guard” poppet
• Accurately maintains and controls cylinder pressure minimizing product loss
• Exceeds industry and regulatory flow capacity requirements
• Complies with OSHA sound level regulations
• Extensively field qualified
• OEM approved and endorsed
• Cleaned and packaged for Oxygen service standard

TECHNICAL DATA

• Nominal Set Pressure Range: 22 – 500 Psig (1.5 to 34.5 Bar)
• Factory Set Tolerance*:
  • Set Pressure ≥ 72.5 Psig, ± 3%
  • Set Pressure < 72.5 Psig, ± 2.175 PSI
    *tolerance specifications per EN ISO 4126-1.
• Zero Leakage to 95% of Set Pressure
• Reseat: 90% of set pressure
• Temperature Rating: -320º to 350º F (-196º C to 176º C) based on seal material