Hollis - OPRV - First Stage

This Compact Over-Relief Valve (OPV) is designed to releases pressure in the event of an over pressurization of the first stage regulator. Easy to install into a standard 3/8-24 UNF low pressure regulator port.

• Hollis Over-Pressure Relief Valve for First Stage:
• Compact Relief Valve Design
• Releases Pressure in Event of Over-Pressurization of First Stage
• Factory Set: 175 to 185 psi (12 to 12.75 bars) for Pressure Release
• Fits Standard 3/8-24 UNF Low Pressure Regulator Port
• Chrome Brass Construction
• Stainless Steel Internal Spring
• Used by Technical and Serious Divers
• Protect Regulator Components
• O2 Ready to 100% Oxygen