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
