Pressure Switch, Sphere (G-120)

The Pressure Switch, Sphere (G-120) is designed for applications using a glass sphere housing of 10-20” OD of any wall thickness up to 23mm. The switch bodies are made from corrosion-resistant and ultra-strong Titanium 6-4 (Grade 5).

Switches may be selected as:
1) ON at the Surface, OFF below (ON, mom)
2) OFF at the surface, ON below (OFF, mom)

The switch will trigger between 2-3 atm (10-30m or 33-99 fsw).

All units are laser engraved with a unique serial number, are individually tested to 18,000psi twice, and come with a signed factory Certificate of Compliance.

The G-120 requires a clearance 7/16” D hole (29/64”D) through, and a 1.00” OD spot face of 32 RMS or greater. The G-120 is shipped with mounting hardware and a complete set of spare o-rings.

Click here for the G-120 Installation Drawing.

We do customs as well. Please contact the factory with your specifications or application requirements.

Contact Ocean Innovations at (858) 454-4044 or

Call us

(858) 454-4044


7416 Cabrillo Avenue, La Jolla, CA  92037, United States