Legacy Product Literature | 3 Pages

1/2” and 3/4” 309 Series Diverter Ball Valves

What's Inside

The Gemini Model 309 is a 90° (quarter-turn) 3-port ball valve designed to maintain bubble-tight performance throughout its pressure-temperature range when used as a diverter or as a selector valve.

Materials of Carbon Steel and Stainless Steel.
Self Compensating Valve Stem Seal Design Ensures Long, Leak-Tight Maintenance Free Service
Leak-Tight Shutoff Regardless of Direction of Applied Pressure
Reinforced P.T.F.E. Stem Seal and Seats, Seats Backed by Viton O-rings (Optional EPR)
Easily Visible Open / Close Identification

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