O Series Pressure Controls
The Ranco® Dual Pressure Controls combine the functions of a single high-pressure limit control and a single low-pressure control in one unit with a single pole, single throw (SPST) switch.
Series Application Dual Pressure Control
High Pressure (Open High) Cut-Out PSI - 150 to 450 PSI (10 to 31 bar)
Low Pressure (Open Low) Cut-In - 10" Hg to 100 PSI (0.3 to 7 bar)
Capillary Length - 36" (0.9m)
Switch - SPST
High Pressure (Open High) Differential PSI - 70 PSI (5 bar) Fixed
High Reset - Auto
Low Pressure (Open Low) Differential - 10 to 40 PSI (1 to 3 bar)
Low Reset - Auto
Pressure Connection - 1/4" SAE flare nut
✔ Convertible feature allows selection of manual or reset function when operating at high pressure (O12‑4833/O12-4834).
✔ A wide range of high-pressure manual or automatic reset controls can be replaced (O12-4833 or O12‑4834).
✔ A high-pressure limit is combined with suction pressure sensing to provide temperature control and/or pump down.
✔ High-limit adjustment screw.
✔ Low-pressure differential and range adjusting screws.
✔ Selector screw for manual or automatic.
✔ Reset button.
✔ Low-pressure scale plate.
✔ High-impact plastic cover with center mount screw.
✔ High-pressure scale plate.
✔ Super Cap® capillary protection system.
✔ Color-coded for easy identification of pressure line.
✔ High-side capillary flare nut (silver).
✔ Low-side capillary flare nut (brass).
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