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How to select suitable Auto-return electric ball valves?
- 2014-07-09 23:38:40
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To help you get the best result out of our TOFINE-THA20T motorized ball valves,please confirm 2 items before ordering:1)Wiring Diagram:
Auto-return valves available in 3 different wiring , 2-wire CR2 02,3-wire CR3 05 or 5-wire CR5 02 (with signal feedback), 3-wire CR3 05 and 5-wire CR5 02 price is a little higher than 2-wire CR2 02,please confirm which wiring you want?
2) Normally closed or open type:
Auto-return valve can be provided in normally closed and open type ,their price is nearly same ,please confirm which type you like?Normally closed type: Valve original state is close,valve will open when power on and valve will auto-return close when power off.Normally open type: Valve original state is open,valve will close when power on and valve will auto-return open when power off.More details please visit http://www.flow-controls.com/news/What-is-fail-safe-or-normally-closed-open-motorized-ball-valve--16.html
Or contact us via Email: sales@flow-controls.com, Web: www.flow-controls.com,
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