Surge Tank: Difference between revisions
→Motorized Pool Drain Valve
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A Bray 70-0201H motorized valve has been selected for the application. This is a [https://braycommercialdivision.com/product/series-70-industrial-electric-actuator/ Bray Series 70 Actuator], with a 2,000 in-lb turning capacity, configured for 120 VAC on/off operation. A heater and auxiliary contacts are included. | A Bray 70-0201H motorized valve has been selected for the application. This is a [https://braycommercialdivision.com/product/series-70-industrial-electric-actuator/ Bray Series 70 Actuator], with a 2,000 in-lb turning capacity, configured for 120 VAC on/off operation. A heater and auxiliary contacts are included. | ||
The part number breakdown is approximately as follows (some interpretation): | |||
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* 2 x 3/4" NPT conduit entries. | * 2 x 3/4" NPT conduit entries. | ||
* A 5 W PTC style heater (to drive out condensation). | * A 5 W PTC style heater (to drive out condensation). | ||
* 30 second stroke time (at 60 Hz). | |||
Other notes: | |||
* The motor has an internal thermal trip set at 135 °C. | |||
* Terminals are sized for #22 AWG to #14 AWG. | |||
The recommended valve is a Bray 300800-11010119. An exact breakdown of the part number cannot be located, but it appears that it means the following: | The recommended valve is a Bray 300800-11010119. An exact breakdown of the part number cannot be located, but it appears that it means the following: | ||