circulating pump


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circulating pump

[′sər·kyə‚lād·iŋ ′pəmp]
(chemical engineering)
Pump used to circulate process liquid out of and back into a process system, as in the circulation of distillation column bottoms through an external heater, or the circulation of storage tank bottoms to mix tank contents.
References in periodicals archive ?
The energy requirements of the circulating pump in the secondary system vary with the resistance at the interface.
The circulating pump in these systems can be powered by either AC or DC current.
A circulating pump mixes the ingredients together in a tank where the esterification (chemical reaction) process takes place.
The irregularities may lead coolant water to leak into a motor for circulating pumps for coolant, according to the company.
The capacitors were used on the Tiny Might circulating pump installed in various Coast Mountain models, including Cypress, Seymour, Cowichan, Washington and Robson spas.
The circulating pump brings the heated fluid into the home where the heat is transferred to the domestic water supply.
880 m Copper pipe DN 12 - 32, with thermal insulation 1 pc upstream and return manifold with 8 outlets DN 20 - 32 1 pc connection on existing distributor DN 32 2 St control circuits with circulating pump and three-way valve 1 St air conditioning split system 6,7 kW with 1 outdoor unit and 1 indoor unit R 410a 1 pc KWL unit 350 m / h 1 pc roof fan with base silencer 600 m / h 2 pc Thermostat control 150 m / h 5 St single room ventilator UP / AP 60/100 m / h 6 pcs Fire damper DN 100 - 160 mechanical approx.
Application ref: S/CON/0241/12/P Address: Billingham Reach Industrial Estate, Haverton Hill, Billingham Proposal: Erection of circulating pump house.
A large LED provides bath temperature readout in switchable C/F format, and a dual-speed circulating pump assures temperature uniformity.
Another unique feature is an integral single phase power supply, which allows a secondary circulating pump to be connected to the unit without any additional wiring and the connection is fully electrically protected with RCD protection, enhancing health & safety for the end user's staff/occupiers.
When solar heat can be collected, a differential control, which measures the difference in temperature between two sensors and turns equipment on and off, turns the AC circulating pump on, and water circulates through the solar collectors.
Float valves mounted between two flanges in a line going directly to the circulating pump are subject to extra suction which holds the valve disc in the vertical or closed position even after the surge lank level drops.