Drive Cooling Loop Specifications
Inhibited ethylene glycol or propylene glycol must contain a corrosion inhibitor compatible with the cooling loop material. Recommended drive loop coolants, see are listed in the following table.
Drive Frame Size | Coolant Temperature Range | Minimum Coolant Flow Rate | Maximum Coolant Flow Rate | Pressure Drop From Drive Inlet to Drive Outlet at Minimum Coolant Flow Rate | Coolant Type |
|---|---|---|---|---|---|
6L | 0…50 °C (32…122 °F) | 30.3 LPM (8 gpm) | 45.4 LPM (12 gpm) | 1.58 bar (23 psi) | WEG50 or WPG50 |
Each hose kit contains two hoses and appropriate connectors. WEG50 equals good quality or distilled water with approved inhibited* ethylene glycol, 50% glycol by volume. WPG50 equals good quality or distilled water with approved inhibited* propylene glycol, 50% glycol by volume. | |||||
The following table lists the estimated amount of coolant needed for the drive loop based on the drive frame size.
Drive Frame Size | Estimated Amount of Coolant |
|---|---|
6L | 15.1 L (4 gal) |
The estimated amount of coolant is based on the heat exchanger using 1.2 m (4 ft) hoses. Longer hoses require more coolant. The maximum hose length of 9.1 m (30 ft) would require up to an additional 2.8 L (3/4 gal). | |
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