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 this 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 |
7L | 0…40 °C (32…104 °F) | 30.3 LPM (8 gpm) | 45.4 LPM (12 gpm) | 0.35 bar (5 psi) | WEG50 or WPG50 |
Frame 7L liquid cooled drives are available as an IP00 Open Type kits solution only. Each frame 6L hose kit contains two hoses and the 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. | |||||
This table lists the estimated amount of coolant that is needed for one drive cooling loop for the drive frame size listed.
Drive Frame Size | Estimated Amount of Coolant |
|---|---|
6L | 15.1 L (4 gal) |
7L | 19.0 L (5 gal) |
Frame 7L liquid cooled drives are available as an IP00 Open Type kits solution only. For frame 6L drives, the estimated amount of coolant is based on the heat exchanger that uses 1.2 m (4 ft) hoses. Longer hoses require more coolant. The maximum hose length of 9.1 m (30 ft) requires up to an additional 2.8 L (3/4 gal). | |
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