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GLD series features high performance, low vibration and noise and several functions such as gas ballast valve, oil-back-flow prevention mechanism, and large sized oil level gauge. This series equips multi-voltage motor and correspondent to international standard.
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• | Chemical, science experiment, Analyzer and Laser system. | • | Vacuum pumping system. | • | Back pump for SEM. | • | Semiconductor equipments, sputtering equipment, vacuum evaporation equipment. | • | Vacuum dryer, freeze dryer. |
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| | Unit | 50Hz | 60Hz | | Actual Pumping Speed | L/min | 200 | 240 | | Ultimate pressure | Pa | 0.67 （G.V. closed）
6.7 （G.V. open） | | Motor | | Three phase, 200-240V/380-460V, 550W,
4 poles, Multiple-range motor
| | Full load current | A | 3.0 （200V）,
3.6 （240V）,
1.8 （380V）,
2.0 （415V） | 2.7 （200V）,
2.8 （240V）,
1.5 （380V）,
1.7 （460V） | | Oil capacity | mL | 1,100 | | Recommended oil | | SMR-100 | | Weight | kg | 26 | | Inlet, outlet pipe diameter | mm | KF-25 | | Ambient temperature | °C | 7 – 40 | | Overall dimensions | mm | 170（W） × 513.5（L） × 240（H） |
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| *Ultimate pressure is measured by Pirani gauge. |
| 1. | Oil is deteriorated with operating, and becomes the factor of performance shortage.
A decrease and the dirt of oil are confirmed, and please regularly add and replace it. | | 2. | A backflow preventer is incorporated into the pump to prevent the oil from flowing back while the pump is stopped.
Please make a suction side into atmospheric pressure when the pump is stopped for a long time. | | 3. | If operation is performed at high pressure, oil mist is generated at the exhaust side. | | 4. | This pump is not provided with a protective device. Therefore when connecting the motor to the power source, be sure to connect an overload protector. | | 5. | It is not suitable for the pump if operation is performed continuously at a high evacuation pressure of 10kPa or more. | | 6. | There is a risk of explosion. Never block the outlet or operate the pump with equipment mounted at the outlet side that blocks the passage of gas.
Otherwise, the internal pump pressure increases causing the pump to explode, the oil level gauge to protrude or the motor to be overloaded. |
* You can see each option, if you click an option. | top of page |
| Voltage | Applicable Volt | CE Marked | TUV Marked | cTUVus Marked | | Three phase, 200-240V | Standard | | | – | | Three phase, 380-460V | Standard | | | – |
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