Diaphragm Type Dry Vacuum Pump
High Vacuum and Anti-corrsive Type
Model: DTU-20
ULVAC
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High vacuum chemical type / Three-stages / with power cord / with switch / with thermal protector
Features
- Chemical type compatible with suction of organic solvents and corrosive gases.
- High vacuum type of dry vacuum pump with improved ultimate pressure performance.
- Safety design with built-in automatic reset type thermal protector.
- Operation is possible from atmospheric pressure.
- Simple structure and easy maintenance.
Applications
- Backing pump for TMP.
- Analytical equipment.
- Biochemical analysis.
- Gas charging.
- Vacuum drying systems.
- Evaporators etc.
Specification
| Unit | 50Hz | 60Hz | |
| Actual pumping speed | L/min | 20 | 23 |
| Ultimate pressure※1 | Pa (kPa) | 200 （-101.1） | |
| Motor | Single phase, 100V, 80W, 4P,Capacitor run | ||
| Full load current | A | 1.46 | |
| Weight | kg | 7.5 | |
| Inlet,outlet pipe diameter（Female） | mm | O.D.Φ10×I.D.Φ6 (Rc 1/8) | |
| Ambient temperature | ℃ | 5～40 | |
| External dimensions | mm | 161(W)×327(L)×217(H) | |
※1：The gauge pressure display is shown in () of Ultimate pressure.
Corresponding certificate／Voltage
| Model | Applicable standard※ | ＣＥ Declartion of confirmity |
1Φ 100V |
1Φ 115V |
1Φ 200V |
1Φ 220V |
1Φ 230V |
| DTU-20 | － | － | ● | ○ | ○ | ○ | ○ |
| DTU-20A | TUV・cTUVus | ● | ● | － | － | － | － |
| DTU-20B | TUV・cTUVus | ● | － | ● | － | － | － |
| DTU-20C | TUV・cTUVus | ● | － | － | ● | － | － |
| DTU-20D | TUV・cTUVus | ● | － | － | － | ● | － |
| DTU-20E | TUV・cTUVus | ● | － | － | － | － | ● |
✓：Standard, ○：Option, －：Not Available
※TUV Certification: A high-quality product that complies with European standards as assessed by an international third party that conducts product safety testing and certification.
※cTUVus Certification: A high quality product that complies with Canadian and US standards as assessed by an international third party that conducts product safety testing and certification.
※TUV Certification: A high-quality product that complies with European standards as assessed by an international third party that conducts product safety testing and certification.
※cTUVus Certification: A high quality product that complies with Canadian and US standards as assessed by an international third party that conducts product safety testing and certification.
Note
|
１
|
The pump is stopped when the lord is operated, and the pump can’t be operated just after that.
In this case, please return the atmospheric pressure the inside of the pump. |
|
２
|
The pump will not often operate normally if it is used with corrosive gases, organic solvents, liquids, or condensed gases (eg steam).
The pump will not often operate normally if it is used with gases containing particles or dust etc. |
|
３
|
It is a pump only in the room.
Please do not set it up in the place, that rain and water splash, and outdoors. |
Dimension drawing
Pumping Speed Curves
