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- Chính sách: Dùng thử 7 ngày miễn phí
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- Vận chuyển: Miễn phí toàn quốc
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Khuyến mại hot nhất:
Varying Pitch Screw Vacuum Pump DSVP Series
Generalize：DSVP Series Varying Pitch Screw vacuum pump is composed of a pair of meshing variable pitch screw rotors which rotate in the opposite direction and synchronous way at high speed in the pump cavity to complete the intake and exhaust cycle. Varying Pitch Screw vacuum pump compresses the medium more efficiently with energy saving and lower temperature than constant pitch screw vacuum pump. Without any lubricants in the housing, it is perfect for medium recycling and environmental protection, which is the best upgrading products for oil-sealed, steam-jet and liquid ring pumps. The variable pitch screw rotor can be customized and manufactured in order to best fit for clients’ requirements
Product Features
1、Screw rotors with high-precision dynamic balance— smooth operation, lower noise, smaller vibration and longer service life.
2、No contact and friction between screw rotors— no oil in the pump cavity and zero-discharge of sewage.
3、High strength and stable performance screw rotor made of nodular cast iron.
4、Easy cleaning with nitrogen purging — simple operation and convenient maintenance.
5、Wide pumping rate range and high ultimate vacuum of 5Pa.
6、Higher pumping efficiency and less energy consumption.
Specifications
|
Specification |
Unit | DSVP-35 | DSVP-70 | DSVP-110 | DSVP-180 | DSVP-280 | DSVP-390 | DSVP-550 | DSVP-650 | DSVP-800 | DSVP-1100 | DSVP-1500 | DSVP-2000 | DSVP-2800 |
|
Nominal displacement capacity |
M3/h | 35 | 70 | 110 | 180 | 280 | 390 | 550 | 650 | 800 | 1100 | 1500 | 2000 |
2800 |
| L/S | 10 | 19 | 31 | 50 | 78 | 92 | 153 | 167 | 220 | 306 | 417 | 556 |
778 |
|
|
Ultimate pressure |
Torr | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 |
|
Pa |
5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | |
| Power | Kw | 1.5 | 3 | 4 | 5.5 | 7.5 | 11 | 15 | 18.5 | 22 | 30 | 45 | 55 |
75 |
| Rotational speed | RPM | 2900 | 2900 | 2900 | 2900 | 2900 | 2900 | 2900 | 2900 | 2900 | 2900 | 2900 | 2900 |
2900 |
|
Inlet & Outlet Port |
DN mm | 40/25 | 40/30 | 40/30 | 40/30 | 80/40 | 80/40 | 100/50 | 100/65 | 100/65 | 125/80 | 125/80 | 150/100 | 150/100 |
|
Cooling water |
L/min | 4 | 4 | 6 | 6 | 6 | 6 | 8 | 8 | 8 | 8 | 16 | 16 | 16 |
| Weight | kg | 200 | 220 | 250 | 290 | 320 | 450 | 580 | 650 | 1050 | 1200 | 1800 | 2100 |
2500 |
| Noise | db | ≤70 | ≤70 | ≤70 | ≤70 | ≤75 | ≤75 | ≤75 | ≤80 | ≤80 | ≤80 | ≤85 | ≤85 |
≤85 |
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