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Single Stage Rotary Vane Pump Series Advantages
1. High-quality materials and easy operation and maintenance.
2. Advanced technology ensures long service life and low operating costs.
3. Energy-efficient and environmentally friendly design with a compact and lightweight structure.
4. Clean exhaust with no oil smoke.
5. No springs, resulting in low noise and minimal vibration.
6. The pump is equipped with an internal non-return valve to prevent oil backflow.
7. Built-in forced lubrication system ensures stable and continuous operation under atmospheric pressure for extended periods.
Applications
1. Crystallization, vacuum distillation, injection, and precooling.
2. Vacuum filtration, canning, and compression.
3. Used as a backing pump or drainage pump in vacuum coating and industrial furnaces.
4. Vacuum conveying and collection of powders or liquids.
5. Vacuum packaging and food processing technologies.
6. Thermoforming (blister, air pressure, and foam molding).
7. Vacuum degassing, deaeration, impregnation, concentration, and drying.
8. Vacuum adsorption, fixtures, spreaders, and chucks.
9. Vacuum pressure, final design, and pasting applications.
10. Factory, hospital, laboratory, and central vacuum systems.
11. Special-purpose vacuum pumps and units.
Speed Curves
Technical Parameters of the Single Stage Rotary Vane Pump Series
Model
Pumping Speed (m³/h)
Ultimate Pressure
(mbar)Motor Power (kW)
Speed
Max. Water Vapor Capacity
(kg/h)Noise (dB)
Inlet Diameter
(Inch)Weight (kg)
Dimensions
(L x W x H) mm
DPX-10
10
2
0.37
2800
*
62
G1/2"
16
308x215x207
DPX-16
16
2
0.55
2800
*
63
G1/2"
16
308x215x207
DPX-21
20
1
0.75
2800
0.4
64
G1/2"
19
421x232x218
DPX-40
40
0.5
1.1
1450
0.7
64
G1 1/4"
43
635x286x266
DPX-63
63
0.5
1.5
1450
1
65
G1 1/4"
49
605x308x280
DPX-100
100
0
2.2/3.0
1450
1.5
67
G1 1/4"
69
710x405x290
DPX-160
160
0.5
4
1450
2.5
72
G2"
142
761x495x411
DPX-200
200
0.5
4.0/5.5
1450
4
74
G2"
145
795x495x411
DPX-250
250
0.5
5
1450
4
74
G2"
190
965x585x411
DPX-300
300
0.5
5.5/7.5
1450
4.5
75
G2"
212
1010x585x411
DPX-630
630
0.1
15
825
26
75
DN100
660
1488x888x752
*) Specifications are subject to change without prior notice.
About DENAIR
Packaging & Shipping
FAQ
Q: How many staff are there in the DENAIR Group?
A: Approximately 400.
Q: How many employees work at your factory?
A: Around 70.
Q: How many people are in your international trading company?
A: About 20. Our sales team speaks English, French, Russian, Spanish, Indonesian, and Arabic.
Q: What is your factory's monthly production capacity?
A: Approximately 500 units per month.
Q: What was the annual sales volume of the DENAIR Group in 2014?
A: Around USD 40 million.
Q: What was the annual sales volume of your international trading company in 2014?
A: Approximately USD 8 million, which accounted for 20% of the group’s total sales.
Q: How many units does DENAIR export each month?
A: Around 50 to 100 units.
Contact DENAIR
Company Name: DENAIR Energy Saving Technology (Shanghai) PLC
Telephone: +86-021-61278021
Fax: +86-021-57865043
Website: http://www.denair.net
Single Stage Rotary Vane Pump Series
August 09, 2025