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Single Stage Rotary Vane Pump Series – Key Features
1. High-quality materials and easy to operate and maintain.
2. Advanced technology ensures long-lasting performance and low operating costs.
3. Energy-efficient design with a compact and lightweight structure.
4. Clean exhaust with no oil contamination.
5. No springs used, resulting in low noise and minimal vibration.
6. Built-in non-return valve oil system prevents oil backflow.
7. Forced oil feed ensures stable and continuous operation under atmospheric pressure.
Applications
1. Crystallization, vacuum distillation, injection, and precooling.
2. Vacuum filtration, sealing, and compression.
3. Used as a backing pump or drainage pump for vacuum coating and industrial furnaces.
4. Vacuum conveying and collection of powder or liquid materials.
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 paste applications.
10. Factory, hospital, laboratory, and central vacuum systems.
11. Special-purpose vacuum pumps and units for various industries.
Speed Curves
Technical Parameters of the Single Stage Rotary Vane Pump Series
Model
Pumping Speed (m³/h)
Ultimate Pressure (mbar)
Motor Power (kW)
Speed (rpm)
Max. Water Vapor Capacity (kg/h)
Noise (dB)
Inlet Diameter (Inch)
Weight (kg)
Dimensions (L×W×H) mm
DPX-10
10
2
0.37
2800
*
62
G1/2"
16
308×215×207
DPX-16
16
2
0.55
2800
*
63
G1/2"
16
308×215×207
DPX-21
20
1
0.75
2800
0.4
64
G1/2"
19
421×232×218
DPX-40
40
0.5
1.1
1450
0.7
64
G1 1/4"
43
635×286×266
DPX-63
63
0.5
1.5
1450
1
65
G1 1/4"
49
605×308×280
DPX-100
100
0
2.2/3.0
1450
1.5
67
G1 1/4"
69
710×405×290
DPX-160
160
0.5
4
1450
2.5
72
G2"
142
761×495×411
DPX-200
200
0.5
4.0/5.5
1450
4
74
G2"
145
795×495×411
DPX-250
250
0.5
5
1450
4
74
G2"
190
965×585×411
DPX-300
300
0.5
5.5/7.5
1450
4.5
75
G2"
212
1010×585×411
DPX-630
630
0.1
15
825
26
75
DN100
660
1488×888×752
*) Specifications are subject to change without prior notice
About DENAIR
Packaging & Shipping
FAQs
Q: How many staff work at DENAIR Group?
A: Approximately 400 employees.
Q: How many staff are in your factory?
A: Around 70 people.
Q: How many employees work 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: Around 500 units per month.
Q: What was the annual sales volume of DENAIR Group in 2014?
A: Approximately USD 40 million.
Q: What was the annual sales volume of your international trading company in 2014?
A: Around USD 8 million, which accounted for 20% of the group’s total sales.
Q: How many units does DENAIR export each month?
A: Between 50 and 100 units.
Contact DENAIR
Company Name: DENAIR Energy Saving Technology (Shanghai) PLC
Phone: +86-021-61278021
Fax: +86-021-57865043
Website: http://www.denair.net
Single Stage Rotary Vane Pump Series
August 09, 2025