Shenyang Haipurui Vacuum Technology Co.,Ltd.
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Single Stage Rotary Vacuum Pump

The 2XZ series vacuum pump is a vital piece of equipment designed to efficiently extract gas from sealed containers. It serves versatile purposes: whether as a standalone unit or as a supportive pre-pump for booster pumps, diffusion pumps, molecular pumps, maintenance pumps, and titanium pumps. Its applications span across diverse fields such as the production of electric vacuum containers, vacuum welding, printing, photographic plate making, food packaging, vacuum forming, refrigeration equipment maintenance, and instrument and meter equipment matching. Furthermore, it plays an essential role in laboratory testing.
This pump is engineered to operate continuously for up to 2 hours under high vacuum conditions, with a favorable ambient temperature range of 5 ºC to 40 ºC and an inlet pressure of ≤ 1330Pa. In scenarios where the suction port pressure escalates, adjustments must be considered.
If the suction port pressure is ≥ 1330Pa, it is crucial that the pump does not exceed 3 minutes of operation to maintain optimal performance and prevent damage.
Model |
XD-010 |
XD-021 |
XD-025 |
XD-040 |
XD-063 |
XD-100 |
XD-160 |
XD-202 |
XD-250 |
XD-302 |
Rated gas capacity m3/h |
10 |
21 |
25 |
40 |
63 |
100 |
160 |
202 |
250 |
302 |
Extreme pressure mbar |
0.1-0.5 |
Noise dB(A) |
61 |
62 |
62 |
64 |
65 |
66 |
65 |
72 |
81 |
83 |
Working tem. ºC |
81 |
82 |
82 |
83 |
84 |
85 |
65 |
72 |
81 |
83 |
Oil consumption L |
0.5 |
0.5 |
0.5 |
1.5 |
2 |
2 |
5 |
5 |
7 |
7 |
Allowable pressure of water vapor mbar |
40 |
40 |
40 |
40 |
40 |
40 |
40 |
40 |
40 |
40 |
Water vapor extraction rate Kg/h |
0.15 |
0.3 |
0.3 |
0.6 |
1 |
1.6 |
2.5 |
4 |
4.5 |
5 |
Inlet thread inch |
Rp¾" |
Rp¾" |
Rp¾" |
Rp1¼" |
Rp1¼" |
Rp1¼" |
Rp2" |
Rp2" |
Rp2" |
Rp2" |
Rated motor power Kw |
0.37 |
0.75 |
1.1 |
1.1/1.5 |
1.5/2.2 |
2.2/3 |
4 |
4.5 |
5.5 |
7.5 |
Speed r/min |
1440 |
2880 |
2880 |
1440 |
1440 |
1440 |
1440 |
1440 |
1440 |
1440 |
Weight Kg |
17 |
18 |
18 |
48 |
58 |
72 |
157 |
157 |
195 |
211 |
Working Principle
1) The pump's design features an eccentric rotor installed within the pump chamber (stator). This rotor includes three slots where the rotor glides effortlessly, optimizing functionality.
2) The rotor ingeniously partitions the internal space into three chambers. As the rotor spins, the volume of these chambers transforms, facilitating the pump's dynamic operation.
3) Once gas enters the intake chamber, it becomes compressed and is then efficiently expelled outside the pump through an exhaust valve, ensuring effective gas management.
4) Oil injected into the intake chamber serves multiple purposes: it provides sealing, lubrication, and cooling. The oil, propelled by compressed gas, undergoes a strategic separation process.
As oil enters the fuel tank, gravity aids in its initial separation. Smaller oil molecules proceed to the exhaust filter, contributing to the pump's meticulous operation.
The internal circulation system is meticulously designed to ensure that recovered oil cycles back into the pump chamber. A float valve masterfully controls this circulation, preventing atmospheric pressure issues when the collection system lacks oil.
This innovative design prevents vacuum breakdown by channeling oil from the fuel tank into the suction side of the pump chamber.
5) The oil circulation, driven by pressure differences, is a cornerstone of the pump's functionality, ensuring seamless operation.
For specialized needs, the product can be customized to an explosion-proof type, making it ideal for industries such as petroleum, chemical, mining, medicine, oil depots, gas stations, liquefied gas stations, gas pipeline stations, and aerospace.
Users have the flexibility to install an inflatable electromagnetic pressure differential vacuum valve at the pump's inlet. This valve acts automatically to disconnect the vacuum system and infuse the pump chamber with air, preventing pump oil reflux and ensuring the vacuum system remains uncontaminated in the event of a sudden halt or power loss.
Material selection is customizable. Should there be a need for alternative materials, please do not hesitate to contact us via email.
All spare parts are sourced from renowned export brands, guaranteeing the highest quality and reliability.
More Pictures
Shenyang Haipurui Vacuum Technology Co., Ltd. stands at the forefront of innovation in vacuum technology, embodying a spirit of excellence. As a pioneering high-tech enterprise, we specialize in the R&D, design, manufacturing, sales, and service of vacuum pumps and comprehensive vacuum equipment. Spanning a sprawling area of 20 acres with a state-of-the-art plant covering 7,000 square meters, we boast a team of seasoned technical experts deeply entrenched in the vacuum industry. We continually evolve our product designs and applications by aligning with the latest vacuum technology trends and addressing diverse user needs to deliver unparalleled solutions across various sectors. Proudly certified with the ISO9001 quality management system, Shenyang Haipurui has secured multiple patents and software copyrights, driving forward breakthroughs to enhance our product and service offerings.
Our company's prestigious product range is divided into two primary categories:
Firstly, our vacuum acquisition equipment includes an extensive array such as the 2BV, 2BE, SK, and 2SK series liquid ring vacuum pumps and compression machines, SY and 2SY series liquid ring compressors, ZJ series Roots vacuum pumps, LGB series screw vacuum pumps, as well as the XD, 2XZ, and 2X series rotary vane vacuum pumps, and the WLW reciprocating vacuum pumps.
1.Are you a factory or trading company?
We are a factory and we have professional team of workers,Designers and inspectors.
2.Do you accept custom?
Of course.We have professional teams who make your designs,photos,imagines and OEM orders into real production.
3.What's your shipping terms?
If you need to ship by air,we can use DHL,UPS,FedEx,TNT or EMS.If you need to ship by sea,we have many good forwarders to work with,they can provide the best price for you.
4.Whats your payment terms?
Until now , we can accept TT.LC.
5.What information do you need to offer a quotation?
Pump Capacity: m³/h or L/S
Voltage: V
Frequency: Hz
Any questions,pls feel free back to us.
We also have other kinds of roots vaccum pump. pls back to us our shownroom.
For big power roots vacuum pump , pls click here.