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

The 2XZ series vacuum pump is a versatile and indispensable tool for effectively removing gas from sealed containers. This robust pump can function independently or serve as a pre-pump for booster pumps, diffusion pumps, molecular pumps, maintenance pumps, and titanium pumps. It's crucial in the production of electric vacuum containers, vacuum welding, printing, photographic plate making, and food packaging. Additionally, it supports vacuum forming, refrigeration equipment maintenance, instrument and meter equipment manufacturing, and laboratory testing.
The pump is engineered to operate continuously for up to 2 hours under high vacuum conditions within an ambient temperature range of 5 ºC to 40 ºC, with an inlet pressure of ≤ 1330Pa.
When the inlet pressure is ≥ 1330Pa, the pump operation should be limited to no more than 3 minutes.
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 innovative design features an eccentric rotor installed within the pump chamber (stator), equipped with three slots on the rotor allowing for free sliding.
2) This rotor creates three separate chambers within the internal space, with their volumes fluctuating as the rotor rotates.
3) Gas entering the intake chamber is compressed and then efficiently expelled through the exhaust valve, ensuring optimal performance.
4) Oil injected into the intake chamber is crucial for sealing, lubrication, and cooling. This oil, driven by the compressed gas,
is roughly separated by gravity upon entering the fuel tank, with small oil molecules progressing to the exhaust filter.
The sophisticated circulation system ensures collected oil returns to the pump chamber, with a float valve maintaining pressure to prevent atmospheric intrusion during oil shortages.
This system prevents vacuum interruption by breaking the vacuum from the fuel tank to the pump chamber's suction side.
5) Oil circulation is maintained through a precision-engineered pressure difference.
Our product can be customized to an explosion-proof variant, making it ideal for industries such as petroleum, chemical, mining, medicine, oil depots, gas stations, liquefied gas stations, gas pipeline stations, and aerospace.
For enhanced protection, users can install an inflatable electromagnetic pressure differential vacuum valve at the pump's inlet. This valve acts automatically to disconnect the vacuum system and introduce air into the pump chamber when the pump stops or loses power, preventing oil backflow and system contamination.
Material selection is flexible; if other materials are required, please email us to discuss options.
All spare parts are sourced from leading international brands, ensuring unmatched quality and reliability.
More Pictures
Shenyang Haipurui Vacuum Technology Co., Ltd. proudly stands as a dynamic high-tech enterprise, uniquely focused on innovative advancements. As a leader in the vacuum technology arena, we dedicate ourselves to the R&D, design, manufacturing, sales, and service of state-of-the-art vacuum pumps and complete vacuum systems. Our expansive 20-acre facility boasts a modern 7,000m plant, staffed by seasoned professionals with extensive industry experience. By leveraging cutting-edge vacuum technology and tailoring solutions to meet specific user needs, we strive to enhance product design and application continually. This commitment ensures we deliver optimal vacuum solutions across diverse industrial sectors. Our excellence is recognized through ISO9001 quality management certification, alongside a collection of patents and software copyrights, empowering us to elevate product and service standards.
Our innovative product offerings are primarily divided into two core categories:
First, we excel in vacuum obtaining equipment, featuring an impressive range of products: 2BV, 2BE, SK, and 2SK series liquid ring vacuum pumps, as well as SY and 2SY series liquid ring compressors. Additionally, our ZJ series Roots vacuum pumps, LGB series screw vacuum pumps, and rotary vane vacuum pumps from the XD, 2XZ, and 2X series showcase our capability. The WLW reciprocating vacuum pump also highlights our diverse portfolio in this category.
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.