2X-4A 4L/S Rotary Vane Vacuum Pump

FOB Reference Price:Get Latest Price
$255.00 - $355.00 / Units | 1 Unit/Units (Min. Order)
Lead Time:
Quantity(Units) 1 - 5 >5
Est. Time(days) 15 Negotiable
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Quick Details
Place of Origin:
Shaanxi, China
Brand Name:
Model Number:
Multistage Pump
Air Pump
no fuel
Low Pressure
Vacuum Pump
Standard or Nonstandard:
Supply Ability
Supply Ability:
200 Unit/Units per Month
Packaging & Delivery
Packaging Details
standard export wooden box
Tianjin or shanghai
Lead Time :
Quantity(Units) 1 - 5 >5
Est. Time(days) 15 To be negotiated
Product Description


This pump can be directly from the air start pumping, it can be used alone, can also be used as booster pumps, roots pumps, gas circulation cooled roots vacuum pump, oil diffusion pump, molecular pump, maintain the pump, titanium pump vacuum pump. For vacuum coating, vacuum heat treatment, vacuum metallurgy, electron tube, bulb, chemical, packaging, plastic forming, photovoltaic, industrial and mining enterprises of the distillation, drying, freezing, filtering, and vacuum operation.




A. this pump can be in the 5-40 range and inlet pressure < 1.33× 103Pa conditions, allowing long-time continuous operation;

 B. a gas valve, can be drawn in addition to a small amount of water vapor, prolong the pump oil using time;

C. neon manufacturing special vacuum pump, single crystal, polycrystalline furnace furnace, vacuum laminating machine supporting the operation.

D. can be separately used as low vacuum pump, also in combination with other high vacuum pumps as backing pumps.





Pumping speed 

4 L/s

Ultimate pressure

Partial pressure

≤6×10-2 Pa

Total pressure

≤1 Pa

Moter power

0.55 KW

rotary speed

450 r/min


≤40 ºC

Noise level

≤75 dBA

Inlet  diameter

25 mm

Oil capacity

1 L


540×335×380 mm

Electro-vacuum differential pressure valve


Cooling speed(L/mm)



64 Kg

flexible hose (5 meter length)







Packaging & Shipping



Our Services

Warranty Service


From the date of acceptance, we can provide 12 months quality guarantee, all the maintenance costs and accessories parts costs are free within the date of quality guarantee (spare and accessories parts costs from instrument faults by human factors will be charged proper costs).


After the date of quality guarantee, we will in charge of maintain instrument, and charge proper costs according to actual maintenance costs. 


Company Information

Company information



Our motto: First-Rate Service, First-Rate Quality.

Xi’an Heb Biotechnology Co., Ltd, is established in 2004, has passed more than 10 years, is a technological innovation-based enterprise provided with integration of research, develop, manufacture and marketing. Nowadays, our products has gotten extensive application in Asia, European and America, even spread all over domestic laboratories. The brand of Xi’an Heb has become one of the popular and reliable brands among our customers.



Main instruments in our company: double-layer glass reactor ( jacketed glass reactor), rotary evaporator, low-temperature cooling liquid circulating pump (DLSB refrigerated circulator or chiller), multi-purpose circulating water vacuum pump, high and low temperature circulating system, high temperature oil bath(heating circulation bath), diaphragm vacuum pump, rotary vane vacuum pump, water bath/oil bath series, incubator series, drying oven series, centrifuge series, ultrasonic cleaner series etc. These scientific experimental instruments and industrial assorted equipment amount to more than 10 series and 100 types. Our products passed ISO9001 International Quality System Certification,and some products passed CE certification. 


Welcome new and old customers to our factory, and we guarantee that our products have high-quality and more favorable price.


HEB wants to joint hands with you to create more precise experimental instruments.



1. Are you the factory?


Yes, we’re.

Established in 2004, we manufacture rotary evaporator, cylindrical jacketed reactor, cryostat etc.

In 2006 year, we associated with our soul partner QiXin instrument, developed commonly new production line, now, we manufacture CO2 Incubator, Cooling Incubator, Shaker Incubator, Blast Oven, Vacuum Oven, Climatic chamber and those products. Etc.


2. What is the delivery time?


Normally, we have stocks for our hot sale products, the delivery time is about 5-10 days. For the customized instrument, it’s about 10~20 days. 


3. What’s the warranty period? How do you provide this?


One year (12 months).

We have very strict inspection, the instruments which you received is high-quality and reliable.

If there’s any error, we’ll provide you the on line solution with in 12 hours. We’ll provide you the spare parts and the shipping cost totally free.

If the problem was caused by the instrument quality, and cannot be repaired, we’ll ship you the new one.


contact us

Contact us:


Xi'an HEB Biotechnology Co., Ltd.      


Add: No.3 Kechuang road, Yanta District, Xi'an city, Shaanxi, China

MT.: 86-15809185241

Tel: 86-029-88607291(Direct line)

Fax: 86-029-88265264

E-mail: anna (AT) heblab.com ;  anna_heb (AT)yahoo.com

Skype: anna_pcon

QQ: 2771291098