roots vacuum pump with direct drive usually apply for vacuum system
70 -2500 l/s
ZJ and ZJP Series Roots Vacuum Pump is a positive displacement pump, also known as
mechanical booster pump, which is one of the main equipment to obtain the middle and
high vacuum degree. Its working principle is similar to roots blower, which use two figure
8 rotor synchronous rotation in the pump shell, so as to complete the suction and exhaust
The main advantage of ZJ and ZJP series roots vacuum pump is a high pumping speed at
the lower inlet pressure with high ultimate vacuum. Since the pump running parts have no
contact, such as rotors and the end cover, so the pump performance is stable and long
service time. low maintenance cost
Roots vacuum pumps are widely used in vacuum smelting, vacuum welding, vacuum casting,
vacuum coating, vacuum drying, vacuum dynamic experiment and chemical pharmaceutical,
electric vacuum device manufacturing industries.
Standard export wooden cases packing
Sea transport /Air transport ( DHL ,TNT , Fedex... )
Delivery time: 15 working days
Response in 24 hours
Long quality guarantee
Different delivery available
Q: Is it possible to buy your product from local distributors?
A: Absolutely. We have dozens of distributors around the world, in German, USA, Russia,
India, Thailand etc.
Q: How long does your product quality warranty last?
A: One year for all our products against any non-artificial quality problem since the product
leave our factory. We could also offer a longer warranty, but the price will be a little higher.
Q: What will you do with quality complaint?
A: All of our products are tested before the delivery. No product that failed performance test
leaves our factory. Our engineer team is always at your disposition to resolve your problems
about installation, operation and maintenance.
Q: What about your delivery time?
A: It depends on your pump technology. Generally 15 days after we receive the deposit or the
prepayment. We will confirm you again when we start to produce.
Q: Do you accept L/C payment?
A: Of course. Besides, we accept T/T payment, 30% prepaid as deposit and 70% against B/L.