1.Pressure changes automatically when system resistance changes.

2.Flow changes in little when pressure changes.

3.Medium is free of oil.

4.The flow range is wide and can be chosen conveniently by users.

5.Different seal type to meet the requirements of varied medium.

6.Specifications are various such as vertical, horizontal, positive pressure, and negative pressure.

7.Advanced structure ensuring reliably running, longer lifespan, easily operation and maintenance.

1. Q: Delivery Time
A: It depends on the model and quantity, we can arrange delivery within one week. Pls confirm this with our sales before order.

2. Q: Delivery term
A: by sea, by air, or train are ok.

3. Q:  MOQ
A: 1 set, we can accept 1 set roots blower order, no matter how many you want to buy, we can accept.

4. Q: payment term
A: T/T, L/C, cash, Ali pay, pay by wechat, etc.

5. Q: Package type
A: Plywood crates. For large size package, we have steel frame inside to ensure the package is strong enough for delivery.

6 Q: Warranty
A: 12 months since customer receiving the goods.

7. Q: Standard Accessories includes
A: For whole set roots blower, accessories includes: common base, inlet silencer, outlet silencer, check valve, pressure gauge, safety valve, flexible joint, v-belts, belt cover, pulleys, bolts & nuts, etc.
If there's any needs for other accessories, pls note it out before order.
We also could provide bare shaft blower only.

8. Q: Customers countries
A: We have 30 years' experience in this field, almost customers from all over the world are buying and using our roots blowers and vacuum pumps, countries including: Pakistan, Indonesia, Malaysia, Vietnam, Thailand, Russia, Mexico, America, Ecuador, Brazil, India, Belarus, Norway, South Africa, and so on.