Rotary vane vacuum pump is mainly composed of pump body, rotor, rotary vane, end cover, spring, etc. Installing a rotor in rotary vane pump cavity, the outer circumference of the rotor is tangent to the inner surface of the pump chamber, the rotor slot inner is fitted with two rotary vane with springs. When it is rotating,centrifugal force and the spring tension makes the top of rotary vane (oil sealed rotary vane vacuum pump) keep contact with pump chamber wall, the rotating rotor drives the rotary vane to slide along the inner wall of the pump cavity

 Guangzhou Fan Bo Lun Import and Export Trade CO.,LTD.  Is a collection research and development, production, sales, experimental instruments and equipment of private enterprise, with solid strength, reasonable prices, excellent service and many enterprises established long-term relations of cooperati. first-class highly professional team,technical team,facilities and a meticulous quality control system,committed to be the respected leading enterprise in chemical instruments provide more efficient,energy saving.Good quality, customer trust, we always follow the principle of service.
Our flagship product
rotary evaporator, jacketed glass reactor, single layer glass reactor, circulating water vacuum pump, cooling chiller), vacuum drying oven (8l small lab  mini drying ove. vacuum drying oven ), blast drying oven, high-pressure reaction kettle, freeze dryer(lyophilizer), rotary vane vacuum pump, hydrothermal synthesis reactor, etc.

Service Promise(xd rotary vane vacuum pump)
1. Products quality guarantee is for one year, after the product was sold.
2. In the warranty period, the users operate according to instruction but meet problems, our company will maintain free of charge.
3. Beyond the warranty period, products problems can also be solved by my company maintenance, but charge wiring components fees properly.

Technology Service
1. We have a mobile repair service team in our company, to carry out maintenance , consulting services in China for many years.

2. Users encounter problems when using our products, please contact us by telephone or email, we will be ready to provide consulting, maintenance and other services immediately.

Packaging
-Export plywood case or carton.
-Both neutral and customized packaging are available.
Shipping
-Usually we ship the goods  by International Express such as DHL, TNT, EMS, FedEX and UPS for small volume goods, and ship the big volume goods by air or ocean.

1. What's the minimum order quantity?
One set at present.
2. When can the goods be delivered?
2-5 working days after payment for normal models and 5-10 working days for customized model.
3. Can you accept OEM or ODM?
Yes, we can.
4. How to choose the suitable equipment?
Tell us your requirements, our professional sales will introduce you the most suitable model.

We ship all glassware products with additional care, but sometimes they arrive broken. If glassware arrives broken, please contact us within 3 days

 of receiving your product and we will either send you a brand new piece or send you a refund! 

Any glassware is broken after delivery voids all warranties. Thank you for understanding!