diaphragm pump, chemical pumps

QBK series air operated diaphragm pumps is driven by air. It is a kind of positive displacement pumps which volume changes caused by compressing diaphragms in both side. This pump not only can exhaust the flow liquid, but also can convey some uneasy flowed medium, with the merits of self priming pump, slurry pump and impurity pump, etc.

Specification                                                                                   

Application                                                                                     

Our air operaterd diaphragm pump are often used in chemical industrial, such as acid, alkali and chemical wastewater. Following pictures is from our customers.

Product Image                                                                                 

Wenzhou Defu Machinery Co., Ltd, founded in 2012, is an enterprise in designing, developing, manufacturing and selling water pumps, including diesel engine pump, centrifugal pump, self priming pump, diaphragm pump and other pump.  Our factory name is Shanghai Y&L pump co., ltd., which located in Shanghai.

Feedbacks and Transactions

1. Q: Whats the MOQ ?

A: 1 set for regular product ,the special one we need to discuss.

2. Q : What're your payments ? 
A: For small order valve < 4000USD, our customer chose 100% T/T.

For order valve >4000USD, we can accept 30 % T/T inadvance , 70 % should be paid before shipping.

3 . Q : How long is the deliver time ?
A : For the order in stock ,we will deliver goods at once against payment.
For the orders out of stock , the products time is 7 days for bare pump, 25days for electric pump set or diesel engine pump set , the deliver time is base on the shipping date and your order by sea.

4. Q: What about the package ?
A : Standard export Plywood case .

5.Q : How is the pump delivered to us ?
A : For small order will be delivered by internation express ,like DHL,TNT ,FEDEX,UPS.
For large order ,it will be delivered by air ,sea ,vehicle or multi-modal transport.

6. Q : How long is the warranty ?
A: According to the internation standards , pump in standard operation is 1 year ,3 monthes for spare parts.

Or Click ↓ " Send " ↓ with your requirement.