Multi-stage Centrifugal Pump 

Introduction                                                                                     

This series of  pump is of sub-horizontal , multi-stage single-suction and centrifugal , using state-recommended hydromodule .  pump is efficient , reliable, and durable with low noise performa-nce , easy maintenance andwide scope of  usages . 

We specialize in manufacturing D ,DF,DY and MD series of single-suction multistage centrifugal

pumps based on our 20 years plus history and fame of biggest multistage pump manufacture. 

The pump is applicable to deliver those fluid without solid,particles or any other suspended stuff

,water for instance.While oily and corrosive or solid contained fluid can be pumped by means of

material modification,sealing methods,and cooling system adding.

Structure chart                                                                                

 Specification                                                                                    

Application                                                                                      

Horizontal Multi-stage centrifugal pumps according to their scope of use can be divided into the following types :

D type : Used for  transmission of water free of solid particles and temperature below 80℃ , or similar physical and chemical liquid . Suitable for mining ,mill and city water supply and 

drainage .

DF type : Used for transmission of corrosive liquid with temperature range for -20℃ ~105 ℃ 

and non-solid particles material ,sealing methods ,structure of the pump and motor model can be
determined by medium , gravity ,density ,working temperature and the suction pressure .

DY type : Used for transmission of non solid oily liquid and petroleum product with temperature

range of  -20℃ ~105 ℃ and viscosity less than 120sST .

MD type : Used for transmission of neutral liquid from mining well or other similar liquid .The 

density and size of particles of the sewage shall be less than 1.5 % and 0.5 mm respectively.The

temperature range of the sewage shall be  -20℃ ~80 ℃ .

Pump 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., whicn located in Shanghai.

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.

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