1/2" DP31 Stainless steel Air Operated Double Diaphragm Pump

FEATURES AND ADVANTAGES:

1."Stall-free" design .

2. Pilot air-distribution valve provides an positive,reliable,faster shift signal that avoids stall-out,and provides faster pump trip-over with less pulsation.

3. Self-lubricating,lube-free and maintenance-free air distribution system.

4. The use of dual ceramic dynamic seals for both of major air valve &  pilot air valve.

5. Less Air Consumption.

6. Anti-icing design.

7. Installation Dimensions And Footprint Are Perfectly Compatible With Other Brand.
 

ABOUT OUR COMPANY

Qingdao Nuodean Fluid Equipment Co., Ltd, is engaged in the researchment & development, production, sales of diaphragm pumps. We have our own core technology and patents. Our pumps have been sold to many countries in the world. We are professional in the field of diaphragm pumps.

Our company culture is "Quality and Innovation".
For quality, in order to ensure the provision of high-quality goods to our customers, we strictly control every step from detailly designing, selecting of raw material, monitoring of every production process, testing, to final package.
For innovation, we mainly devide it into two parts:
1. We continuously upgrade and improve our existing products to further enhance their performance.

2. We continuously develop new products to meet more needs of our customers.

In addition to the DP series products that are our core products, there are other series of products, such as W series, ZG series, etc., to meet the needs of different user groups.
 

Thank you for reading the introduction about our company. Our company believes that we can cooperate very quickly, and our company believes that our cooperation will be very exciting and brilliant. We will benefit from each other, make progress together, and move towards tomorrow's brilliance and success.
 

FAQ
Q1: Are you a trading company or manufacturer (factory)?
A1: We are one of professional manufacturers in China, specialized in the field of diaphragm pumps. We have own technology and patents. Our pumps have been sold to many countries in the world.

Q2: What materials of diaphragm pumps do you have? What sizes of diaphragm pumps do you have?
A2: We have aluminum, stainless steel, cast iron, polypropylene, and PVDF material for diaphragm pumps. Our Pump size range is from 1/4"to 3".

Q3: What is the delivery time when the customer will place the order?
A3: It usually takes 7 days, and depends on the quantity.

Q4: What is MOQ?
A4: 1pc is available.

Q5: How well is your factory doing in quality control?
A5: Our factory passed ISO 9001. For quality, in order to ensure the provision of high-quality goods to our customers, we strictly control every step from detailly designing, selecting of raw material, monitoring of every production process, testing, to final package.

Q6: What about package?
A6: Cartons or wooden case, both are available on request.

Q7: Can you provide OEM or ODM service?
A7: Yes.

Q8: What's the payment?
A8:  T/T,  and Western Union , please confirm with us with exact order.

Q9: How are the products delivered to us?
A9: By Sea, By air or By International express.

Q10: How long is the warranty?
A10: 1 year warranty. (except wearing parts).

Q11: Whether the products can be made of different standard?
A11:  Of course yes. We could produce product according to customer need.