screw pumps for agriculture use made in China ( doyin QG series )

3QG / 4QG

Applications:

For water supply from wells or reservoirs.

For domestic use,for civil and industrial applications.

For garden use and irrigation.

Operating conditions:

Maximum sand content: 3%.

Maximum immersion: 15m.

3QG Minimum well diameter: 3"

4QG Minimum well diameter: 4"

Motor for 50HZ:

Rewindable motor.

Three-phase:380-415V/50HZ.

Single-phase:220-240V/50HZ.

Equip with start control box or digital auto-control box

Special features available:

Other voltages.

Frequency 60HZ.

Other mechanical seal.

Equip with Auto-control box.

Motor for 60HZ:

Rewindable motor.

Three-phase:220-380V/60HZ.

Single-phase:110-220V/60HZ.

Internal diameter of outlet:

1".

POWER: 0.33HP, 0.5HP,0.75HP,1HP,1.5HP

Warranty:

1 years.

(according to our general sales conditions)

packed in cartons or cylinders. Some special package in wooden cases.

DOYIN INTRODUCTION

Zhejiang Doyin Pump Industry Co., Ltd, founded in 1993, is the leading submersible pumps, onshore pump designer and manufacturer in China; we are specialized in designing, manufacturing and sales for our products. Our 2013 annual output value reaches 77 million USD. Now we are the biggest manufacturer and exporter for submersible pump in China. A total of more than 40 series and almost 2000 models developed by our R&D team were exported to Europe, Africa, Middle East and South Asia. In many countries and regions, Doyin has remarkable reference and considerable market share. Doyin will be appearing on the market in 2015.

DESIGN CONCEPT

Our unique design feature originates from rich experience and innovation spirit of our engineers in many fields such as agriculture/forestry irrigation, living water, industrial water, water pumping stations, municipal engineering, construction water supply and sewage/water treatment. Doyin people are always committed to explore the most updated, scientific and comprehensive water solution and share it with our customers.

QUALITY PURSUIT

“International Doyin brand with golden quality” is our never-ending pursuit. Doyin set up a world-leading pump R&D center, testing center and laboratory; we have first-class production equipment and testing equipment, in strict accordance with the ISO9000 quality management system standard, focusing on each detail for the product. Doyin did at least 500 times experiments every year on various kinds of stator, rotor, motor, impeller and pump body. Fabrication process is one of our strongest advantage, 95% products of Doyin are customized. Compared to products with same model from other suppliers, under same capacity and head, Doyin products are more safe, reliable and cost-effective. Doyin pump is running more stable with less vibration and noise under water.

FABRICATION ADVANTAGE

Doyin has been doing OEM job for Italian brands for many years, which makes the best guaranty for Doyin technical advantages with Euro-style design. Our Italian client was amazed at our productivity and quality when visiting our factory. Doyin product was certified by CE, GS, SONCAP, SGS and TUV, in full compliance with international standards. Every product we manufacture must meet our strict quality standards or it doesn’t carry Doyin name.

DOYIN ABILITY

Doyin entered international market in 1999; we are ambitious enough with global vision. With more than ten years’ development, through a series of exhibitions and customer visits, Doyinhas established brand image and reputation in many places of the world. We have achieved fruitful results and won high praises from customers in Europe, Africa, Middle East and South Asia.