Valve Control Unit, Automatic Control Regulating Valve

Mixproof double seat valve

The valve has the function of online original CIP cleaning and SIP sterilization, which can ensure the cleanliness of the valve in the production process of the food, pharmaceutical and other industries, and effectively reduce the risk of bacteria and pollution.
Mixproof double seat valve also has the characteristics of leakage finding. It can find and treat the problem of leakage to avoid production loss and environmental pollution.

Diaphragm Valves

Donjoy has been manufacturing high-cleanliness diaphragm valves for 20 years and has applied more than 500,000 pieces in various fields, involving more than 300 varieties, such as 2-way, 3-way, U-shaped 3-way, multi-ports, adjustable, manual, pneumatic, electric, etc. And they are interchangeable.

Control unit

Valve positioner, valve control unit, valve position feeder. High -precision, valve leaking-proof, high efficiency, high cleanliness, accuracy settings, buttons operation, no need to disassemble

DONJOY HISTORY

DONJOY built up in 1993, with registered capital RMB 105.58millions, land of 27000㎡ and about 300 employees. We focus on developing high purity pump, valve control unit, automatic control regulating valve, aseptic valve, piping and vessel safety control technology, vessel and tank cleaning technology, piping and vessel lighting technology, ASME BPE pipe fitting, aseptic pipeline accessories and high clean tubing fitting. DONJOY's high professional products and technology are widely used in biopharmaceutical, semiconductor, new energy, food, drink, wine, fine chemical and other industrial fields.

PRODUCT SERIES

Mixproof Valve

Donjoy double seat mixproof valve enable the simultaneous flow of two different products or fluids through the same valve without risk of cross-contamination.Unique mixproof valve can online CIP and SIP, has pass USA-3A,CE,FDA certification.

Pump

Donjoy has over 30 years experience in designing and manufacturing rotary lobe pump. Our many regular customers feedbacked that donjoy pump can working more than 10 years.Meet USA-3A,CE and FDA certification.

Butterfly Valve

Donjoy has been producing butterfly valves for more than 27 years. Manufacturing more than 3 million units for various industries, Very flexible valve body combination, super long life, super small torque, Forged valve body, forged valve disc, Fully automatic robot production line.

TRADE APPLIANCE

FOOD AND BEVERAGE

High-clean pumps, valves, and pipes make food process control safer; Professional process control technology, customized services and ongoing research and development, make our solutions help customers meet the challenges of environmental, regulatory and other aspects together.

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SEMICONDUCTOR

DONJOY produces ultra-pure valves and pumps and control technology, beginning in 1993.

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BIOPHARMACEUTICAL

DONJOY has a wide range of biopharmaceutical product technologies. Our design incorporates USA-ASME BPE, 3-A, EU EHDEG high clean technology standards.

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FINE CHEMICAL

Complex and diverse working conditions in fine chemical industry require strictly to valves. High temperature and pressure conditions and aggressive media require special components and solutions.

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SERVICE

CATALOG DOWNLOAD VIDEO ANIMATION CERTIFICATE

CATALOG DOWNLOAD

Catalog download is mainly to give customers more detailed information about product parameters and other related products, and Dongzheng reserves the right to change the relevant parameters of the product!

If you need more detailed product information, please contact us!

VIDEO ANIMATION

If you need more detailed product information, please contact us!

CERTIFICATE

If you need more detailed product information, please contact us!

NEWS&BLOG

Company News Exhibition News Industry News

Sanitary Self-Priming Pump Selection Guide

In the food processing, pharmaceutical, and chemical industries, especially when the liquid level is below the pump inlet and outlet, or air may be present in the suction line, sanitary self-priming p

2025-08-19

How to optimize the sealing performance of the Mixproof Butterfly Valve?

Optimizing the sealing performance of mixproof butterfly valve requires the combination of proper selection, installation, and a rigorous maintenance schedule. Unlike standard sanitary butterfly valve

2025-08-08

Performance comparison analysis of sanitary ball valve and sanitary butterfly valve

Sanitary ball valves and butterfly valves each have their own characteristics and significant performance advantages in sanitary, food, dairy, pharmacy and chemical applications. Ball valves excel in precision sealing, high-pressure handling and corrosion-resistant fluids, while butterfly valves are favored for their cost-effectiveness, large flow rate and suitability for low-pressure large systems.

2025-07-31

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