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Factory

Precision Sanitary Valves & Hygienic Fittings

High-performance valves, pumps, and tank equipment for food, pharmaceuticals, biotech, and more. Trusted in the USA, Europe, Middle East, and Asia.

Our Strengths

With decades of experience and cutting-edge technology, ZhengYu delivers reliable, hygienic solutions trusted globally.

Professional Equipment

Advanced machinery and expert management ensure precision and consistency in every product.

Production Strength

Diversified product lines with stable, reliable performance meeting global hygienic standards.

Strong Sales Team

Timely, thoughtful after-sales service ensures you're supported every step of the way.

Best Selling Overseas

Trusted in the Middle East, USA, Europe, and Asia with growing global presence.

ZhengYu Factory

About ZhengYu

WenZhou ZhengYu Light Industry Machinery Co., Ltd. was founded in 1984. We are dedicated to the R&D and manufacturing of high-precision sanitary valves, tank equipment, hygienic fittings, and filtration systems.

Our products are widely used in dairy, food, wine, beverage, pharmaceutical, water treatment, and fine chemical industries. With a commitment to innovation and quality, we serve clients across the globe.

Established

1984

Global Reach

USA, Europe, Middle East, Asia

Industries Served

Food, Pharma, Biotech, Chemical

Standards Compliant

DIN, SMS, 3A, IDF, ISO, BS

Our Products

High-precision, hygienic components for critical industrial applications.

ZKH Centrifugal Pump

ZKH Centrifugal Pump

Single stage, single suction, open impeller design. Ideal for high-efficiency fluid transfer in sanitary environments.

  • • Stainless steel construction
  • • Low NPSH required
  • • Complies with DIN, SMS, 3A standards
Pneumatic Butterfly Valve

Pneumatic Butterfly Valves

Available in vertical and horizontal configurations for precise flow control.

  • • Sanitary design
  • • Suitable for food, beverage, pharma
  • • Actuated for automation
Manual Ball Valve

Manual Ball Valve

Durable, leak-proof design with multiple connection options.

  • • Full port or reduced port
  • • 304/316L stainless steel
  • • Easy maintenance
Diaphragm Valve

Pneumatic Diaphragm Valves

Ideal for aseptic processes in pharmaceutical and biotech industries.

  • • Zero dead leg design
  • • Sterilizable
  • • Top-mounted actuator

Check Valves

Prevents backflow in stainless steel piping systems.

  • • Swing or ball type
  • • Low pressure drop
  • • Complies with hygienic standards

Hygienic Pipe Unions

DIN, SMS, 3A, IDF, RJT, DS standards available.

  • • Quick disconnect
  • • Leak-tight seal
  • • Easy cleaning

Aseptic Sampling Valves

Sterilizable sampling under aseptic conditions.

  • • Prevents contamination
  • • CIP/SIP compatible
  • • Compact design

Rotary Spray Ball

Superior tank cleaning with rotating spray pattern.

  • • 360° coverage
  • • Low maintenance
  • • High impact cleaning

Industry Applications

Our products serve critical processes across multiple high-demand sectors.

Food & Dairy

  • • Centrifugal & self-priming pumps
  • • Butterfly & ball valves
  • • Sampling & check valves
  • • Cleaning systems & manholes

Pharmaceuticals & Biotech

  • • Diaphragm & aseptic valves
  • • Sterilizable fittings
  • • CIP/SIP systems
  • • Zero contamination design

Beverages & Alcohol

  • • Flow control valves
  • • Safety & cut-off valves
  • • Tank top units
  • • Sight glasses & filters

Water Treatment

  • • Corrosion-resistant pumps
  • • Check & butterfly valves
  • • Filtration systems
  • • Hygienic piping

Fine Chemicals

  • • Chemical-resistant materials
  • • Leak-proof connections
  • • Cleaning technology
  • • Manholes & filters

Custom Manufacturing

We offer tailored solutions to meet your specific process requirements, including custom dimensions, materials, and certifications.

Contact Us

For product inquiries, technical support, or custom solutions, visit our official website to get in touch.

Visit Official Website

We do not display direct contact details publicly. All inquiries are handled through our official website.

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