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Precision Rotary
Feeder & Airlock Valves

High-performance stainless steel and carbon steel rotary valves for dust collection, powder handling, and industrial pneumatic systems. Engineered in China for global reliability.

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Your Professional & Reliable Partner

Changzhou Changhong Xianglong Machinery Technology Co., Ltd. is a specialized company engaged in the research and production of air sealing machines, star-like material handling equipment, rotary valves, and electrical air locks. With years of commitment to innovation, we deliver robust solutions trusted worldwide.

Our factory is equipped with advanced machinery and a professional design team, ensuring every valve meets strict quality standards. From R&D to manufacturing, we maintain full control over product excellence.

1 Year
Warranty on All Valves
-20°C to 200°C
Operating Temp Range
Carbon Steel Rotary Feeder Valve Pneumatic Rotary Valve Stainless Steel Rotary Airlock Valve Electric Power Rotary Feeder

Industrial Valve Solutions

Engineered for durability, precision, and seamless integration in demanding environments.

Rotary Feeder Valve

High Temp Valve

Sanitary Valve

Pneumatic Valve

Featured Products

High-quality rotary valves with customizable sizes and configurations.

Carbon Steel Rotary Feeder Valve

Carbon Steel Rotary Feeder Valve

  • Material: Carbon Steel
  • Size: Customized
  • Height: 220-900mm
  • Warranty: 1 Year
Get Quote
Stainless Steel Rotary Airlock Valve

Stainless Steel Rotary Airlock Valve

  • Material: Stainless Steel
  • Voltage: 220V / 380V / 440V
  • Height: 220-900mm
  • Warranty: 1 Year
Get Quote
Dust Collector Rotary Feeder Valve

Dust Collector Rotary Feeder Valve

  • Capacity: 1L, 2L, 4L, 8L, 16L, 25L, 40L
  • Material: Carbon Steel
  • Height: 220-900mm
  • Warranty: 1 Year
Get Quote
Pneumatic Stainless Steel Rotary Valve

Pneumatic Stainless Steel Rotary Valve

  • Size: DN50-DN700
  • Voltage: 220V / 380V / 440V
  • Material: Stainless Steel
  • Warranty: 1 Year
Get Quote
Electric Power Rotary Feeder Valve

Electric Power Rotary Feeder Valve

  • Drive: Direct
  • Volume: 2L
  • Operating Temp: -20°C to 200°C
  • Warranty: 1 Year
Get Quote
SKF Bearing Air Lock Valve

SKF Bearing Air Lock Valve

  • Feature: ETFE Inside Sealing
  • Bearing: SKF or Equivalent
  • Application: Industrial Pneumatic
  • Warranty: 1 Year
Get Quote
Flange Rotary Feeder Valve

Flange Rotary Feeder Valve

  • Design: Upper and Below Round
  • Size: 6 Inches
  • Mounting: Flanged
  • Warranty: 1 Year
Get Quote
Variable Volume Stainless Steel Valve

Variable Volume Stainless Steel Valve

  • Feature: Pressure Reducing Structure
  • Application: Grain Transport
  • Port Size: Variable
  • Warranty: 1 Year
Get Quote

Why Choose Our Valves?

High Quality

Strict quality control system with professional test lab. RoHS compliant and factory-certified for reliability.

Advanced Development

In-house design team and modern workshop ensure innovation, customization, and fast turnaround.

Global Support

Serving customers worldwide with technical support, samples, and OEM/ODM services.

1 Year
Standard Warranty
-20°C
Min Operating Temp
200°C
Max Operating Temp
DN50-DN700
Size Range

Frequently Asked Questions

What materials are your rotary valves made from?

We manufacture valves from carbon steel and stainless steel (304/316), depending on application requirements for corrosion resistance and durability.

Can you customize valve size and voltage?

Yes, we offer customized sizes from DN50 to DN700 and support voltages including 220V, 380V, and 440V based on regional standards.

What is the operating temperature range?

Our valves are designed to operate reliably from -20°C to 200°C, making them suitable for a wide range of industrial environments.

Do you provide samples?

Yes, sample units are available upon request to ensure compatibility with your system.

Get in Touch

For quotes, technical support, or customization inquiries, visit our official website to connect with our team.

Visit Official Website

Changzhou Changhong Xianglong Machinery Technology Co., Ltd

Email: [email protected]

Phone: 86-519-86352543

Mr. Pan | Sales Contact

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