Rotary Airlock Valve

About JNC Valve

JNC Machinery is a leading manufacturer of rotary airlock valves and bulk material handling solutions based in Changzhou, China. With years of engineering expertise, we design and produce high-performance valves trusted by industries globally.

Our rotary valves are engineered to handle a wide range of dry powders, granules, and pellets under various pressure and temperature conditions. Whether it's flood-fed granular materials or fine, abrasive powders, JNC offers tailored solutions that ensure minimal product degradation and maximum uptime.

1000+

Global Clients

15+

Years Experience

50+

Countries Served

Industry Solutions

JNC rotary valves deliver reliable performance across diverse industrial applications, from powder processing to pellet handling.

Powder Handling Solution

JNC rotary valves provide complete and innovative solutions for global bulk powder processing plants. Utilizing various rotor designs, our valves are optimized for handling fine, cohesive, or abrasive powders with minimal leakage and maximum efficiency.

Low leakage design
Anti-stick rotor options
Ni-hard casting for abrasives
Suitable for food, pharma, chemicals

Pellets & Granular Solution

Designed to handle pellets and granular materials under flood-feed conditions, our Heavy Duty Granular Valves feature anti-blocking inlets for gentle product handling with minimal damage.

Flood-feed compatible
Anti-jam inlet design
Durable construction
Ideal for plastics, pellets, grains

Our Products

High-performance rotary valves engineered for durability, precision, and reliability.

Granular Rotary Valve

Designed for flood-fed conditions with anti-blocking inlet. Ideal for pellets, grains, and plastics.

Dust Control Rotary Valve

Minimizes dust emission with tight sealing and precision machining. Suitable for pneumatic conveying.

Medium Duty Rotary Valve

Balanced performance for general industrial applications. Cost-effective and reliable.

Standard airlock design for pressure isolation in conveying systems. Durable and easy to maintain.

Heavy Duty Rotary Valve

Reinforced housing and rotor for high-pressure, high-temperature, and abrasive applications.

RBL Blow-thru Rotary Valve

Optimized for blow-through conveying systems with enhanced airflow and reduced blockage.

Fast Clean Blowing Seal

Quick-cleaning design with purge ports for hygienic and sanitary applications.

Fast Clean Rotary Valve

Designed for CIP/SIP processes. Easy disassembly and cleaning for food, pharma, and chemical use.

RBC Blow-thru Rotary Valve

High-efficiency blow-thru valve with balanced rotor and low pressure drop.

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Why Choose JNC?

Engineered excellence, global trust, and unmatched support.

Global Reach

Our products are sold globally across 50+ countries, trusted by leading industries in powder and bulk solids handling.

Maintenance & Re-engineering

We offer full maintenance and re-engineering services to extend the life of your rotary valves and reduce downtime.

Customized Solutions

Flexible manufacturing and commercial capabilities allow us to meet unique customer requirements and expectations.

Comprehensive Support

From installation guidance to troubleshooting and maintenance, JNC provides full lifecycle support for all our rotary valves.

Technical documentation and manuals
Video tutorials and training
On-site and remote support
Spare parts and upgrades
Re-engineering and refurbishment

Have Questions?

Visit our official website for detailed FAQs, maintenance guides, and video resources.

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Rotary Airlock Valves & Powder Handling Solutions