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The company has successively established long - term and stable cooperative relationships with the Chinese Academy of Sciences, Tianjin Cement Design Institute, Nanjing Cement Institute, Northern Design Institute, Metallurgical Design Institute, Non - ferrous Design Institute, Beijing University of Chemical Technology and other institutions. The products developed by the company have their own characteristics. Among them, single - unit dust collectors, chain conveyors, dust humidifying mixers and other products are widely praised by users.
Botou Premium Mechanical Equipment Co., Ltd. is willing to work hand in hand with colleagues and friends from all walks of life, and make joint efforts and common development to protect the earth and create a clear water and blue sky shared by mankind.

Main Business

Botou Premium Mechanical Equipment Co., Ltd. is an enterprise integrating design, manufacturing, installation and after - sales service. It has advanced production equipment such as laser cutting machines and welding robots.

Star Discharge Valve

Star Discharge Valve
The rotary airlock discharger is a key device for dust collection and bulk material systems, enabling continuous, uniform discharge while maintaining airtight sealing to prevent air leakage, backflow, and dust emission.
It features compact structure, stable operation, anti-clogging design, and low maintenance, with VFD speed control for precise feeding and 24/7 operation. Widely used in grain, feed, chemical, construction, mining, and environmental industries, it supports customization for high-temperature, corrosion-resistant, and explosion-proof conditions.
18617725866
+86 18617725866
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Product Features

Product Name

Rotary Discharger, Star Discharger, Rotary Airlock Valve


Product Classification

Classified by structure: standard type, pressure-resistant type, high-temperature resistant type and anti-clogging type. Classified by drive mode: electric type and VFD adjustable type. Classified by material: cast iron, carbon steel, 304/316 stainless steel. Widely matched with dust collectors, silos, conveyors and pipeline systems for air locking, quantitative discharging and uniform feeding of powder, granular and small lump materials.


Product Description

The rotary airlock discharger is an essential supporting device for industrial dust removal and bulk material conveying systems. Adopting a volumetric rotary discharging principle, it realizes continuous, uniform and stable automatic material discharging. With excellent airtight sealing performance, it effectively prevents air leakage, backflow and dust overflow in pipelines and silos, stabilizes system air pressure, and avoids material waste and workshop dust pollution. Featuring compact structure, stable operation, anti-clogging performance and low maintenance, it supports VFD speed regulation for precise quantitative feeding and 24-hour continuous operation. Widely used in grain, feed, chemical, building material, mining and environmental protection industries. Custom high-temperature resistant, anti-corrosion, explosion-proof and enhanced sealing versions are available for special working conditions.


Key Advantages

1. Excellent Airtight & Dust-Tight Performance

Precise rotor and shell matching plus multi-sealing design ensures excellent airtight performance. It effectively solves air leakage and dust spilling during discharging, stabilizes system air pressure and reduces material loss, fully complying with international environmental production standards.

2. Uniform & Quantitative Discharging

Volumetric uniform discharging ensures stable output without material breakage or surging. Equipped with VFD motor, it achieves precise flow control, perfectly suitable for automatic batching, continuous conveying and dust removal discharging systems.

3. Anti-Clogging & Stable Operation

Optimized large flow channel and smooth rotor structure effectively avoid material accumulation and jamming. Wear-resistant core parts support long-term high-frequency continuous operation with ultra-low failure rate, meeting factory continuous production demands.

4. Fully Enclosed & Eco-Friendly

Fully enclosed operation realizes zero dust leakage during discharging, improving workshop cleanliness and eliminating material waste. It meets strict European and American environmental assessment standards.

5. Easy Installation & Low Maintenance

Standard flange connection enables fast and simple installation with small space occupation. Compatible with conveyors, bucket elevators, dust collectors and silos. Simple structure and universal spare parts realize maintenance-friendly operation, greatly reducing maintenance and downtime costs.

6. Customized Solution for All Industries

Available in cast iron, carbon steel and stainless steel. Custom high-temperature resistance, corrosion resistance, explosion-proof and VFD configurations are available to fit grain, feed, food, chemical, mining and environmental protection industries.


Slogan

High Airtight Sealing, Uniform Quantitative Discharging, Anti-Clog & Wear-Resistant — Professional Rotary Airlock Valve for Industrial Dust Removal & Conveying Systems

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Factory Display

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FAQ

What products does Botou Premium Mechanical Equipment Co., Ltd. manufacture?

We manufacture various dust collectors and accessories, including screw conveyors, tubular screw conveyors, bag dust collectors, and single-unit bag dust collectors.

What industries do your products serve?

Our products are widely used in cement, metallurgy, chemical, and other industrial sectors. Some of our products have also entered international markets.

What makes your products different from competitors?

Our products feature advanced technical design, high-quality materials, strict quality control, and innovative features. Products like single-unit dust collectors, chain conveyors, and dust humidifying mixers are highly praised.

Does the company provide installation and after-sales service?

es. We provide full installation guidance, commissioning, and timely after-sales support to ensure smooth operation.

Can you cooperate with research and design institutes?

Yes. We have long-term cooperative relationships with institutions like the Chinese Academy of Sciences, Tianjin Cement Design Institute, Nanjing Cement Institute, and Beijing University of Chemical Technology.

How does Botou Premium Mechanical Equipment contribute to environmental protection?

We focus on producing efficient dust collection and dust control equipment to minimize industrial emissions, helping to protect the environment and create clean air and water.

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