Doebritz (Shanghai) Co., Ltd.
| Rotary Control | Precise flow adjustment. |
| Flange Drilled To | DIN PN10 / ANSI 150 |
| Static | Prevent static electricity accumulation |
| Capacity | Up to 50 m³/h |
| Sealing Performance | Ensures no gas leakage. |
| Sealing | High-temperature, corrosion-resistant |
| Pressurerating | Up to 0.5 MPa |
| Frequency | 50Hz |
| Inletdiameter | 50mm - 600mm |
| Outletdiameter | 100mm |
| Versatility | Suitable for various industries |
| Surfacefinish | Polished |
| Adaptability | Customizable for different materials. |
| Rotary Mechanism | Smooth flow control. |
| Gravity Discharging | Effectively discharges materials. |
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Product Specification
| Rotary Control | Precise flow adjustment. | Flange Drilled To | DIN PN10 / ANSI 150 |
| Static | Prevent static electricity accumulation | Capacity | Up to 50 m³/h |
| Sealing Performance | Ensures no gas leakage. | Sealing | High-temperature, corrosion-resistant |
| Pressurerating | Up to 0.5 MPa | Frequency | 50Hz |
| Inletdiameter | 50mm - 600mm | Outletdiameter | 100mm |
| Versatility | Suitable for various industries | Surfacefinish | Polished |
| Adaptability | Customizable for different materials. | Rotary Mechanism | Smooth flow control. |
| Gravity Discharging | Effectively discharges materials. | ||
| High Light | stainless steel powder rotary valve ，quick dismounting rotary valve ，powder conveying rotary valve | ||
The Doebritz Anti-Bridging Quick Opening Rotary Valve is an advanced material handling component specifically engineered for the bottom discharge of silos and hoppers. It functions as a highly reliable rotary airlock, achieving consistent volumetric feeding and absolute gas sealing while actively preventing powder bridging in pneumatic conveying systems.
Cohesive and poorly flowing powders frequently form arches or bridges at the discharge point of storage vessels. Built to eliminate these flow interruptions, this specialized rotary valve is widely deployed beneath large storage silos, surge hoppers, dust collectors, and weighing bins in the food ingredient, chemical, and mineral industries.
To guarantee stable operations under the static weight of silo materials and pneumatic pressure differentials, our equipment is backed by verified engineering parameters:
| Specification | Details |
|---|---|
| Material | Stainless Steel (SUS304 / SUS316L) |
| Working Pressure | -0.5 to 2 bar |
| Working Temperature | -10 to 150°C |
| Max Capacity | Up to 634 L/min |
| Flow Design | Anti-Bridging Inlet & Rotor Geometry |
| Structure Design | Quick Dismounting (Quick Opening Type) |
Standard valves often restrict flow, causing powder to pack at the inlet. Our anti-bridging valve features an optimized inlet shape and rotor configuration that actively draws material down, breaking the internal friction that causes arching or bridging.
Absolutely. Despite the enhanced flow design, the precise internal clearances between the rotor and housing act as a highly reliable airlock specifically suited for both vacuum suction and positive pressure pneumatic conveying (-0.5 to 2 bar).
Very fast. The "Quick Dismounting" mechanism allows operators to safely open the side assembly and clean the rotor without removing the heavy valve from the silo bottom, saving hours of maintenance time.
Company Details
Business Type:
Manufacturer
Year Established:
2018
Total Annual:
1M-1.2M
Employee Number:
40~45
Ecer Certification：
Verified Supplier
Doebritz China is a joint-venture of Doebritz German and some expert in China powder handling industry with rich experience. The mission of the company is to provide high cost-performance product to the market. At the moment, 4 major products are the key. Dosing valves from Doebritz German, FG sifte... Doebritz China is a joint-venture of Doebritz German and some expert in China powder handling industry with rich experience. The mission of the company is to provide high cost-performance product to the market. At the moment, 4 major products are the key. Dosing valves from Doebritz German, FG sifte...
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