Ecer asks for your consent to use your personal data to:
Personalised advertising and content, advertising and content measurement, audience research and services development
Store and/or access information on a device
Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 135 TCF vendor(s) and 65 ad partner(s), or used specifically by this site or app.
Some vendors may process your personal data on the basis of legitimate interest, which you can object to by do not consent. Contact our platform customer service, you can also withdraw your consent.
Your message must
be between 20-3,000 characters!
Submit Requirement
Thank You！
Your requirement has been sent. we will contact you quickly!
{"title":"Stainless Steel Easy Cleaning Stable Conveying Rotary Valve for Powder Handling","imgUrl":"https:\/\/img.chinax.com\/nimg\/f8\/93\/81db4254bff747dac55df5d5d2c2-200x200-1\/stainless_steel_easy_cleaning_stable_conveying_rotary_valve_for_powder_handling.jpg","attrs":{"Adjustable Flow":"Adapts to different material needs","Compact Design":"Saves space.","Maintenance":"Easy to inspect and maintain.","Voltage":"220V\/380V"}}
{"title":"Stainless Steel Easy Cleaning Quick Dismounting Rotary Valve for Powder","imgUrl":"https:\/\/img.chinax.com\/nimg\/44\/8f\/5882c63762d63e2571e52b5c969d-200x200-1\/stainless_steel_easy_cleaning_quick_dismounting_rotary_valve_for_powder_conveying.jpg","attrs":{"Leakage":"No internal gas leakage","High Safety":"Prevents gas backflow.","Rid Control":"Yes","Rotary Control":"Precise flow adjustment."}}
{"title":"Stainless Steel Hygienic Rotary Valve with Quick Dismounting for Stable","imgUrl":"https:\/\/img.chinax.com\/nimg\/75\/8f\/f3dca2b2ad2696d24b80c0a5d65e-200x200-1\/stainless_steel_hygienic_rotary_valve_with_quick_dismounting_for_stable_conveying_in_food_processing.jpg","attrs":{"Coating":"NO","Easy Maintenance":"Simple to clean and maintain.","Productname":"Powder Rotary Valve","Sealtype":"Mechanical Seal \/ Labyrinth Seal"}}
{"title":"Conventional Blow Thru Rotary Valve For Gravity Feeding \/ Discharging","imgUrl":"https:\/\/img.chinax.com\/nimg\/ec\/0b\/a1d89bf2c9a61af451eac30f3351-200x200-1\/conventional_blow_thru_rotary_valve_for_gravity_feeding_2f_discharging.jpg","attrs":{"Brand Name":"Doerbitz","Place of Origin":"CHINA JIANGSU WUXI","Minimum Order Quantity":"1","Price":"negotiable"}}
{"title":"Blow Through Quick Release Rotary Valve Explosion Proof And Dust Proof","imgUrl":"https:\/\/img.chinax.com\/nimg\/3f\/cf\/575a78a94600bc3037b1b7415caa-200x200-1\/blow_through_quick_release_rotary_valve_explosion_proof_and_dust_proof.jpg","attrs":{"Brand Name":"Doerbitz","Place of Origin":"CHINA JIANGSU WUXI","Minimum Order Quantity":"1","Price":"negotiable"}}
{"title":"Quick Change Blow Through Rotary Valve In Gas Conveying Process","imgUrl":"https:\/\/img.chinax.com\/nimg\/4d\/84\/cec5f42a7bed2d9addd9548126fa-200x200-1\/quick_change_blow_through_rotary_valve_in_gas_conveying_process.jpg","attrs":{"Brand Name":"Doerbitz","Place of Origin":"CHINA JIANGSU WUXI","Minimum Order Quantity":"1","Price":"negotiable"}}
{"title":"Quick Release Blowing Style Powder Rotary Valve For Gravity Feeding \/ Dischargin","imgUrl":"https:\/\/img.chinax.com\/nimg\/f7\/e8\/178d306881c0703f30cf5a970734-200x200-1\/quick_release_blowing_style_powder_rotary_valve_for_gravity_feeding_2f_discharging.jpg","attrs":{"Brand Name":"Doerbitz","Place of Origin":"China JIANGSU WUXI","Minimum Order Quantity":"1","Price":"negitiable"}}
The Doebritz Quick-Wash Buffer Hopper Rotary Valve is an advanced material handling and precision-metering component. It functions as an ultra-reliable rotary airlock and metered feeder, explicitly engineered to achieve consistent material flow and reliable gas isolation directly above packing and bag-filling machines in powder processing lines.
Application Scenarios
Uncontrolled gravity rushes or material flushing from an upper buffer hopper into a packing scale can instantly distort weight readings, leading to severe bag filling errors and product waste. Built to provide reliable volumetric control and eliminate flow interruptions, this specialized easy-cleaning rotary valve is widely deployed beneath buffer bins, surge hoppers, and intermediate storage silos feeding automated packaging scales in the food, pharmaceutical, and fine chemical industries.
Core Advantages
Stable Conveying (Guarantees Packing Accuracy): Packaging lines require highly uniform feeding to maintain bagging speed and weight tolerances. Our precision-machined rotor pockets deliver exact volumetric displacement per revolution, ensuring perfectly uniform and stable conveying into the dosing screw of the packing machine.
Easy Cleaning (Fast Batch Changeovers): The innovative fast-opening structure allows a single operator to quickly release the end plate fastenings and slide out the rotor within minutes, facilitating immediate thorough water or air washdowns to eliminate all cross-contamination risks.
Stainless Steel Execution: Manufactured entirely from heavy-duty premium stainless steel (SUS304 / SUS316L), the structural surfaces resist high frictional wear from moving fine powders while ensuring strict compliance with global food-grade and hygienic processing regulations.
Performance Data
To guarantee stable operations under continuous storage hopper load and typical pneumatic pressure differentials, our equipment is backed by verified engineering parameters:
Pressure Resistance: Precision-machined to safely maintain perfect sealing performance in pressure boundaries running from -0.5 to 2 bar, preventing vacuum or positive air from blowing back into the packaging hopper.
Thermal Adaptability: Functions securely without pocket jamming across a wide working temperature range of -10 to 150°C, handling warm dried or ambient powders seamlessly.
Processing Capacity: Engineered for continuous high-speed packaging efficiency, providing exact volumetric output with a maximum capacity of up to 634 L/min.
Technical Specifications
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
System Compatibility
Automated Packing Scales & Buffer Hopper Outlets
Structure Design
Easy Cleaning (Tool-less Quick-Opening Fast Wash Type)
Key Benefits
Integrating this Doebritz high-efficiency rotary valve provides immediate, tangible value to your automated packaging line. It actively eliminates powder flushing and bag weighing errors, dramatically improves batching and conveying stability for fine powders, and significantly lowers formula changeover downtime via its highly accessible tool-less easy-cleaning design.
Frequently Asked Questions
Why do I need a rotary valve between the buffer hopper and the packing machine?
Fine powders stored in a buffer hopper can easily fluidize or flush down under their own weight, flooding the packing screw and causing severe weight overshoots. A rotary valve acts as a mechanical airlock gate that isolates the head load of the hopper and feeds the packing line at a steady, controlled volumetric rate, protecting your packing accuracy.
How does the quick wash design help prevent cross-contamination between different batches?
Traditional valves require full tools and lengthy pipe removal to clear internal residue. Our quick-clean mechanism features tool-less knobs or clamps. Technicians can completely open the valve body, extract the rotor assembly, and fully wash or wipe out any old leftover powders within minutes, making batch changeovers swift and safe.
Can this valve handle pressure variations coming from downstream pneumatic conveying lines?
Yes, absolutely. The precise internal clearances between our stainless steel rotor and the main housing function as an exceptionally tight airlock across -0.5 to 2 bar, preventing warm or damp conveying gases from blowing back up into your packaging buffer hopper.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
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...
