Product Description:
The Mecair DB Series diaphragm repair kits are precision-engineered replacement membranes specifically crafted for the Mecair VNP and VEM 200 series pulse jet solenoid valves. These valves are extensively utilized in industrial dust collector and baghouse systems. Serving as essential sealing and actuating components within pulse valves, the diaphragms regulate the opening and closing of the valves to deliver compressed air pulses, which are vital for the efficient cleaning of filters.
This comprehensive product range accommodates port sizes from 3/4 inch up to 3 inches. Each repair kit typically contains diaphragms along with springs, providing all the necessary parts for complete field replacements. The diaphragms are available in two high-quality materials: NBR (nitrile) and FKM (fluororubber, commonly known as Viton), both chosen for their robust thermal aging resistance and wide chemical compatibility.
NBR diaphragms are ideal for general-purpose services, operating effectively within temperature ranges of -20°C to +80°C. In contrast, FKM diaphragms excel in applications requiring superior chemical resistance and can withstand higher temperatures up to +120°C. This versatility ensures that the Mecair DB Series can meet the demands of various industrial environments.
The product lineup includes single diaphragm kits such as DB16, DB18, DB112, DB114, DB116, DB120, and DB124. Additionally, combination kits like DB114+DB16, DB116+DB16, and DB120+DB16 are available, featuring both main and smaller diaphragms accompanied by springs for valves equipped with multiple diaphragms. Certain models, including the DB18M and DB18MV, come packaged in plastic-sealed or M-bag formats.
Each repair kit is tailored for specific Mecair VNP and VEM valve models, including VNP206, VNP208, VNP212, VNP214, VNP216, VNP220, as well as their corresponding VEM versions. Globally trusted for use in industrial dust collection applications, the Mecair DB Series diaphragms ensure reliable, high-flow pulse jet cleaning performance while requiring minimal maintenance.
Features:
Extensive Part Number Compatibility
Our product line covers a broad spectrum of part numbers including DB16, DB18, DB18M, DB112, DB114, DB116, DB120, and DB124. This wide range ensures compatibility with numerous Mecair pulse valves, catering to diverse application needs.
Variety of Material Choices
We offer multiple material options to suit different operational environments. Standard NBR material performs reliably between -20°C and +80°C, while FKM/Viton variants are available for high-temperature applications, tolerating temperatures up to +120°C. These choices provide excellent media compatibility across various uses.
Comprehensive Repair Kits
Our complete repair kits include all necessary components such as diaphragms and springs, enabling full field replacements. This makes maintenance straightforward and ensures that your valves can be restored to optimal performance quickly.
Combination Kits for Multi-Diaphragm Valves
For multi-diaphragm valve assemblies, combination kits are available that pair parts like DB114+DB16, DB116+DB16, and DB120+DB16. These kits include two springs, addressing the specific needs of such valve configurations efficiently.
Durable Fabric-Reinforced Construction
The diaphragms are constructed from nylon-reinforced NBR, offering superior thermal aging resistance. This fabric-reinforced design enhances durability and extends the service life of the diaphragms under demanding operational conditions.
Precision Sealing Engineering
Our valves feature precision-engineered sealing systems that guarantee reliable operation and significantly reduce air leakage. This leads to improved performance and energy efficiency throughout the valve's lifecycle.
Designed for Longevity
Engineered to withstand over one million pulse cycles, these valves perform exceptionally well in harsh environments such as dust collector applications, ensuring long-term reliability and reduced maintenance frequency.
Wide Size Range
The valves accommodate various port sizes, including 3/4", 1", 1-1/2", 2", 2-1/2", and 3", providing flexibility to fit different system requirements.
Packaging Options
Models DB18M and DB18MV are available with plastic-sealed or M-bag packaging, which helps protect the components from contamination and damage during storage and transport.
Easy Maintenance
Designed for simple and quick replacement procedures, our valves minimize downtime during maintenance activities, making them highly convenient for operational continuity.
OEM Quality Assurance
Manufactured to meet exact Mecair specifications, these products ensure reliable fit and performance consistent with original equipment manufacturer standards.
Technical Parameters:
| Application |
Dust Collector Pulse Jet Cleaning Systems |
| Temperature Range (NBR) |
-20°C To +80°C |
| Temperature Range (FKM) |
Up To +120°C |
| Diaphragm Materials |
NBR (Nitrile), FKM (Viton) |
| Port Sizes |
3/4", 1", 1-1/2", 2", 2-1/2", 3" |
| Compatible Series |
VNP206, VNP208, VNP212, VNP214, VNP216, VNP220, VEM206, VEM208, VEM212, VEM214, VEM216, VEM220 |
| Valve Series |
Mecair VNP/VEM 200 Series |
| Kit Contents |
Diaphragm(s) + Spring(s) |
Applications:
Pulse Jet Baghouse Dust Collectors
Pulse jet baghouse dust collectors utilize a reverse pulse cleaning method to maintain the efficiency of fabric filter bags. This technology ensures thorough cleaning by periodically releasing a burst of compressed air in the opposite direction of the filtering process, effectively removing accumulated dust and debris.
Cartridge Filter Systems
Cartridge filter systems are designed to clean pleated cartridge filters, which offer a large surface area for dust capture. These systems are widely used in applications where fine particle filtration and easy maintenance are critical.
Applications in Cement Industry
In the cement industry, dust control is crucial in various processes such as kiln operation, milling, and material handling. Effective dust collection reduces environmental impact and improves workplace safety.
Steel and Metallurgy Sector
The steel and metallurgy sectors rely on advanced dust collection systems for furnace fume extraction and controlling dust emissions from blast furnaces. These measures help maintain air quality and comply with regulatory standards.
Power Generation
Power plants employ dust collection systems to manage fly ash and control boiler dust. Proper dust extraction enhances operational efficiency and mitigates environmental pollution.
Chemical Processing Industry
In chemical processing, dust collection is vital during powder handling and various process stages. Efficient filtration systems help prevent contamination and ensure a safe working environment.
Mining and Quarrying
Dust control in mining and quarrying operations involves managing dust generated during crushing and material handling. Effective filtration improves visibility and respiratory safety for workers.
Food and Grain Processing
Dust extraction systems play a key role in the food and grain processing industries, helping to maintain hygiene standards and protect worker health by removing airborne dust particles.
General Industrial Filtration
Across various industries, maintaining pulse jet cleaning valves is essential for the continuous performance of dust collection systems. Regular upkeep ensures reliable filtration and extends equipment lifespan.
Support and Services:
Our Pulse Valve Diaphragm is designed for durability and optimal performance in demanding industrial applications. To ensure proper installation and maintenance, please follow the guidelines provided in the product manual. The diaphragm should be inspected regularly for signs of wear, cracking, or deformation, and replaced promptly to prevent valve malfunction.
For troubleshooting, common issues such as air leakage, irregular pulse operation, or reduced efficiency can often be resolved by checking the diaphragm for damage or contamination. Cleaning the diaphragm with a soft cloth and mild detergent is recommended if deposits are present.
We offer comprehensive technical support to assist with installation, maintenance, and troubleshooting of the Pulse Valve Diaphragm. Our support team can provide detailed product information, performance optimization tips, and replacement part recommendations to ensure your system operates smoothly.
Additionally, we provide service options including diaphragm replacement kits and preventive maintenance programs tailored to your operational needs. Utilizing genuine parts and adhering to scheduled maintenance will extend the life of your pulse valve system and maintain its efficiency.
For detailed instructions and further assistance, refer to the product documentation or contact our technical support department.
Packing and Shipping:
Each Pulse Valve Diaphragm is carefully packaged to ensure it reaches you in perfect condition. The diaphragm is placed in a protective plastic bag to prevent contamination and damage during transit. It is then securely packed in a sturdy cardboard box with cushioning materials to absorb shocks and vibrations.
For shipping, we use reliable courier services that provide tracking and timely delivery. Orders are processed promptly, and we ensure that the packaging complies with all shipping regulations to guarantee safe and efficient delivery to your location.
If you have any special packaging or shipping requirements, please contact our customer service team, and we will be happy to accommodate your needs.
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