Mecair 200 Series VNP216 Valve for Dust Collector Systems in Various Industries

Goyen Mecair 200 Series Threaded Valve – Model VNP216: Technical Product Introduction

The Mecair 200 Series VNP216 is a high-performance diaphragm valve designed specifically for reverse pulse-jet filter cleaning systems in dust collector applications. As part of the 200 Series family, the VNP216 delivers superior flow characteristics, rapid actuation, and long-term durability, making it one of the most reliable and efficient options in industrial air filtration systems. It is manufactured by Pentair Mecair, a trusted global leader in clean air solutions and industrial automation valves

1. Product Overview

The Mecair 200 Series valves are designed for dust collector systems used in industries such as cement, steel, power generation, food processing, and chemical production. The VNP216 is a 2-inch double-diaphragm valve featuring a 90° angle body configuration with threaded female gas connections, allowing for easy installation in compact or retrofit systems.

The special internal design of the VNP216 ensures extremely fast opening, high airflow, and low-pressure loss, which are essential for effective cleaning cycles in bag and cartridge filters. The valve body is made of die-cast anodized aluminum for corrosion resistance, while critical internal components are made of stainless steel to enhance longevity even in harsh industrial environments

2. Key Features of the Mecair VNP216 Valve

3. Construction and Materials

The VNP216 is engineered for strength, chemical resistance, and low maintenance. Its components are manufactured to exacting standards to ensure performance reliability.

This robust construction ensures the valve maintains structural integrity and tight sealing performance even after millions of cycles under varying temperature and pressure conditions.

4. Technical Specifications

5. Functional Characteristics

• Fast Opening and High Flow:
  The VNP216’s internal geometry and dual-diaphragm design enable instantaneous opening for maximum air pulse efficiency. This delivers a sharp, powerful air burst, ensuring effective filter bag cleaning and dust release.

• Energy Efficiency:
  The valve is optimized for minimal pressure drop and air consumption, reducing energy usage in compressed air systems.

• Ease of Installation:
  With threaded ports and a right-angle configuration, the VNP216 simplifies piping layout, making it easy to retrofit into existing dust collector systems.

• Durability in Harsh Conditions:
  The anodized aluminum body and stainless steel hardware make the valve resistant to corrosion and mechanical wear, even in humid or dusty environments.

• Low Maintenance Design:
  Modular construction allows for easy diaphragm and pilot replacement without removing the valve body from the line, reducing downtime during service.

6. Dimensions

| Model | Port Size | A (mm) | B (mm) | C (mm) | D (mm) | E (mm) | F (mm) | Weight (kg) |
|-------------|----------------|-------------|-------------|-------------|-------------|-------------|----------------|
| VNP216 | 2″ | 90 | 165 | 35 | 206 | 160 | — | 2.50

This compact form factor allows integration in pulse manifolds with minimal spacing requirements while maintaining high flow performance.

7. Applications

The Mecair VNP216 valve is specifically engineered for pulse-jet filter cleaning applications in industrial dust collectors. Its reliability and flow capacity make it ideal for:

1. Cement Plants: Removing dust buildup in bag filters and silos.

2. Steel and Foundry Operations: Handling high dust loads from melting and grinding operations.

3. Power Generation: Cleaning filters in coal and biomass plants.

4. Pharmaceutical Manufacturing: Ensuring contamination-free air filtration.

5. Food Processing: Maintaining hygienic air quality in production areas.

6. Grain and Agricultural Facilities: Controlling airborne particulates in handling and storage.

7. Chemical and Petrochemical Plants: Managing fine powder and catalyst dust removal.

The VNP216’s combination of high flow rate, chemical resistance, and electrical compatibility enables it to perform consistently across diverse industrial sectors

8. Advantages

1. Exceptional Flow Efficiency:
   The double-diaphragm design ensures high-volume air discharge for optimized cleaning cycles, reducing compressed-air consumption.

2. Quick Response Time:
   Rapid actuation minimizes pulse duration, providing efficient cleaning with less air wastage.

3. Wide Operating Range:
   Performs reliably from 0.5 bar to 7.5 bar, accommodating a wide range of system pressures.

4. Versatile Configurations:
   Available as VNP (integral solenoid) or VEM (remote pneumatic pilot) to match different control system needs.

5. Corrosion Protection:
   Anodized aluminum body and stainless steel fasteners resist environmental degradation.

6. Maintenance Simplicity:
   Easily replaceable diaphragm kits and pilot groups allow fast in-field service.

7. Safety Compliance:
   Compatible with ATEX-certified pilot groups for use in potentially explosive environments.

9. Spare Parts and Service Kits

Mecair provides a full range of replacement kits for the VNP216:

10. Installation and Maintenance Guidelines

• Use filtered, dry, and oil-free air to maximize diaphragm lifespan.

• Ensure proper orientation of the inlet and outlet ports for optimal flow.

• Regularly inspect diaphragms for wear and replace with genuine Mecair parts.

• For ATEX environments, use certified pilot groups (KIT PV-24/DCX).

• Periodic cleaning of solenoid components ensures long-term responsiveness.

11. Conclusion

The Goyen Mecair VNP216 is an industrial-grade diaphragm valve combining high flow, rapid response, and robust construction for superior performance in dust collector pulse-jet systems. With a 2-inch double diaphragm, anodized aluminum body, stainless steel internals, and a full range of voltage options, the VNP216 ensures durability, efficiency, and compliance with global safety standards.

Its proven reliability, ease of maintenance, and compatibility with diverse filter systems make it the ideal solution for engineers seeking long-lasting performance in industrial air filtration applications