VNP214 Mecair 200 Series Threaded Valve Designed for High-Performance in Dust-Collector Applications

Mecair 200 Series Threaded Valve, Model VNP214 – Comprehensive Product Introduction
Brand: Goyen/Mecair
Part Number: VNP214

The VNP214 from Mecair’s 200 Series of threaded diaphragm valves is a high-performance, right-angle, threaded-connection valve specifically engineered for pulse-jet filter cleaning and dust-collector applications. Built for robust industrial use in compressed-air systems and designed for rapid diaphragm actuation and high flow, the VNP214 offers durability, reliability and excellent performance under demanding conditions.

1. Product Overview

The 200 Series Threaded Valves by Mecair are diaphragm-type valves with a 90° or right-angle flow path and threaded female gas-connection ports. They are tailored for reverse pulse-jet filter cleaning of bag filters, cartridge filters, sintered metal filters and similar dust-collector systems. 
Among them, the VNP214 model (1 ½″ port size, double diaphragm version) stands out as a mid-sized valve offering elevated flow capacity and fast opening characteristics. 
Specifically, the VNP214 is listed in the series table as follows: model size 1½″, double diaphragm, pressure range 0.5 – 7.5 bar, with KV value 1.5 and CV approx. 51.2. 
This product is ideal in systems requiring rapid discharge of compressed air pulses for filter cleaning, where minimal air consumption, fast opening and wear resistance are essential.

2. Key Features

3. Technical Specifications

4. Construction & Functional Highlights

• Right-angle flow path: The 200 Series valves have the inlet port at 90° to the outlet port, enabling compact mounting in dust-collector reverse-pulse systems. 

• Rapid opening time & high flow rate: The design ensures very fast diaphragm actuation, delivering the short, high-volume pulses required for effective filter cleaning. __

• Threaded female gas ports: Simplifies installation in retrofit or compact systems; no flanges required. 

• Materials and durability: The anodised aluminium body and stainless-steel fasteners give resistance to environmental corrosion and extended service life. 

• Double diaphragm variant: The VNP214 (double diaphragm) improves flow and life-cycle performance over single diaphragm types when higher throughput or heavy duty cleaning cycles are needed. 

• Pilot solenoid or remote pneumatic: The integral solenoid pilot in the VNP variant enables simple electrical actuation; remote pneumatic option (VEM) offers flexibility for difficult explosion-proof locations. 

• Serviceability: Modular kit spare parts are available (diaphragms, pilot group, solenoid, etc.) making maintenance efficient. 

5. Typical Applications

The VNP214 is tailored for use in any system requiring rapid pulses of compressed air for filter regeneration, and its characteristics make it particularly suitable for:

• Bag-filter or cartridge-filter reverse-pulse cleaning in cement, steel, power-generation, and petrochemical plants.

• Dust-collection systems in bulk-handling (grain, minerals, chemicals) where 1½″ valve size matches the blow-tube system needs.

• Retrofitting older dust-collector installations to a higher-performance valve with minimal piping changes thanks to threaded connection.

• Environments requiring medium pressure (up to 7.5 bar) compressed-air pulses with high flow (KV 1.5, CV ~51).

• Applications where maintenance downtime must be minimized; the modular design and widely available parts help reduce service time.

6. Key Advantages

• Optimised cleaning performance: With fast opening and high flow, the VNP214 delivers efficient reverse-pulse blowing, improving filter life and dust-collector performance.

• Compact & flexible installation: Threaded ports allow simpler mounting, fewer external fittings, and space-efficient arrangements.

• Durability in harsh environments: Anodised aluminium body and stainless-steel fixings increase resistance to corrosion, even in humid or abrasive dust environments.

• Maintenance-friendly design: With standard spare-kit options and easy access to diaphragms and pilot components, down-time is reduced.

• Versatile diaphragm options: Standard NBR for general use, optional Viton for high-temperature or aggressive chemical media expands application range.

• Cost-effective operation: Suitable for pressures from 0.5 bar to 7.5 bar, meeting most compressed-air cleaning systems; the double-diaphragm version offers better flow efficiency reducing the number of valves needed.

7. Ordering & Code Summary

When ordering the VNP214 you would typically specify:

• Model: VNP214 (200 Series Threaded Valve, 1½″, double diaphragm)

• Coil/voltage: (e.g., 24 V DC, 110 V AC, 220 V AC) depending on your solenoid specification

• Diaphragm material if different from standard (eg. Viton)

• Special requirements such as ATEX certification, remote-pilot version (VEM instead of VNP) – ATEX variants available. 

Example part code: “VNP214-110/50” indicates 1½″ threaded, double diaphragm, solenoid version, 110 V AC 50 Hz. 

8. Installation & Maintenance Considerations

• Use filtered, dry, oil-free compressed air for pilot and valve operation to ensure longevity and diaphragm life. 

• Make sure ambient temperature and fluid media temperature are within diaphragm specification (NBR or Viton).

• Mount the valve in the correct orientation ensuring the inlet is positioned properly and discharge flow is unobstructed – twisted piping can degrade performance.

• Periodically inspect diaphragms and bolts; in heavy-duty use, replace diaphragms proactively to avoid unscheduled downtime.

• For high-temperature or aggressive-media environments, select Viton diaphragm and verify compatibility of all seals.

9. Summary

The Mecair 200 Series Threaded Valve VNP214 is a robust, high-flow, right-angle diaphragm valve with threaded ports, designed for demanding pulse-jet filter cleaning and dust-collector systems. With its 1½″ size, double diaphragm, excellent flow coefficient (KV 1.5 / CV 51), and durable aluminium/stainless construction, it delivers fast and reliable operation, minimal maintenance and flexible installation. Whether in industrial filtration, bulk-material handling, power-generation or chemical sectors, this valve offers a durable, high-performance solution for compressed-air filter-cleaning systems.

By selecting the VNP214, engineering teams gain the advantages of rapid actuation, strong flow capacity, and long-term service reliability — helping maintain high filter-cleaning efficiency, minimize operational interruptions and reduce life-cycle costs.