Pneumatic valve
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DMF-Z-25 Explosion-proof Pulse Jet Valve
Function & Application (English Version)
This model DMF-Z-25 straight-through pulse jet valve (Accu-Pulse brand) is a key pneumatic control component for industrial dust removal systems, equipped with an explosion-proof electromagnetic coil.Main Functions
- It serves as an air injection switch for dust collectors. Receiving electrical pulse signals from the controller, it instantly opens and closes to release compressed air.
- It generates high-pressure airflow shockwaves to blow off dust accumulated on filter bags / filter cartridges inside dust removal equipment.
- The matched explosion-proof solenoid coil enables safe operation in flammable and explosive working environments.
Working Principle
When the solenoid coil gets a pulse signal, the internal pilot structure is activated. The pressure balance inside the valve breaks, the valve diaphragm opens rapidly, and compressed air surges into the filter chamber for dust cleaning. Once the signal disappears, the valve automatically closes to finish one ash-blowing cycle.Main Purposes
- Widely installed on pulse bag dust collectors, cartridge dust collectors and other industrial dust removal equipment.
- Periodically cleans filter elements to prevent filter media blockage, maintain stable air permeability and continuous dust collection efficiency.
- Explosion-proof design satisfies application requirements in industries including chemical processing, grain processing, metallurgy, coal dust treatment and other hazardous locations with combustible dust.
Key Features
- Straight-through structure (DMF-Z series), DN25 connection size, quick response for pulse injection.
- Explosion-proof electromagnetic coil, reliable sealing, stable performance under continuous cyclic operation.
- Quick coupling connection type for easy on-site installation, disassembly and maintenance.
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G353A046 Remote Pilot Submerged Pulse Jet Valve
1. Basic Identification
- Model: G353A046 (AASF 353 Series Pulse Jet Valve)
- Serial No.: S346374
- Type: Remote air pilot submerged pulse jet valve (without built-in solenoid valve, actuated by external air supply)
Note: The model with built-in coil is SCG353A046; models starting with G stand for air pilot version, which requires an external small pilot solenoid valve for control.2. Parameter Interpretation from Nameplate
- ORF. 52 mm: Orifice diameter 52 mm
- PIPE 1-1/2″: Connection size 1.5 inch (DN40)
- MEDIA AIR: Applicable medium: compressed air
- Operating pressure: 0.35 ~ 8.5 bar
- Valve body material: Die-cast aluminum alloy with anti-corrosion coating
- Standard seal: NBR nitrile rubber; FKM fluororubber optional for high-temperature working conditions
3. Structure & Working Principle
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Structure Type: Submerged Pulse Jet Valve
The valve is installed inside the air tank. The airflow discharges directly with much lower resistance than angle-type valves, delivering stronger jet force and higher flow capacity. It is a mainstream solution for bag dust collectors.
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Actuation Mode: Remote Pilot Operation
The quick-connect fitting on the top connects to the control air supply. A pulse controller drives an external small solenoid valve. Once pressure relief occurs, the diaphragm opens rapidly to release compressed air instantly for pulse cleaning of filter bags / filter cartridges.
✅ Advantages: No electrical components on the main valve, suitable for high-temperature, dusty and hazardous explosion-proof environments.4. Key Features
- Ultra-fast opening & closing response, instant release of compressed air for high-efficiency dust cleaning.
- Large flow passage design with 52 mm orifice, supporting simultaneous jet cleaning for multiple filter bags on large dust removal compartments.
- Long-service-life diaphragm assembly with double-diaphragm structure, anti-fatigue for high-frequency pulse operation.
- Main valve adopts spring-free structure for lower failure rate.
- Quick-connect fitting on top; no PTFE tape required for convenient pilot air pipe installation.
5. Typical Application Scenarios
- Baghouse dust collectors, cartridge dust collectors and industrial dust extraction systems
- Cement plants, steel mills, metallurgy plants, asphalt mixing stations, waste incineration plants, powder processing industries
- Suitable for explosion-proof areas and high-temperature working conditions (FKM diaphragm for higher temperature resistance)
6. Sourcing & Replacement Key Points (for foreign trade & maintenance)
- Avoid model confusion
- G353A046: Air pilot version (this model, no coil)
- SCG353A046: Solenoid operated version with built-in coil; they cannot be directly interchanged
- Consumable spare part: diaphragm repair kit, critical stock item for after-sales service
- Installation note: Must be matched with an external pilot solenoid valve. Recommended pilot air pressure: 0.4–0.6 MPa
- Competitor alternative reference: Interchangeable with domestic 1.5″ air pilot submerged pulse valve (e.g. DMF-Y-40 air pilot type). Mounting dimensions are roughly compatible, while flow curves differ slightly.
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Smart Sensors Empower Electromagnetic Pulse Valves, Driving Digital Upgrades in Dust Removal Systems
Advancing industrial intelligence is transforming traditional dust removal equipment through technological innovation. Take the ASCO 353 series pulse valve as an example – its integration with digital sensors provides real-time monitoring and intelligent control solutions for dust systems.Intelligent Monitoring Architecture
This system combines dust concentration meters, differential pressure transmitters, and air tank pressure sensors to collect critical data like filter bag resistance, jetting pressure, and air flow. For instance, differential pressure sensors trigger automatic jetting when resistance thresholds are exceeded, while air tank sensors ensure stable jetting pressure to prevent cleaning failures.
Digital Management Advantages- Predictive Maintenance: Analyzing diaphragm cycle frequency and response times predicts component wear and blockages, minimizing downtime.
- Energy Optimization: Dynamic parameter adjustments based on real-time pressure reduce compressed air waste while maintaining cleaning effectiveness.
- Remote Control: Cloud-based platforms enable remote status monitoring and cycle adjustments for cross-regional management.
Case Study
A steel plant deploying smart pulse valves in its sintering machine dust system achieved:- 30% reduction in collector resistance fluctuations
- 25% decrease in jetting frequency
- Annual energy cost savings of ¥180,000
Stable dust emissions below 10mg/m³ were also maintained, supported by automated operational reports for process optimization.
Looking ahead, IoT integration will drive pulse valves toward “adaptive cleaning” through AI algorithms dynamically matching changing operating conditions, propelling industrial dust removal toward higher efficiency, lower carbon footprint, and unmanned operation. -
pneumatic pulse valve MF-Z-1-40
Parameters Item information Size 1.5 inch Mode MF-Z-40s Type Right angle type Diameter mm 40mm Outlet Orifice Connection mm 48 mm Diaphragm materials Continential diaphragm Protection level IP 65 Efficiency Diaphragm 1 million strikes Valve body materials Excellent Ally Alminum Voltage 24VDC, 220VAC , 110VAC Solenoid Trading information Trading information Logistic information Description Qty Piece/Pieces Price Payment terms L/C,D/P,T/T... -
Pneumatic pulse valve MF-Z-2-40
Parameters Item information Size 1.5 inch Mode MF-ZM-40s Type Right angle type Diameter mm 40mm Outlet Orifice Connection mm 48 mm Diaphragm materials Continential diaphragm Protection level IP 65 Efficiency Diaphragm 1 million strikes Valve body materials Excellent Ally Alminum Voltage 24VDC, 220VAC , 110VAC Solenoid Trading information Trading information Logistic information Description Qty Piece/Pieces Price Payment terms L/C,D/P,T/...