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In the demanding world of industrial automation and process control, reliability, durability, and precise actuation are non-negotiable. For decades, the 331 & 332 Series 2-way, normally closed (NC) solenoid valves have earned their reputation as trusted workhorses, providing essential on/off control for compressed air, water, light oils, and inert gases. Their robust brass construction, compact design, and proven performance make them indispensable components across a vast spectrum of industrial applications.
Ensures precise timing and control in automated sequences.
Simplifies integration into diverse control systems globally.
Fits easily into space-constrained machinery and control panels.
Provides fail-safe shut-off, critical for safety and process integrity.
Engineered for long service life, minimizing downtime and maintenance costs.
Actuator Control: Precisely controlling the movement of pneumatic cylinders (single or double-acting via 3-port valves) for clamping, lifting, pushing, and positioning in assembly lines, packaging machinery, and material handling systems.
Tool Operation: Activating pneumatic drills, grinders, screwdrivers, nail guns, and other air-powered tools on automated production lines.
Pilot Operation: Controlling larger valves (diaphragm or piston-operated) within complex pneumatic circuits.
Blow-Off & Cleaning: Triggering jets of compressed air for part ejection, debris removal, or surface drying.
Clamping & Gripping: Supplying air to pneumatic clamps and grippers in robotics and fixturing.
Coolant Flow Management: Controlling the flow of coolant (water or light oil-based) to machine tools (CNC lathes, mills, grinders) for temperature regulation and chip removal.
Lubrication Systems: Activating precise dosing of lubricants (oils or greases) to bearings, chains, gears, and slides.
Filtration Systems: Automating backwash cycles in industrial water or process fluid filters.
Chemical Dosing & Dispensing: Precisely controlling the addition of additives, treatment chemicals, or process fluids (where compatible with valve materials/seals).
Sampling Systems: Isolating or diverting fluid streams for automated sampling in quality control.
Coolant On/Off: Direct control of coolant supply directly at the machining point.
Hydraulic Unit Control: Managing pilot signals or auxiliary fluid circuits within hydraulic power units.
Safety Interlocks: Integrating into safety circuits to cut air/fluid supply when guards are opened or faults detected.
Indexing & Positioning: Controlling air supply for pneumatic rotary actuators or indexing tables.
Bagging/Sealing Machines: Controlling air cylinders for product positioning, bag inflation (where inert gas is used), and sealing mechanisms.
Filling Machines: Activating pneumatic valves for precise filling of liquids or powders (via air pressure control).
Conveyor Systems: Operating diverters, gates, stoppers, and lifters powered by pneumatic actuators.
Labeling & Coding: Controlling air for label applicators and inkjet printers.
Compressed Air Dryers & Treatment: Managing purge cycles and flow within regenerative desiccant dryers and filtration units.
Gas Control (Inert): Safely controlling the flow of nitrogen or other inert gases used in purging, blanketing, or controlled atmosphere processes (e.g., welding, furnaces).
Water Treatment: Automating valves in pre-treatment, reverse osmosis (RO), or chemical feed systems.
Fire Suppression (Pre-Action/Deluge): Serving as reliable pilot valves in critical fire protection systems where rapid gas or water release is essential. (Note: Verify specific model certifications for life safety applications).
Cost-Effective Reliability: They deliver dependable performance without the premium price tag of highly specialized valves, offering excellent value.
Ease of Maintenance & Replacement: Standard designs and wide availability make sourcing spares and performing maintenance straightforward.
Proven Track Record: Decades of use in countless industrial settings demonstrate their robustness and longevity.
Ready to integrate reliable flow control into your industrial application? Explore the 331 & 332 Series specifications or contact our engineering team at [hupeng19811008@gmail.com] to discuss your specific needs.
