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Compact, integration-ready architecture for streamlined assembly
Versatile port configurations ranging from G1/8"" to G1/2""
Advanced explosion-proof and IP65-rated options available
Multi-media compatibility including air, water, and light oil
4M
KST&OEM&ODM Brand
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Step into a new realm of fluid and gas control with the Standard 4M Series Pneumatic Solenoid Valve. When you handle this component, the cool, solid weight of the precision-machined aluminum alloy body immediately communicates industrial-grade craftsmanship. The smooth, anodized exterior not only provides a sleek, professional appearance but acts as a formidable shield against harsh environmental corrosives. Designed to eliminate the frustrating hiss of micro-leaks, the internal spool mechanism glides silently and seamlessly, ensuring that your automated systems operate with a quiet, rhythmic consistency that defines modern manufacturing.
Beyond its tactile and visual excellence, this solenoid valve is meticulously engineered to solve the most demanding flow control challenges in complex production environments. By requiring a remarkably low starting pressure, it reduces the overall energy burden on your compressors, translating into measurable operational savings. The rapid response time ensures that pneumatic actuators fire with pinpoint accuracy, eliminating the sluggishness that can bottleneck high-speed packaging or assembly lines. Whether directing filtered air, inert gases, or light oils, this valve integrates flawlessly into your existing infrastructure, providing a steadfast, maintenance-free heartbeat for your critical operations.
Our commitment as an industry-leading manufacturer is to provide transparent, exacting technical data to assist engineers and procurement specialists in making informed decisions. Below are the precise operational parameters for the 4M Series.
Model | 4M310-08 / 4V310-08 / 4M310-08S / 4V310-08S |
Working Medium | Air (filtered through 40 μm filter or finer) |
Action Mode | Internal pilot-operated |
Pipe Size | G1/8", G1/4", G3/8", G1/2" |
Effective Cross-Sectional Area | G1/8": 5.5mm² (Cv=0.31) G1/4": 12.0mm² (Cv=0.67) G3/8": 17.0mm² (Cv=0.94) G1/2": 25.0mm² (Cv=1.40) G3/8": 30.0mm² (Cv=1.67) G1/2": 57.5mm² (Cv=3.21) |
Number of Positions | 2-position / 3-way |
Use Pressure Range | 0.15 – 0.8 MPa (21 – 114 psi) |
Ensure Pressure Resistance | 1.2 MPa (175 psi) |
Working Temperature (°C) | -20°C ~ 70°C |
Body Material | Aluminum Alloy |
Lubrication | Not Required |
Maximum Operating Frequency | 4M: 5 cycles/sec 4V: 4 cycles/sec 08S: 3 cycles/sec |
Weight (g) | 4M110: 120g 4M120: 175g 4M210: 220g 4M220: 320g 4M310: 310g 4M320: 400g |
Engineered for excellence, this pneumatic solenoid valve transforms standard operational workflows into highly efficient, fail-safe processes. Every feature is purposefully integrated to maximize uptime and minimize manual intervention.
Exceptional Sealing Technology: Utilizing premium NBR, FKM, EPDM, and PTFE seals, the valve creates an impenetrable barrier against leaks, drastically reducing the scent of escaping gases and maintaining absolute system pressure.
Flexible Integration: Available in 2/2 and 3/2 normally closed or normally open configurations, allowing system architects to seamlessly adapt the valve to bespoke pneumatic logic circuits without costly redesigns.
Hazardous Environment Readiness: With optional ATEX and IECEx certifications, this component provides peace of mind in volatile atmospheres, ensuring that a stray spark never compromises your facility's safety.
Broad Voltage Compatibility: The electrical coils are wound to accommodate AC220V, DC24V, AC110V, and other standard voltages, facilitating global deployment without the need for secondary step-down transformers.
To fully understand the transformative impact of the 4M Series on your production floor, we have categorized its core advantages across six critical engineering dimensions. These facets highlight why industry leaders consistently select this component for their critical infrastructure.
Adopting the internationally recognized NAMUR interface standard, this valve supports both standalone and manifold integration. By offering diverse port sizes from G1/8"" to G1/2"" and versatile configurations (3/2, 5/2, 5/3 ways), it connects directly to various pneumatic actuators, easily fulfilling customized circuit demands for complex machinery.
Built around a high-strength aluminum alloy core—with brass and stainless steel alternatives for extreme conditions—this valve resists severe abrasion. The internally machined spool structure minimizes friction, ensuring high-frequency operation for millions of cycles without mechanical degradation or loss of air-tightness.
The optimized internal pilot-operated design requires a mere 0.15 MPa to initiate movement. With a lightning-fast response time of under 0.05 seconds and a maximum frequency of 5 cycles per second, it guarantees that automated sequences execute with flawless, synchronous precision, eliminating costly timing errors.
Supporting universal voltages via DIN socket or flying leads, the unit achieves an IP65 protection rating against dust and water ingress. For the most dangerous workspaces in chemical or petrochemical sectors, the ATEX/IECEx certified explosion-proof coils prevent catastrophic ignition events, safeguarding both personnel and assets.
A built-in manual override switch allows technicians to actuate the valve during power outages or system commissioning with a simple tactile push. Furthermore, the lubrication-free design drastically cuts down on routine maintenance schedules, eliminating the need for oil mist lubricators and reducing overall operational costs.
While optimized for 40μm filtered air, its superior internal architecture handles inert gases, water, and light oils effortlessly. This multi-media capability makes it the ultimate workhorse for packaging machinery, water treatment facilities, and stringent process control systems across diverse industrial landscapes.
Selecting the right manufacturing partner is just as critical as selecting the right component. We understand the stringent demands of large-scale industrial purchasing and are dedicated to empowering your supply chain with uncompromised reliability and superior engineering support.
Stringent Quality Control: Every single valve undergoes rigorous pressure and cycle testing before it leaves our facility. You will never have to worry about receiving a defective batch that halts your production line.
Scalable Manufacturing Capacity: Whether you require a specialized prototype run or a massive volume order to outfit a newly constructed facility, our agile production lines can scale instantly to meet your delivery deadlines without sacrificing craftsmanship.
Expert Engineering Support: Our team of seasoned pneumatic specialists is always on standby to assist with complex integration queries, ensuring you select the exact specifications needed for your unique fluid control challenges.
Global Logistics Excellence: We have streamlined our packaging and shipping protocols to guarantee that your components arrive pristine, protected from transit vibrations, and ready for immediate deployment on the assembly floor.
To further assist your engineering and procurement teams, we have compiled detailed answers to the most technical inquiries regarding the 4M Series Solenoid Valve.
The internal pilot design utilizes the system's own media pressure to assist in shifting the internal spool. This significantly reduces the electrical power required by the solenoid coil and allows the valve to operate smoothly even at a very low starting pressure of 0.15 MPa, conserving energy across your facility's pneumatic network.
Absolutely. The valve is engineered with advanced self-lubricating seals and a highly polished internal spool, meaning it operates flawlessly without any added external lubrication. This makes it ideal for clean-room environments, food packaging lines, and applications where oil mist contamination is strictly prohibited.
The NAMUR standard provides a universal, standardized mounting footprint. This allows the solenoid valve to be bolted directly onto pneumatic rotary actuators without the need for external hard piping, tubing, or complex bracketry. It saves significant installation time, reduces potential leak points, and creates a much cleaner, more compact mechanical assembly.
Depending on whether you select a normally closed (NC) or normally open (NO) configuration, the valve will automatically return to its default resting state via a mechanical spring return mechanism when electrical power is lost. Additionally, technicians can utilize the built-in manual override to manually shift the valve for safe system depressurization or troubleshooting during the outage.
Yes, our optional ATEX and IECEx certified coils are specifically designed to prevent the ignition of volatile gases and dust. They feature robust, sealed housings that contain any internal electrical sparks. However, you must consult with our engineering team to ensure the specific gas group classification of your hazardous zone matches the certification rating of the selected coil.
