Compact, space-saving architecture designed for effortless system integration
Versatile port configurations ranging from G1/8"" to G1/2""
Available in standard and fully certified explosion-proof variations
Constructed from premium materials for extended operational longevity
3A/4A
KST&OEM&ODM Brand
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Step into a new era of fluid control with our meticulously crafted pneumatic valve blocks. When you handle this valve body, the solid, balanced weight of the premium die-cast aluminum alloy immediately communicates industrial-grade durability. The exterior boasts a flawless, treated finish that not only looks exceptionally professional but feels smooth to the touch, actively resisting corrosive elements and moisture in harsh manufacturing environments. Inside, the internal bores are CNC-machined and polished to a mirror-like finish, ensuring that every actuation operates with a quiet, satisfying click rather than a harsh, disruptive mechanical clatter.
This minimized internal friction means your automated systems will run smoother, faster, and with significantly less wear over millions of continuous cycles. By integrating this base valve block into your production line, you are actively eliminating unexpected downtime and erratic pressure drops that plague lesser components. It is specifically designed to breathe life into your pneumatic actuators, delivering a crisp, immediate response that keeps your operations moving at peak efficiency without the constant need for manual maintenance or external lubrication.
Model | 3A210-66 | 3A210-06 | 4A310-15 | 4A310-10 |
Fluid | Air (filtered ≥40μm) | Air (filtered ≥40μm) | Air (filtered ≥40μm) | Air (filtered ≥40μm) |
Acting Method | Exterior pilot control | Exterior pilot control | Exterior pilot control | Exterior pilot control |
Port Size | In/Out: 1/8" | In/Out: 1/8" | In/Out: 1/4" | In/Out: 1/4" |
Effective Orifice Area | 14.0 mm² (Cv = 0.78) | 14.0 mm² (Cv = 0.78) | 16.0 mm² (Cv = 0.89) | 16.0 mm² (Cv = 0.89) |
Valve Type | Two-position five-way | Two-position five-way | Two-position five-way | Two-position five-way |
Lubrication | Not required | Not required | Not required | Not required |
Operating Pressure | 0.15 – 0.8 MPa (21–114 psi) | 0.15 – 0.8 MPa (21–114 psi) | 0.15 – 0.8 MPa (21–114 psi) | 0.15 – 0.8 MPa (21–114 psi) |
Proof Pressure | 1.2 MPa (175 psi) | 1.2 MPa (175 psi) | 1.2 MPa (175 psi) | 1.2 MPa (175 psi) |
Operating Temperature | -20°C to 70°C | -20°C to 70°C | -20°C to 70°C | -20°C to 70°C |
Body Material | Aluminum Alloy | Aluminum Alloy | Aluminum Alloy | Aluminum Alloy |
Max Frequency | 5 times/sec | 5 times/sec | 5 times/sec | 5 times/sec |
Elevate your system's reliability with engineering that prioritizes operational excellence. Our valve blocks are meticulously designed to solve the most common pain points in fluid dynamics, offering a robust shield against system failures and workflow interruptions.
Uncompromising Seal Integrity: Utilizing premium NBR, FKM, EPDM, and PTFE seals, these valves prevent costly air and fluid leaks, maintaining consistent system pressure at all times.
Versatile Media Handling: Capable of smoothly directing air, inert gases, water, and light oil, allowing you to consolidate your facility's inventory with a single, highly adaptable component.
Adaptable Voltage Control: Available in AC220V, DC24V, and AC110V, seamlessly integrating into your current electrical infrastructure without the need for expensive modifications.
Maintenance-Free Operation: The self-lubricating internal design drastically cuts down routine maintenance schedules, keeping your workforce focused on critical, revenue-generating tasks.
Finding the exact fit for your existing machinery is critical to avoiding costly retrofits and extended downtime. We offer an extensive array of configurations designed to match your precise engineering requirements effortlessly, ensuring a true plug-and-play experience.
Multiple Directional Controls: Choose from 5/2-way, 5/3-way, as well as 2/2 and 3/2-way (Normally Closed or Normally Open) setups to dictate fluid pathways with absolute precision.
Broad Port Compatibility: Ranging from G1/8"" to G1/2"", these varied port sizes guarantee a snug, leak-free connection with your current piping architecture.
Global Voltage Synchronization: Engineered to accept standard global voltages, ensuring immediate and safe deployment in facilities worldwide.
Coil Flexibility: Available in single or double coil configurations, granting you the exact level of control needed for complex sequencing and automation tasks.
The physical integrity of a valve dictates the lifespan of the entire pneumatic circuit. We utilize only top-tier materials combined with exacting manufacturing techniques to deliver a product that withstands the test of time, reducing your total cost of ownership.
Heavy-Duty Construction: Forged from high-strength die-cast aluminum alloy and stainless steel, offering exceptional resistance to mechanical impacts and environmental degradation.
Micro-Precision Machining: Internal pathways are CNC-machined to microscopic tolerances, drastically reducing pneumatic friction and ensuring swift, unhindered airflow.
Advanced Sealing Technology: Equipped with industrial-grade elastomers that maintain their resilience and shape even under continuous, high-frequency operation.
Corrosion-Resistant Exterior: The specialized outer treatment repels moisture and chemical vapors, preserving both the structural integrity and professional appearance of the unit.
Throughput and cycle times are the lifeblood of automated production facilities. This valve block is engineered to maximize both, ensuring your assembly lines run faster, smoother, and consume significantly less energy during daily operations.
High Flow Capacity: With an effective orifice area delivering a Cv value up to 0.89, it guarantees massive volume transfer without choking the system or causing pressure drops.
Lightning-Fast Actuation: Achieves a maximum operating frequency of 5 times per second, easily keeping pace with the most demanding, high-speed robotic applications.
Low Pressure Activation: Initiates operation smoothly at just 0.15 MPa, conserving compressor energy and reducing overall facility power consumption.
Zero-Lubrication Design: Operates flawlessly on filtered air (≥40μm) without external oiling, preventing downstream contamination and lowering operational overhead.
Protecting your personnel and infrastructure is a non-negotiable priority. Our valves are rigorously tested and certified to perform safely even in the most volatile and demanding industrial environments, giving your engineering team complete peace of mind.
Hazardous Area Certified: Available with ATEX and IECEx explosion-proof certifications, making them completely safe for deployment in chemical plants and petroleum refineries.
Fail-Safe Mechanisms: Features reliable spring-return functions that immediately revert the system to a secure state during unexpected power outages or emergency shutdowns.
High Proof Pressure Tolerance: Tested to withstand severe pressure spikes up to 1.2 MPa (175 psi), preventing catastrophic blowouts during system surges.
Rigorous Quality Assurance: Every single unit undergoes strict pneumatic and electrical testing before leaving the facility, ensuring zero out-of-box failures.
Time spent on installation is time lost on production. We have optimized the physical footprint and mounting interfaces of this valve block to ensure rapid, frustration-free assembly, allowing your maintenance teams to complete changeovers in record time.
Direct NAMUR Interface: Mounts seamlessly onto standard pneumatic actuators, eliminating the need for complex, messy external tubing and reducing potential leak points.
Flexible Mounting Options: Can be installed as a standalone unit or clustered on a manifold block, allowing you to centralize your pneumatic control and save valuable cabinet space.
Compact Footprint: The streamlined, ergonomic design slides easily into tight machinery enclosures without interfering with adjacent moving components.
Standardized Threading: Precision-cut threads ensure a smooth, binding-free connection with standard industrial fittings, speeding up the commissioning process.
Versatility is at the core of this valve's design philosophy. It serves as the reliable heartbeat for a wide spectrum of industrial sectors, adapting effortlessly to varying operational demands and environmental challenges.
Process Control Industries: Perfectly suited for managing the flow of aggressive or volatile media in the petroleum, gas, and chemical processing sectors.
Automated Manufacturing: Provides the rapid, repeatable response times required by high-speed packaging machinery, assembly lines, and robotic arms.
Fluid Management Systems: Effectively controls the routing of water and light oils in complex industrial cooling and machine lubrication circuits.
Hazardous Environments: The go-to fluid control solution for facilities requiring strict adherence to explosion-proof operational standards.
Partnering with a dedicated, professional manufacturer means securing a supply chain you can trust unconditionally. We are committed to empowering your operations through superior engineering, strict quality control, and unwavering customer support.
Direct Manufacturer Advantage: By sourcing directly from our factory, you eliminate unnecessary markups, ensuring premium quality components at highly competitive price points.
Stringent Quality Standards: Our production facilities operate under rigorous international quality management systems, guaranteeing absolute consistency across every batch produced.
Customized Engineering Solutions: We possess the technical capability to tailor valve specifications, materials, and certifications to meet your unique, project-specific requirements.
Reliable Global Supply: With optimized production capabilities and robust logistics networks, we ensure your critical orders are delivered precisely when your facility needs them.
To ensure optimal performance and longevity, the compressed air must be filtered to at least 40μm. This prevents particulate matter from scoring the internal CNC-machined bores and degrading the premium seals over time.
Absolutely. We offer specialized configurations that come with ATEX and IECEx certifications. These explosion-proof options are specifically engineered to operate safely in hazardous areas, such as chemical plants and oil refineries, without risk of ignition.
The standardized NAMUR interface allows the valve to be mounted directly onto compatible pneumatic actuators. This direct-mount capability eliminates the need for external piping and fittings, which not only speeds up installation but also drastically reduces the number of potential leak points in your system.
No external lubrication is required. The valve features a self-lubricating internal design and utilizes advanced sealing materials that allow it to operate flawlessly at up to 5 cycles per second on clean, filtered air, significantly reducing your routine maintenance tasks.
Individual mounting is ideal for decentralized control where valves are placed close to specific actuators. Manifold mounting, on the other hand, allows multiple valves to be clustered together on a single base block. This centralizes the air supply and exhaust, saving considerable space inside control cabinets and simplifying the overall pneumatic circuitry.