Festo VSVA-B-M52-A-A2-1C1 Solenoid valve 546691
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Festo VSVA-B-M52-A-A2-1C1 Solenoid Valve (Order No. 546691)
1. Product Overview
The Festo VSVA-B-M52-A-A2-1C1 (Order No. 546691) is a high-performance 5/2-way directional control solenoid valve from Festo’s VSVA series, a benchmark line of modular pneumatic valves engineered for precision and reliability in industrial automation systems. As a core component of pneumatic control circuits, this valve is dedicated to regulating the flow direction and on-off state of compressed air, enabling accurate actuation of pneumatic actuators (cylinders, grippers, air motors) across automotive manufacturing, electronic assembly, packaging machinery, automated material handling, and high-precision processing equipment.
Featuring a bistable double solenoid actuation design (no return spring) and an ultra-compact slim profile, it supports both decentralized mounting (directly on actuators to reduce piping) and centralized integration (on Festo VSVA series manifolds) for space-constrained control panels. Constructed with corrosion-resistant high-grade materials and precision-machined internal components, it delivers consistent, long-lasting performance in harsh industrial environments with temperature fluctuations, dust, and mild moisture. The valve operates on 24 V AC power, supports lubrication-free operation to avoid workpiece/equipment contamination, and complies with international industrial standards (VDMA 24364, RoHS). With ultra-fast switching, low air leakage, and energy-efficient bistable operation (no continuous power for position holding), it is an ideal solution for high-speed, high-precision automation processes requiring stable and efficient pneumatic control.
2. Main Functions
| Function | Detailed Description |
|---|---|
| 5/2-Way Pneumatic Direction Control | Precisely switches compressed air flow between two working positions to drive bidirectional motion of pneumatic actuators (e.g., extend/retract cylinders, open/close grippers), enabling cyclic and sequential automation with high repeatability. |
| Bistable Double Solenoid Operation | Dual 24 V AC solenoids enable position locking: the valve switches when one solenoid is energized and remains in that position until the opposing solenoid is activated—no continuous power required, reducing energy consumption and ensuring position holding during temporary power loss. |
| Ultra-Fast Response Actuation | Optimized internal spool and flow channel geometry deliver rapid switching times, enabling fast actuation of pneumatic components and improving the cycle efficiency of high-speed automation lines. |
| Lubrication-Free Operation | Fully compatible with dry, filtered compressed air (per ISO 8573-1:2010 [7:4:4]), eliminating the need for oil lubrication and avoiding contamination—ideal for clean applications (electronics, food processing, surface treatment). |
| Low-Leakage Airtight Performance | High-precision FKM/NBR seals and machined spool/valve body mating surfaces minimize air leakage, reducing compressed air waste, lowering energy costs, and maintaining stable system pressure for reliable actuator control. |
| Modular Manifold Compatibility | Seamlessly integrates with Festo VSVA series valve manifolds, enabling centralized installation of multiple valves to save space, simplify piping/wiring, and streamline maintenance and system expansion. |
| Corrosion-Resistant Industrial Operation | Robust material construction (anodized aluminum, stainless steel) resists mild industrial corrosion, dust, and moisture, ensuring consistent performance in factory environments with variable operating conditions. |
| Standardized Universal Integration | Equipped with standardized G1/4 pneumatic ports and M12×1 5-pin electrical connectors, ensuring full compatibility with Festo’s pneumatic components (actuators, fittings, sensors) and other industrial standard automation equipment. |
3. Technical Features
- Compact Modular Slim Design
Ultra-small installation footprint (45×28×95 mm) with a slim valve body, suitable for decentralized mounting on actuators or centralized integration on dense control panels—ideal for space-constrained automation setups.
- Energy-Efficient Bistable Operation
Double solenoid actuation without return spring: no continuous power supply for position holding, reducing idle power consumption and providing fail-safe position locking for critical automation tasks.
- High-Durability Material Construction
Anodized wrought aluminum alloy valve body (lightweight, corrosion-resistant); stainless steel (1.4301) spool/shafts (wear/scratch-resistant); high-performance FKM/NBR elastomer seals (long-lasting airtightness, low leakage).
- Wide Operational Range
Operates at an inlet pressure range of 0.8–10 bar (0.08–1.0 MPa) and ambient temperature range of -10°C to +50°C (no condensation), compatible with standard industrial compressed air systems and diverse factory environments.
- IP65 Ingress Protection
Solenoid and electrical connection section feature IP65 protection, resisting dust ingress and low-pressure water jets from all directions—ensuring reliable operation in harsh, wet/dirty industrial conditions.
- PWIS & RoHS Compliance
Free of Paint Wetting Impairment Substances (PWIS, VDMA 24364), safe for automotive painting and surface treatment processes; RoHS compliant for environmental compatibility and global industrial use.
- Tool-Free Maintenance & Replacement
Solenoid coils can be replaced without special tools; standardized pneumatic/electrical interfaces simplify on-site installation, repair, and component replacement—minimizing unplanned downtime.
- High Flow Capacity with Low Leakage
Optimized internal flow geometry delivers a Cv value of 0.8 (sufficient for medium/large pneumatic actuators) with a leakage rate of ≤0.5 l/min (at 6 bar)—balancing high flow efficiency and energy savings.
- High Repeatability Switching
Tight manufacturing tolerances and precision-machined internal components ensure consistent switching performance and high positional repeatability, critical for high-precision assembly and positioning tasks.
4. Product Dimensions (Unit: mm)
| Dimension Parameter | Value |
|---|---|
| Overall Valve Body Length | 45 |
| Overall Valve Body Width | 28 |
| Overall Height (Incl. Solenoid Coils) | 95 |
| Valve Body Thickness | 18 |
| Pneumatic Port Type | G1/4 (BSPP) |
| Pneumatic Port Inner Diameter | 13.16 |
| Mounting Hole Diameter | 4.5 |
| Mounting Hole Spacing (Center-to-Center) | 30 × 20 |
| Single Solenoid Coil Diameter | 25 |
| Single Solenoid Coil Length | 35 |
| Electrical Connection Port | M12 × 1 (5-pin male) |
| Manifold Mounting Interface | Festo VSVA Series Standard |
5. Weight and Material Specifications
| Component | Material | Weight (g) |
|---|---|---|
| Valve Body | Anodized Wrought Aluminum Alloy | 120 |
| Double Solenoid Coils (24 V AC) | Copper Wire + Heat-Resistant PA Plastic Shell | 85 |
| Spool & Internal Shafts | Stainless Steel (1.4301) | 30 |
| Seals & O-Rings | FKM + NBR High-Performance Elastomers | 10 |
| Mounting Fasteners/Clips | Zinc-Plated Steel (Corrosion-Resistant) | 15 |
| Pneumatic Port Inserts | Nickel-Plated Brass | 25 |
| Electrical Connector Housing | Nylon Plastic (Impact-Resistant) | 5 |
| Total Weight (Complete Assembly) | – | 290 |
6. Key Performance Parameters
| Parameter | Value |
|---|---|
| Valve Type | 5/2-Way Directional Control Solenoid Valve |
| Order Number | 546691 |
| Operation Mode | Bistable (Double Solenoid, No Return Spring) |
| Actuation Voltage | 24 V AC |
| Nominal Power Consumption | 5 W per solenoid coil |
| Operating Pressure Range | 0.8 – 10 bar (0.08 – 1.0 MPa) |
| Flow Capacity (Cv Value) | 0.8 |
| Leakage Rate | ≤0.5 l/min (at 6 bar, exhaust port) |
| Ambient Temperature Range | -10°C to +50°C (No Condensation) |
| Working Medium | Filtered Compressed Air (ISO 8573-1:2010 [7:4:4]) |
| Lubrication Requirement | None (Lubrication-Free Compatible) |
| Pneumatic Port Type | G1/4 (BSPP) |
| Electrical Connection | M12 × 1, 5-pin male connector |
| Ingress Protection Rating | IP65 (Solenoid/Electrical Section) |
| Corrosion Resistance Class | CRC 2 (Moderate Corrosion Stress) |
| PWIS Compliance | Yes (VDMA 24364) |
| RoHS Compliance | Yes |
| Manifold Compatibility | Festo VSVA Series Valve Manifolds |
| Mounting Options | Direct Mounting / Manifold Mounting |
WHO WE ARE
Sobre nosotros
Located in Kunshan, China, Atifts Technology Co., Ltd. is a well-known enterprise specializing in electronic components distribution. We specialize in the sales of global brands of industrial automation components, with a wealth of experience in foreign product agents, and many of the world's leading manufacturers such as Keens, Schneider, SMC, ABB, Siemens, and other world-renowned manufacturers to establish a long-term and stable relations of cooperation.
Atifts Technology Co., Ltd. @ 2024
Over the years, we have always adhered to the "pioneering, pragmatic, standardized, innovative" management philosophy, and constantly promote the close integration of products and market demand. We firmly believe that only by constantly exploring new market areas, doing a good job in every detail, standardizing business processes, and continuously innovating products and services can we ensure that our products are more adaptable to market changes and meet the diversified needs of our customers.
Since the founding of the company, we have always adhered to the core concept of "survival by quality", and are committed to providing customers with high-quality electronic components. At the same time, we take specialized R & D manufacturing as the goal, market-oriented development strategy to ensure that our products are always in the forefront of the industry.
With excellent product quality, professional technical service and good market reputation, Kunshan Autofits Technology Co.,Ltd. has won the trust and support of our customers. We look forward to working with more partners hand in hand, to achieve long-term win-win relationship, and jointly promote the prosperity of the electronic components industry.
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