Festo MHA1-M1H-2/2G-0,9-PI Air solenoid valve 197044
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Festo MHA1-M1H-2/2G-0,9-PI Air Solenoid Valve (Order Number: 197044)
Product Overview
The Festo MHA1-M1H-2/2G-0,9-PI is a compact, direct-acting 2/2-way normally closed (NC) monostable solenoid valve optimized for vacuum and low-pressure pneumatic applications. Designed for precise on/off control of compressed air or vacuum in automation systems—such as pick-and-place machinery, vacuum holding fixtures, and small fluid handling setups—it features a space-saving 10 mm construction width and direct actuation that eliminates the need for external pilot pressure, simplifying system integration. Its robust poppet valve design with soft sealing ensures reliable operation across a pressure range of -0.9 bar to 2 bar, making it ideal for both vacuum and low-pressure positive air scenarios. The valve is RoHS-compliant and carries UL recognition, meeting global industrial standards for safety and environmental compatibility, while its optional manual override supports quick commissioning and troubleshooting without power.
Main Functions
- 2/2-Way Normally Closed On/Off Control
The valve stays closed by default; energizing the solenoid opens the flow path between the inlet and outlet. De-energizing triggers a mechanical spring to reset the valve to the closed position, enabling fail-safe shutoff in case of power loss.
- Vacuum & Low-Pressure Regulation
It reliably controls both vacuum (down to -0.9 bar) and low positive pressure (up to 2 bar), supporting applications like workpiece vacuum clamping, small component suction, and low-flow air circuit switching.
- Direct Actuation for Rapid Response
Direct solenoid actuation eliminates pilot air dependencies, delivering fast switching times (opening ~4 ms, closing ~5 ms) to enhance cycle efficiency in high-speed automation tasks.
- Manual Override for Maintenance
The non-detenting push-button manual override allows manual valve actuation, facilitating system setup, leak testing, and troubleshooting without electrical power.
- Space-Saving Manifold Mounting
With a 10 mm grid dimension, it integrates seamlessly into compact valve manifolds, reducing installation footprint and simplifying tubing and wiring in dense automation setups.
Technical Characteristics
| Technical Parameter | Specification |
|---|---|
| Valve Type | 2/2-way, normally closed, monostable |
| Actuation Method | Electric (direct acting) |
| Construction Width | 10 mm |
| Grid Dimension | 10 mm |
| Nominal Diameter | 0.9 mm |
| Standard Nominal Flow Rate (DIN 1343) | 14 l/min |
| Operating Pressure Range | -0.9 bar to 2 bar (-0.09 MPa to 0.2 MPa) |
| Maximum Switching Frequency | 20 Hz |
| Switching Times | Opening: 4 ms; Closing: 5 ms |
| Reversible Flow | No |
| Sealing Principle | Soft sealing |
| Exhaust Function | Non-throttleable |
| Manual Override | Non-detenting push-button |
| Protection Class | IP40 |
| Power Consumption (24 V DC) | 1 W |
| Voltage Tolerance | ±10% |
| Continuous Duty Cycle | 100% |
| Operating Medium | Compressed air (ISO 8573-1:2010 class 7) |
| Operating Temperature | 0 °C to 50 °C |
| Storage Temperature | -20 °C to 60 °C |
| Approvals | UL Recognized (OL), RoHS |
| Material Compatibility | Copper-free construction (suitable for sensitive applications) |
Product Dimensions and Weight
| Parameter | Specification |
|---|---|
| Overall Length | 35 mm |
| Overall Width | 10 mm |
| Overall Height (including coil) | 58 mm |
| Pneumatic Port Type | Manifold-mount (PI interface) |
| Electrical Connection | M12 × 1 circular connector |
| Mounting Hole Diameter | 3.5 mm |
| Mounting Hole Spacing | 10 mm (center-to-center) |
| Net Weight (valve body only) | 10 g |
| Net Weight (with standard coil) | 32 g |
| Gross Weight (with packaging) | 50 g |
Structural Highlights
- Poppet Valve Design
The spring-returned poppet valve with soft sealing ensures tight shutoff and low leakage, critical for maintaining vacuum integrity and pressure stability in precision systems.
- Direct Solenoid Actuation
No external pilot air is required, reducing system complexity and enabling reliable operation even in low-pressure or vacuum environments where pilot air may be unavailable.
- Compact Manifold Compatibility
The 10 mm width and grid dimension allow dense manifold mounting, optimizing space in control cabinets and machine-mounted valve stations.
- Non-Detenting Manual Override
The push-button override returns to the default position when released, preventing accidental valve locking during maintenance.
- Durable Materials
The valve body uses high-grade engineering plastics and corrosion-resistant internal components, ensuring long service life even in industrial environments with dust and temperature fluctuations.
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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We are located next to Shanghai, the largest city in China, and Kunshan, the first economic county in China. With convenient transportation and developed logistics, it provides a good geographical advantage for our electronic components sales business.
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We are committed to providing many types and brands of electronic components, including but not limited to Sensors, Switches & Relays, Connectors, Circuit Protectio, Power Supplier & Cable, etc. We have established relationships with many well-known electronic component manufacturers. We have established long-term and stable relationships with many well-known electronic component manufacturers to ensure that the products we sell are of reliable quality and reasonable price.
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Our product prices vary according to market conditions and product models. We are committed to providing high quality electronic components at fair and reasonable prices, and offer our customers a variety of incentives and flexible purchasing methods.
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