541259 MS4-EM1-1.4-S On.off valve
"*" indicates required fields
Festo MS4-EM1-1/4-S On/Off Valve (Order Code: 541259)
Product Overview
The Festo MS4-EM1-1/4-S (Order Code: 541259) is a robust, manually operated 3/2-way rotary gate on/off valve from Festo’s MS series, designed for reliable start-up, shut-off, and venting of pneumatic systems. Featuring a compact die‑cast aluminum housing, G1/4 pneumatic connections, and an integrated silencer, it delivers high flow capacity with low pressure drop. Engineered for direct inline installation and flexible mounting in any orientation, this valve is ideal for controlling compressed air supply in industrial automation, assembly lines, packaging machinery, and pneumatic tool systemsFesto. Compliant with RoHS and VDMA standards, it offers durable performance in moderate corrosion environments and supports both lubricated and non‑lubricated compressed air operationFesto.
Main Functions
表格
| Function | Description |
|---|---|
| 3/2‑Way Pneumatic Control | Provides bistable on/off switching: connects supply (port 1) to working port (port 2) in ON position; vents working port (port 2) to atmosphere in OFF positionFesto. |
| Manual Rotary Actuation | Easy‑to‑grip rotary knob enables manual, tool‑free operation for quick system start/stop and pressure relief. |
| High‑Flow Capacity | Delivers a nominal flow rate of 2200 l/min (DIN 1343), supporting efficient air distribution in medium‑to‑large pneumatic circuits. |
| Integrated Silencer | Built‑in silencer reduces exhaust noise during venting, complying with industrial workplace noise regulations. |
| Inline Installation | Designed for direct, space‑saving inline mounting in pneumatic pipelines, with G1/4 female threaded ports for secure connections. |
| Flexible Mounting | Operates reliably in any mounting orientation, adapting to diverse machine layout requirementsFesto. |
| System Venting | Safely vents residual air from pneumatic systems when shut off, preventing pressure buildup and ensuring safe maintenance access. |
Technical Features
表格
| Characteristic | Specification |
|---|---|
| Order Code | 541259 |
| Series | MS4‑EM1 |
| Valve Type | 3/2‑way bistable rotary gate on/off valveFesto |
| Actuation Type | Manual rotary knob |
| Pneumatic Connection | G1/4 female threaded ports (ports 1, 2) |
| Nominal Flow Rate | 2200 l/min (normalized to DIN 1343) |
| Flow Coefficient (Cv) | 9 l/s·barFesto |
| Operating Pressure Range | 0 – 14 bar (0 – 1.4 MPa) |
| Operating Medium | Filtered compressed air (ISO 8573‑1:2010 [7:4:4]); inert gases; lubricated air optional (continuous lubrication required if used)Festo |
| Ambient/Media Temperature | -10 °C to +60 °CFesto |
| Flow Direction | Non‑reversible (left‑to‑right) |
| Exhaust Function | Non‑throttleable, with integrated silencer |
| Corrosion Resistance Class | CRC 2 (moderate corrosion stress)Festo |
| Compliance | RoHS compliant, VDMA 24364‑B1/B2‑L, cULus approved |
| Mounting Type | Inline installation; any orientationFesto |
| Grid Dimension | 40 mm |
Product Dimensions (mm)
表格
| Dimension | Value |
|---|---|
| Width (W) | 40 |
| Length (L) | 54 |
| Height (H) | 104 |
| Port Thread Size | G1/4 female |
| Rotary Knob Diameter | 30 |
| Silencer Length | 15 |
Weight
表格
| Item | Typical Weight |
|---|---|
| Total Product Weight | 210 g (0.21 kg) |
| Housing (Die‑cast Aluminum) | 170 g |
| Rotary Knob & Internal Components | 30 g |
| Integrated Silencer | 10 g |
Material Specifications
表格
| Component | Material | Key Properties |
|---|---|---|
| Valve Housing | Die‑cast aluminum | Lightweight, high structural strength, moderate corrosion resistance |
| Internal Seals | TPE‑U (Polyurethane) | Excellent wear resistance, sealing performance, and compatibility with compressed air |
| Rotary Knob | High‑strength thermoplastic | Ergonomic grip, chemical resistance, durable operation |
| Silencer | Porous polymer | Effective noise reduction, resistance to oil and moisture |
| Internal Slide | Precision‑machined metal | Low friction, smooth rotary operation, long service life |
Installation & Operating Guidelines
- Mounting: Install inline in pneumatic pipelines, ensuring flow direction matches the valve’s non‑reversible left‑to‑right marking; secure with appropriate thread sealant to prevent leaks.
- Actuation: Rotate the knob 90° to switch between ON (supply connected) and OFF (vented) positions; ensure full rotation for reliable sealing.
- Air Supply: Connect to clean, dry compressed air (0–14 bar); use proper filtration to protect internal seals from contaminants.
- Lubrication: If using lubricated air, maintain consistent lubrication to avoid seal damage; do not mix lubricant types.
- Maintenance: Periodically inspect the silencer for clogging; clean or replace if exhaust flow is restricted. No disassembly is required for routine maintenance.
- Environmental Use: Operate within -10 °C to +60 °C; avoid exposure to aggressive chemicals to preserve housing integrity.
WHO WE ARE
About us
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.
Where is your company located?
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.
What types of electronic components does your company mainly sell?
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.
What are the prices of your products?
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.
How to purchase your electronic components?
You can contact our customer service staff directly by phone, whatsapp, email, our official website. We support a variety of payment methods, and provide you with fast and safe logistics and distribution services.
How do you guarantee the quality of your products?
We attach great importance to product quality, all the electronic components we sell come from regular channels and undergo strict quality testing. We promise to provide customers with high-quality electronic components, and provide perfect after-sales service to ensure that customers have no worries in the process of use.
If I am not satisfied with the electronic components I purchased, can I return them?
We provide perfect after-sales service, if you are not satisfied with the purchased electronic components, you can return or exchange them within the specified time. Please refer to our official website or consult our customer service staff for the specific return policy and process.
Can your company provide technical support and solutions?
We have a professional technical team that can provide technical support and solutions for our customers. Whether you encounter any problems in choosing or using the products, we will be happy to answer your questions and provide professional technical support.
How to contact your customer service?
You can contact our customer service personnel through the online customer service system on our official website, telephone, e-mail or social media platforms. Our customer service staff will provide you with professional services and answer any questions you may have.
Does your company often organize promotional activities?
In order to give back to our customers, we will organize various promotions from time to time, including discounts, full reductions, giveaways and so on. Please keep an eye on our official website or social media platforms to stay up-to-date with the latest promotions.
