Product Description:
The SMC VH Series pneumatic hand rotary valves (including models VH301, VH300, VH312, VH311, VH332, VH330, and VH322) are manually operated directional control components specifically engineered for industrial pneumatic systems. Renowned for their reliable performance and versatile adaptability, these valves find extensive use in controlling circuit on-off functions and directional flow within automation equipment, machine tools, and pneumatic piping networks.
This series offers two thread connection sizes: 02 (1/4 inch) and 03 (3/8 inch). Additionally, derivative specifications such as 02N and R are available to satisfy various pipeline installation needs. Constructed from die-cast aluminum alloy and treated with surface oxidation, the valve body exhibits excellent corrosion resistance and is capable of operating efficiently within a temperature range of -5℃ to 60℃. The valve core incorporates a dual-seal design—comprising a hard seal and an elastic seal—which ensures strong sealing performance and minimal leakage, meeting SMC’s strict industrial standards. These valves are suitable for pressures ranging from 0 to 1.0 MPa, aligning perfectly with typical pneumatic system requirements.
Structurally and functionally, the VH Series is centered around manual rotary operation. It features precise gear positioning and a smooth rotary feel, effectively preventing directional errors caused by equipment vibrations. Most models employ a two-position, three-way design, while some support a two-position, two-way configuration, allowing for quick switching and shutoff of pneumatic circuits. Installation is flexible, supporting both panel mounting and base mounting methods. Certain models also come with specialized mounting brackets to accommodate a variety of equipment layouts.
Furthermore, the VH Series valves are designed for oil-free lubrication, enabling long-term stable operation without the need for additional lubricants, which significantly reduces maintenance efforts and costs. Several models boast an IP65 protection rating, making them resistant to challenging environmental factors such as dust and moisture. When used in conjunction with accessories like mufflers and pneumatic connectors, their application scope is further extended. Overall, the VH Series serves as an economical and effective solution for manual control in the domain of industrial pneumatic systems.
Technical Parameters:
| Working Medium |
Dry Compressed Air, Oil And Moisture Need To Be Filtered Out To Avoid Valve Core |
| Working Pressure Range |
0~1.0MPa |
| Port Type |
Mostly Two Position Three-way S |
| Type |
Hand-operated Valve |
| Working Temperature Range |
-5℃~60℃ |
| Series |
SMC Pneumatic Rotary Valve |
Applications:
The SMC Solenoid Valves, specifically the SMC two position three-way manual rotary valve from the VH series manual rotary valve lineup, are widely utilized in various industrial and automation applications. These valves are designed to provide reliable and precise control of air flow in pneumatic systems, making them ideal for scenarios where manual operation and quick switching between two positions are required. With a working pressure range of 0~1.0MPa and a temperature tolerance from -5℃ to 60℃, these valves perform efficiently under diverse environmental conditions.
One of the primary application occasions for the VH series manual rotary valve is in automated machinery where controlling air flow direction is critical. The hand-operated valve type allows operators to manually switch between two flow paths, offering simplicity and ease of use. These valves are commonly found in packaging equipment, assembly lines, and pneumatic tools where immediate and accurate air flow control is necessary to maintain production efficiency.
Another typical scenario for the use of the SMC two position three-way manual rotary valve is in laboratory and testing environments. Here, precise manual control over compressed air is essential for conducting experiments or calibrating instruments. The working medium for these valves is dry compressed air, and it is crucial that oil and moisture are filtered out to avoid damage to the valve core, ensuring long-term reliability and performance.
SMC’s VH series manual rotary valves also find applications in HVAC systems and pneumatic control panels. Their CE certification guarantees compliance with international safety and quality standards, making them suitable for use in regulated industries. The valves come with flexible packaging options, including cartons or customized packaging as per client requirements, ensuring safe and convenient delivery.
From a procurement perspective, the minimum order quantity is just one piece, allowing customers to purchase according to their needs. With a supply ability of 5000 pieces per month and a delivery time of 1 to 7 workdays after payment, businesses can rely on timely availability. Payment terms are flexible, supporting T/T, Western Union, and Paypal, facilitating smooth transactions globally.
In summary, the SMC two position three-way manual rotary valve from the VH series manual rotary valve range is an excellent choice for industries seeking durable, easy-to-operate, and CE-certified pneumatic control solutions. Its robust design, combined with versatile application scenarios, makes it indispensable for modern pneumatic systems requiring manual air flow management.
Packing and Shipping:
Our SMC Solenoid Valves are carefully packaged to ensure maximum protection during transit. Each valve is individually wrapped in anti-static foam and placed in a sturdy, custom-fitted box to prevent movement and damage. The packaging materials are chosen to withstand various shipping conditions, ensuring the product arrives in perfect working condition.
For shipping, we use reliable courier services with tracking options to provide timely delivery and transparency. Depending on the order size and destination, shipments may be sent via air or ground transportation. We also offer expedited shipping options for urgent orders. All shipments include detailed documentation, including product manuals and certificates of compliance, to facilitate smooth customs clearance and customer use.
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