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2 position / 3 ports (1/4 inch) Mechanical Valve

Parameter Specification
Product Name 2 Position / 3 Ports Mechanical Valve
Valve Type 3/2-way, Normally Closed (NC) or Normally Open (NO)
Actuation Type Mechanical (Roller Lever / Push Button / Toggle / Plunger)
Port Size 1/4" BSP or NPT
Body Material Anodized Aluminum / Zinc Alloy
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The 2 Position / 3 Ports (1/4") Mechanical Valve is a durable, manually or mechanically actuated pneumatic valve designed for straightforward and reliable air control in industrial systems. Built to control single-acting cylinders or signal control functions, this 3/2-way valve comes in Normally Closed (NC) or Normally Open (NO) configurations.

Featuring a 1/4" BSP or NPT port size, this valve offers higher airflow capacity than smaller variants, making it suitable for medium-duty pneumatic systems. It can be actuated by various mechanisms like roller levers, push buttons, plungers, or toggles, enabling it to be integrated into mechanical jigs, clamping devices, pressing systems, and manual workstations.

Constructed using anodized aluminum or zinc alloy, the valve is corrosion-resistant and ideal for rugged industrial use. It is sealed with NBR (with optional FKM/Viton seals for high-temperature or chemical environments), providing reliable operation with filtered compressed air, lubricated or not.

This valve is engineered for a long operational life, rated for over 10 million cycles, and is easy to install in panel, base, or fixture mounts. Its fast, precise response and mechanical reliability make it an excellent choice for manual or non-electric pneumatic control applications.


 Key Features of 2 Position / 3 Ports (1/4") Mechanical Valve:

⚙️ Mechanically Actuated

  • ✅ Activated by roller lever, push button, plunger, or toggle

  • ✅ No electrical signal required—ideal for simple setups

  • ✅ Suited for air logic systems, clamping, and mechanical sequencing

 2 Position, 3 Port Configuration

  • ✅ 3/2-way valve directs air to a single-acting actuator or control point

  • ✅ Available in both NC (normally closed) and NO (normally open) variants

  • ✅ Provides precise control of air passage or exhaust

 Robust Construction

  • ✅ Body: Anodized aluminum or zinc alloy for strength and corrosion resistance

  • ✅ Seals: High-quality NBR (standard), optional FKM/Viton

  • ✅ Rated for pressures up to 8 bar (0.8 MPa)

 Optimized for Medium Air Flow

  • ✅ Port size: 1/4" BSP or NPT

  • ✅ Higher Cv value (0.30–0.45) than 1/8" variants

  • ✅ Minimal flow resistance, allowing efficient actuator performance

 Common Applications

  • ✅ Pneumatic jigs and clamping systems

  • ✅ Packaging and textile machinery

  • ✅ Manual presses and assembly lines

  • ✅ Safety interlocks and air logic controls


 Why Choose This Mechanical Valve?

  • ✔️ Electricity-free operation – excellent for remote or hazardous locations

  • ✔️ Compact and easy to install – fits into control panels or mechanical assemblies

  • ✔️ Designed for millions of operations with minimal maintenance

  • ✔️ Provides fast and repeatable actuation under pressure

  • ✔️ Widely compatible with standard pneumatic systems and accessories