| Order Code (Model) |
R-3-1/4-B |
| Festo Part Number |
8985 |
| Valve Function |
3/2-Way Monostable Close Type Logic |
| Pneumatic Connection Port |
G1/4 Female Parallel Thread Matrix |
| Actuation Mechanism Layout |
Heavy-Duty Mechanical Roller Lever Structure |
| Standard Nominal Flow Rate |
Optimized High-Flow Internal Air Path Guide |
| Operating Pressure Range |
-0.95 ~ 8 bar Versatile Vacuum to High Pressure Setup |
| Housing Core Profile |
Die-Cast Anodized Alloy Frame Armor |
Performance Overview
The Festo R-3-1/4-B (Part Number: 8985) is an industrial-tier premium 3/2-way mechanical roller lever pneumatic control valve engineered specifically to serve as a high-reliability positional limit switch or circuit toggle inside rugged factory automation grids. Machined with a robust standard G1/4 parallel porting layout, this highly responsive directional component handles working parameters from vacuum ranges up to 8 bar safely. The actuation head is optimized with an ultra-low friction roller bearing lever assembly to capture passing kinetic mechanical strokes fluidly, routing compressed air with absolute zero-delay response boundaries. Built using a high-density anodized alloy housing block paired with premium inner seals, it coordinates heavy machine cycling arrays with total consistency.
📋 Critical Application Check
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Industry: Linear Cylinder Packaging Sorting Tracks, Automated Pallet Conveyor Stops, Heavy Foundry Safety Door Interlocks, Machine Tool Travel Bounds, Pneumatic Logic Sequence Shifters.
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Zero-Electrical Spark Safety: Bypasses electrical wire requirements entirely, delivering a 100% explosion-proof physical mechanical link perfect for volatile painting or woodworking dust loops.
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Heavy Impact Longevity: Hardened roller lever configuration absorbs recurring physical impact fatigue seamlessly, safeguarding tool uptime while cutting complex system tracking adjustments.
Festo Pneumatic Systems Integration:
