OR Gate – OS-1/8-B
Compact and reliable Festo OS-1/8-B OR gate for pneumatic circuits. Ensures logical OR functionality with 1/8″ G-threaded ports and 500 l/min flow rate.
Original price was: $1.21.$1.17Current price is: $1.17.
(Save $0.04)Description
The Festo OS-1/8-B is a pneumatic OR gate valve designed to implement logical OR functions in compressed air systems. It enables airflow from either of two inputs to pass through a single output, ensuring reliable decision-making in pneumatic control applications.
With G1/8″ ports, a nominal flow rate of 500 l/min, and a robust aluminum housing, this valve is suitable for high-performance industrial systems. It operates effectively across a wide pressure range from 1 to 10 bar and can withstand ambient and media temperatures from -10°C to 60°C. Compliant with RoHS and VDMA24364-B1/B2-L, the OS-1/8-B supports lubricated operation for long-term durability.
Whether in automation, machinery control, or complex pneumatic circuits, the Festo OR gate offers reliable and efficient logic control in a compact form factor.
Specifications
| Specification | Details |
|---|---|
| Product Model | OS-1/8-B |
| Valve Function | Pneumatic OR gate |
| Nominal Size | 4 mm |
| Standard Flow Rate | 500 l/min (DIN 1343) |
| Operating Pressure | 1 bar to 10 bar |
| Operating Medium | Compressed air (ISO 8573-1:2010 [7:-:-]) |
| Lubrication | Possible, then required continuously |
| Pneumatic Ports | G1/8 (Ports 1, 2, and 3) |
| Mounting Type | With through-hole |
| Mounting Position | Optional |
| Ambient Temperature Range | -10 °C to 60 °C |
| Media Temperature Range | -10 °C to 60 °C |
| Material – Housing | Wrought aluminium alloy |
| Material – Seals | NBR (nitrile rubber) |
| Weight | 45 g |
| RoHS-Compliant | Yes |
| PWIS Conformity | VDMA24364-B1/B2-L |
| Symbol | 00991102 |
Additional information
| Weight | 0.045 kg |
|---|







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