Product introduction：1. The external force required for reversal of S3B, S3R, S3L and S3V series is provided by an external mechanism and can be used for position detection or travel switch;2. The S3PF, S3PM, S3PP, S3PL, S3Y, S3HS, S3C, and S3D series are manually operated and have a variety of structural shapes of control heads to facilitate use under different conditions;3. Cut-off structure, good sealing, flexible reversal, no oil lubrication: 4. Multi-position installation, easy to install and use;5. S3C, S3D, S3Y, S3R and S3L series control heads are made of metal, with long life and more reliability and stability. Category: Mechanical Valve, Brand: Airtac, Series: S3D