SMC AS4210 Flow Speed Control 1/2" NPT

Pneumatic flow speed control valve designed to regulate air flow and control cylinder speed in compressed air systems, allowing smooth and precise adjustment of actuator movement. Manufacturer: SMC Corporation Manufacturer country: Japan Product type: Pneumatic flow speed control valve Model: AS4210 Series: AS Function: Meter‑out / flow control with speed adjustment Connection size: 1/2 in Thread type: NPT female Port configuration: Elbow type Flow control method: Needle valve with check valve Adjustment type: Manual knurled adjustment screw Locking mechanism: Adjustment lock nut Operating medium: Compressed air Operating pressure range: 0.1 to 1.0 MPa Maximum operating pressure: 1.0 MPa (145 psi) Proof pressure: 1.5 MPa Flow direction: One‑way throttling with free reverse flow Body material: Nickel‑plated brass Seal material: NBR (nitrile rubber) Mounting orientation: Inline / elbow mounting Temperature range: −5 °C to +60 °C Leakage: Low internal leakage design Adjustment resolution: Fine flow adjustment Installation location: Cylinder ports or pneumatic lines Typical applications: Pneumatic cylinder speed control, automation equipment, air handling systems Industry usage: Industrial automation, packaging machinery, assembly systems Maintenance: Maintenance‑free under normal operating conditions Product status: Standard industrial pneumatic component Please review pictures carefully and let us know if you have any questions!