The AS420-04 is an SMC pneumatic speed controller (flow-control valve) designed for use with compressed air applications. It is a standard type, large flow, in-line valve used to control the speed of pneumatic cylinders and other pneumatic equipment.
Key specifications include:
- Manufacturer: SMC Corporation
- Type: Speed controller, large flow in-line type
- Function: Meter-out or meter-in flow control
- Port Size: Rc 1/2″ (female) threaded connections on both sides
- Applicable Cylinder Bore Size: 63 mm, 80 mm, 100 mm, 125 mm
- Rated Flow: 6,700 L/min (at 5 bar)
- Operating Pressure: 0.05 MPa to 1.0 MPa (approx. 0.5 to 10 bar)
- Material: Aluminum alloy body with NBR O-rings
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