SMC AS Series Speed Controller Speed Controller R 1/8 in One-touch Fitting 4 mm

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RS Stock No.:
827-0856
Mfr. Part No.:
AS2201F-01-04SA
Manufacturer:
SMC
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Brand

SMC

Product Type

Speed Controller

Outlet Connection Type

One-touch Fitting

Sub Type

Speed Controller

Inlet Connection Size

1/8 in

Outlet Connection Size

4 mm

Series

AS

Inlet Thread Standard

R

Maximum Operating Pressure

1 Mpa

Material

Stainless Steel, POM, Electroless Nickel Plated, Nitrile Rubber (NBR), Polybutylene Terephthalate, Hydrogenated Nitrile Butadiene Rubber, Brass

Minimum Operating Temperature

-5°C

Maximum Operating Temperature

60°C

Standards/Approvals

RoHS

Minimum Operating Pressure

0.1MPa

Hazardous Area Certification

No

Proof Pressure

1.5MPa

RoHS Status: Exempt

COO (Country of Origin):
IN

SMC Series AS Speed Controller, 1/8 inches Inlet Connection size, 4mm Outlet Connection size - AS2201F-01-04SA


This stainless steel speed controller regulates pneumatic flow to control actuator movement in industrial systems. It is intended for compressed-air applications where precise adjustment of flow rate is required and connects via a one-touch fitting for quick tubing installation. Constructed from corrosion-resistant materials with elastomeric seals, it operates across a wide temperature span suitable for typical factory and laboratory environments.

Features & Benefits


• 1/8 inches inlet with 4mm outlet one-touch fitting for fast connections
• Operates from 0.1–1 MPa supporting varied supply pressures
• Proof pressure 1.5 MPa provides margin for pressure spikes
• Temperature range -5°C to 60°C enables low-temperature operation
• Electroless nickel-plated body resists corrosion in harsh atmospheres
• NBR sealing maintains reliable sealing with pneumatic media

**Applications**


• Suitable for controlling cylinder retraction and extension speeds
• Ideal for conveyor indexing speed adjustment in automation
• Used with pneumatic valves to fine-tune actuator response
• Can be used for machine-tool feed-rate damping in workshops

What materials contact the pneumatic medium inside the valve?


Internal wetted parts include nitrile rubber Seals and plastics such as POM and polybutylene terephthalate combined with brass and stainless surfaces to balance durability and sealing.

How does the unit handle sudden pressure surges?


The component is rated to withstand a proof pressure of 1.5 MPa, allowing it to tolerate transient overpressure events above normal operating limits.

What construction features aid longevity in industrial settings?


The external surfaces feature electroless nickel plating and stainless steel elements to reduce corrosion, while hydrogenated nitrile butadiene rubber contributes resistance to oil-laden air.

Is this regulator compatible with RoHS-restricted installations?


The product conforms to RoHS requirements, making it suitable where restricted-substance compliance is necessary.

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