1/2″ AIR REEL SPEED CONTROL VALVE

$63.80

The SMC AS4000-04 Inline Flow Control Valve provides precise, reliable speed control for pneumatic cylinders in a wide range of industrial applications. Built from durable zinc alloy, this lightweight and compact controller delivers consistent performance while allowing fine adjustment of airflow for smooth, accurate actuator movement.

Part of SMC’s trusted AS Series, this inline-style speed controller features an easy-to-use adjustment screw and includes locking nuts as standard, ensuring secure settings even in high-vibration environments. Designed for versatility, the AS4000-04 is compatible with both inch (NPT) and metric (PT/R/Rc) thread types, making it suitable for integration across global pneumatic systems.

The SMC AS4000-04 Flow Control Valve delivers precise speed regulation, high durability, and easy installation — making it an essential component for stable, efficient pneumatic system performance.

SKU: 1787306 Categories: , , Brand:

Product Information

Material
Zinc Alloy
Type
Inline
Length
26 mm
Height
68 mm
Width
56 mm
Operating Pressure
1 MPa
Operating Temperature
-5 to 60 °C
Feature
Compact size saves space. Speed may be accurately controlled even at low speeds. Constant speed easily set. Retainer prevents accidental loss of needle.
Application
Suitable for many heavy-duty applications.
Size
1/2 inch
Colour
Steel
Model
AS4000-04
Style
Standard inline flow control
Body Sizes
M3, M5, 1/8, 1/4, 3/8, 1/2
Port Sizes
M3, M5, 01, 02, 03, 04 (04 = 1/2")
Construction
Zinc alloy
  • Inline speed controller for precise airflow and cylinder speed adjustment
  • Durable zinc alloy construction for long service life
  • Includes locking nuts for secure adjustment retention
  • Wide thread compatibility: NPT (inch) and PT/R/Rc (metric)
  • Compact and lightweight design for easy installation in tight spaces
  • Offered in multiple sizes: M3, M5, 1/8, 1/4, 3/8, and 1/2
  • Simplified mounting to suit a variety of pneumatic layouts

Applications

Designed for heavy-duty pneumatic systems, the AS4000-04 offers excellent performance in:

  • Industrial automation
  • Machinery and equipment control
  • Vehicle body manufacturing
  • Packaging systems
  • Robotics and material handling
  • General factory air applications