Flame Resistant (Equivalent to UL-94 Standard V-0)
Flat Head Screwdriver Adjustable
Speed Controller with One-touch Fitting
AS 2 1F-W2D Series
Model
Elbow type Port size
Applicable tubing O.D.
ø6 ø8 ø10 ø12
AS221F-G01-W2D
G1/8
AS221F-G02-W2D
G1/4
AS321F-G03-W2D
G3/8
AS421F-G04-W2D
G1/2
Specifications
Fluid Air
Proof pressure 1.5 MPa
Maximum operating pressure 1 MPa
Minimum operating pressure 0.1 MPa
Ambient and fluid temperature −5 to 60°C (No freezing)
Applicable tubing material
*
1
FR double layer, FR soft nylon
*1 Use caution regarding the maximum tubing operating pressure.
(For details, refer to the Web Catalog.)
Flow Rate and Sonic Conductance
Model
AS221F-G01 AS221F-G02 AS321F-G03 AS421F-G04
Tubing O.D. ø6, 8, 10 ø6 ø8, 10 ø8 ø10, 12 ø10 ø12
C values: Sonic
conductance
dm
3
/(s·bar)
Free flow
0.6 1.1 1.2 1.6 2.2 4.2 4.4
Controlled flow
0.7 1.1 1.3 2.2 2.6 4.4 4.8
b values: Critical
pressure ratio
Free flow
0.2 0.3 0.3 0.2 0.2 0.3 0.3
Controlled flow
0.25 0.3 0.3 0.25 0.25 0.25 0.25
*
C and b values are for controlled flow with the needle fully open and free flow with the needle fully closed.
Flow Direction Symbols on Body
Be sure to read this before handling the
products. Refer to the back cover for
Safety Instructions. For Flow Control
Equipment Precautions, refer to Handling
Precautions for SMC Products and the
Operation Manual on the SMC website,
http://www.smcworld.com
Caution
How to Order
AS 2 2 0 1 F G 01 06 W2D
Body size
2
1/8, 1/4 standard
3
3/8 standard
4
1/2 standard
Control method
0
Meter-out
1
Meter-in
Thread type
G
G thread
Port size
01
1/8
02
1/4
03
3/8
04
1/2
Applicable tubing O.D.
*
1
Metric size
06
ø6
08
ø8
10
ø10
12
ø12
*1 For selecting applicable
tubing O.D., refer to the
Model shown above.
Elbow
With One-touch fitting
Flame resistant
flat head screwdriver adjustable
1
