Index plate
S
Caution
Be sure to read this before handling the products.
Refer to the back cover for safety instructions.
For flow control equipment precautions, refer to
the “Handling Precautions for SMC Products” and
the “Operation Manual” on the SMC website:
http://www.smcworld.com
Applicable tubing O.D.
∗1
Metric size Inch size
01
ø1/8"
03
ø5/32"
07
ø1/4"
09
ø5/16"
11
ø3/8"
13
ø1/2"
23
ø3.2
∗2
04
ø4
06
ø6
08
ø8
10
ø10
12
ø12
∗1 For selecting applicable tubing
O.D., refer to the “Model” shown
above.
∗
2 Use ø1/8" tubing.
Made to Order
Made to Order
Lubricant: Vaseline
-X12
Example) AS2002FS-04-X12
Restrictor (Without check valve)
Clean Series
-X214
10-
Example) AS2002FS-04-X214
Example) 10-AS2002FS-04
Grease-free (Seal: Fluorine-coated) +
Restrictor (Without check valve)
-X21
Example) AS2002FS-04-X21
∗ Not particle-free
∗1 Fluorine grease is used.
∗2 The cleanliness class (ISO class) is 5.
Flow Direction
Symbol on Body
Model
Flow Rate and Sonic Conductance
Specifications
∗ C and b values are for controlled flow with the needle fully open and free flow with the needle fully closed.
∗ The same specifications also apply to the AS-FSG series (stainless steel type).
Model
AS1002FS AS2002FS AS2052FS AS3002FS AS4002FS
Tubing
O.D.
Metric size ø3.2 ø4 ø6 ø4 ø6 ø6 ø8 ø6 ø8 ø10 ø12 ø10 ø12
Inch size ø1/8" ø5/32" ø1/4" ø5/32" ø1/4" ø1/4" ø5/16" ø1/4" ø5/16" ø3/8"
—
ø3/8" ø1/2"
C values: Sonic
conductance
dm
3
/(s·bar)
Free flow 0.3 0.4 0.6 0.4 0.6 1.0 1.2 1.1 1.6 2.2 2.6 2.4 3.5
Controlled
flow
0.3 0.4 0.6 1.0 1.2 1.3 1.9 2.7 3.3 2.8 4.1
b values: Critical
pressure ratio
Free flow 0.3 0.2 0.3 0.1 0.2 0.2 0.3 0.2
Controlled flow
0.2 0.3 0.4 0.2 0.2 0.3 0.1 0.2 0.1 0.2
Model
Applicable tubing O.D.
Metric size Inch size
3.2 4 6 8 10 12 1/8"
5/32"
1/4"
5/16"
3/8" 1/2"
AS1002FS
V V V V V V
AS2002FS
V V V V
AS2052FS
V V V V
AS3002FS
V V V V V V V
AS4002FS
V V V V
Symbol
∗1 Use caution at the max. operating pressure when using soft nylon or
polyurethane tubing. (Refer to the Web Catalog for details.)
Fluid Air
Proof pressure 1.5 MPa
Max. operating pressure 1 MPa
Min. operating pressure 0.1 MPa
Ambient and fluid temperatures
−5 to 60°C (No freezing)
Applicable tubing material
Nylon, Soft nylon, Polyurethane
∗1
, FEP, PFA
3
Speed Controller with
Indicator
(In-line Type)
AS-FS Series
