Datasheet

Outlet pressure (MPa)
Flow rate (l/min (ANR))
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0 5
0 100 150 200 250 300
Outlet pressure (MPa)
Flow rate (l/min (ANR))
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0 100 200 300 400 500 600
Outlet pressure (MPa)
Flow rate (l/min (ANR))
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0 100 200 300 400 500 600 700 800 900
Outlet pressure (MPa)
Inlet pressure (MPa)
0.25
0.20
0.15
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
Outlet pressure (MPa)
Inlet pressure (MPa)
0.25
0.20
0.15
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
Outlet pressure (MPa)
Inlet pressure (MPa)
0.25
0.20
0.15
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
Rc1/4
Rc3/8
Rc1/2
Set point
Set point
Set point
Flow Characteristics (Representative values)
Condition:
Inlet pressure 0.7 MPa
ARP20
(
K
)
ARP20
(
K
)
ARP30
(
K
)
ARP40
(
K
)
ARP30
(
K
)
ARP40
(
K
)
Pressure Characteristics (Representative values)
Conditions:
Inlet pressure 0.5 MPa
Outlet pressure 0.2 MPa
Flow rate 20 l/min (ANR)
Series ARP20/30/40
Construction
ARP20
(
K
)
/30
(
K
)
/40
(
K
)
ARP20K/30K/40K (With backflow function)
Valve assembly
Valve guide assembly
Diaphragm assembly
Check valve assembly
Brass, HNBR, NBR
Polyacetal, NBR
HNBR, Stainless steel, Brass
—
3
4
5
6
Note)
No. Description
Material
Part no.
AR20KP-020AS
ARP20P-330AS
ARP20P-050AS
ARP20P-151AS
ARP20
(
K
)
ARP30P-330AS
ARP30P-050AS
ARP30P-151AS
ARP30
(
K
)
ARP40P-330AS
ARP40P-050AS
ARP40P-151AS
ARP40
(
K
)
Replacement Parts
Note) The check valve assembly is the replacement part for a regulator with a backflow function (ARP20K to 40K), and it is made up of check valve
body assembly, the check valve cover and 2 screws.
∗ Please consult SMC for special application specifications.
Body
Bonnet
1
2
No. Description
Aluminum die-casted
Polyacetal
Material
External color: White
External color: White
Note
Component Parts
A-A
A
CS M
2
OUT
1
I N
A
y
IN
OUT
BLEED
r
q
t
w
e
Direct Operated Precision Regulator/Modular Style Series ARP20/30/40
8