Datasheet
How to Order
Direct Operated Precision Regulator/Modular Style
ARP20 to ARP40
Direct Operated Precision Regulator with
Backflow Function/Modular Style
ARP20K to ARP40K
ARP
30
03
BE
K
• Option / Semi-standard: Select one each for a to f.
• Option / Semi-standard symbol: Enter them alphanumerically.
Example) ARP30K-03BE-1RY
Regulator
JIS symbol
Regulator with
backflow function
• With the backflow function it incorporates a mechanism to exhaust the air pressure in
the outlet side reliably and quickly.
Example 2)
When the air supply is cut off and
releasing the inlet pressure to the
atmosphere, the residual pressure
release of the outlet side can be en-
sured for a safety purpose.
Example 1)
When the pressure in the rear and
the front of the cylinder differs:
+
+
+
+
20
30
40
Body size
Description
Without backflow function
With backflow function
Symbol
—
K
—
B
Note 2)
H
Rc
NPT
G
—
N
F
1/8
1/4
3/8
1/2
01
02
03
04
With backflow
function
Thread type
Port size
a
Without mounting option
With bracket
With set nut (For panel mount)
—
E
G
E1
Note 3)
E2
Note 3)
E3
Note 3)
E4
Note 3)
Mounting
Pressure
gauge
Digital
pressure
switch
b
Without pressure gauge
Square embedded type pressure gauge (With limit indicator)
Round type pressure gauge (With limit indicator)
Output: NPN output / Electrical entry: Wiring bottom entry
Output: NPN output / Electrical entry: Wiring top entry
Output: PNP output / Electrical entry: Wiring bottom entry
Output: PNP output / Electrical entry: Wiring top entry
Note 1)
Option
+
+
+
Note 1) Options B, G, H are shipped together, (but not assembled).
Note 2) Set nut is included for bracket.
Note 3) When choosing with H (panel mount), the installation space for the lead
wires will not be secured. In this case, select “wiring top entry” for the lead
wire entry. (Select “wiring bottom entry” when the semi-standard Y is chosen
simultaneously.)
Note 4) The only difference from the standard specifications is the pressure regulator
spring.
It does not restrict the setting of 0.2 MPa/0.6 MPa or more.
When the pressure gauge is attached, a 0.2 MPa pressure gauge for a
0.2 MPa setting will be fitted, and a 0.7 MPa pressure gauge for a 0.6 MPa
setting will be fitted.
When a digital pressure switch is attached, the pressure display is fixed to
1.0 MPa.
Note 5) For thread type: NPT. This product is for overseas use only according to the
new Measurement Law. (The SI unit type is provided for use in Japan.) The
digital pressure switch will be equipped with the unit conversion function,
setting to psi initially.
Note 6) For options: E1, E2, E3, E4. This product is for overseas use only according
to the new Measurement Law. (The SI unit is provided for use in Japan.)
Note 7)
: For thread type: NPT only
Note 8)
: Combination available for options: E1, E2, E3, E4.
DescriptionSymbol
ARP40/ARP40KARP30/ARP30KARP20/ARP20K
—
1
Note 4)
3
Note 4)
Set pressure
c
0.005 to 0.4 MPa setting
0.005 to 0.2 MPa setting
0.008 to 0.6 MPa setting
20 30 40
—
R
Flow direction
d
Flow direction: Left to right
Flow direction: Right to left
—
Y
Knob
e
Downward facing knob
Upward facing knob
—
Z
Note 5)
ZA
Note 6)
Pressure unit
f
Name plate and pressure gauge in imperial units: MPa
Name plate and pressure gauge in imperial units: psi
Digital pressure switch: With unit conversion function
Body size
Note 7)
Note 8)
Note 7)
Note 8)
Note 7)
Note 8)
Semi-standard
Direct Operated Precision Regulator/Modular Style
Series ARP20 to ARP40
Series ARP20K to ARP40K
Direct Operated Precision Regulator with
Backflow Function/Modular Style
2