VIDEO:
30 SECOND
PART BUILDER
EXPLAINED
- SMC Home
- Airline Equipment
- Pressure Regulators
- Air Regulators
- AR-B
- AR20(*)-B to AR60(*)-B, Regulator & Regulator w/Backflow Function
AR20(*)-B to AR60(*)-B, Regulator & Regulator w/Backflow Function
Air Regulator Series AR-B have been updated to the new urban white base color for a clean modern look. The AR-B series has a maximum set pressure of 125 psi and offers embedded gauge and pressure switch options not found in the AR-A while maintaining panel mounting interchangeability with the previous AR models. The locking adjustment knob prevents accidental setting changes. Options include a mounting bracket and set nuts for panel mounting. The modular design of the AR-B series connects with other SMC air preparation equipment of similar size. The new AR-B is available in six body sizes with piping from 1/8" to 1" in Rc, NPT and G thread.
- Modular type regulator.
- Available with built-in backflow mechanism.
- Optional embedded pressure gauge.
- Rc, NPT or G(PF) threads.
- Diaphragm is made of ozone resistant rubber material (HNBR).
How to order
21
21
1 1
2
1
513
14
2
4
12
2
12
10
3
1
L
21 21
Symbol
Description
NNq
Body size
20 25 30 40 50 60
Nw
With backflow
function
Nil
Without backflow function
K
*
1
With backflow function
+
Ne
Pipe thread type
Nil
Rc
N
NPT
F
G
+
Nr
Port size
01
1/8
— — — — —
02
1/4
— —
03
3/8 —
— —
04
1/2 — — —
— —
06
3/4 — — —
—
10
1 — — — —
+
Nt
a Mounting
Nil
Without mounting option
B
*
3
With bracket
H
With set nut (for panel mount)
— —
+
Option
*
2
b
Pressure
gauge
*
4
Nil
Without pressure gauge
E
Square embedded type pressure gauge (with limit indicator)
G
Round type pressure gauge (with limit indicator)
M
Round type pressure gauge (with color zone)
Digital
pressure
switch
*
5
E1
Output: NPN output, Electrical entry: Wiring bottom entry
E2
Output: NPN output, Electrical entry: Wiring top entry
E3
Output: PNP output, Electrical entry: Wiring bottom entry
E4
Output: PNP output, Electrical entry: Wiring top entry
Made to order
(Refer to pages 77 to 79 for details.)
Regulator
AR20-B to AR60-B
Regulator with Backflow Function
AR20K-B to AR60K-B
AR
30
q
03
r
BE
t y
K
w e
•Option/Semi-standard:Selectoneeachfora to g.
•Option/Semi-standardsymbol:Whenmorethanone
specification is required, indicate in alphanumeric order.
Example)AR30K-03BE-1NR-B
Symbol
Regulator
Regulator with
Backflow Function
•Withthebackflowfunction,itincorporatesamechanismtoexhausttheairpressurein
theoutletsidereliablyandquickly.
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
ensured for a safety purpose.
Example 1)
When the pressure in the rear and
the front of the cylinder differs:
How to Order
B
Refertopage65forsize10.
67
Symbol Description
NNq
Body size
20 25 30 40 50 60
Ny
Semi-standard
c
Set
pressure
*
6
Nil
0.05 to 0.85 MPa setting
1
0.02 to 0.2 MPa setting
+
d
Exhaust
mechanism
Nil
Relieving type
N
Non-relieving type
+
e Flow direction
Nil
Flow direction: Left to right
R
Flow direction: Right to left
+
f Knob
Nil
Downward
Y
Upward
+
g Pressure unit
Nil
Name plate and pressure gauge in SI units: MPa
Z
*
7
Name plate and pressure gauge in imperial units: psi
*
9
*
9
*
9
*
9
*
9
*
9
ZA
*
8
Digital pressure switch: With unit selection function
*
10
*
10
*
10
*
10
*
10
*
10
Model
AR20-B AR25-B AR30-B AR40-B AR40-06-B AR50-B AR60-B
Port size 1/8, 1/4 1/4, 3/8 1/4, 3/8 1/4, 3/8, 1/2 3/4 3/4, 1 1
Pressure gauge port size
*
1
1/8
Fluid Air
Ambient and fluid temperature
*
2
–5 to 60°C (with no freezing)
Proof pressure 1.5 MPa
Maximum operating pressure 1.0 MPa
Set pressure range 0.05 to 0.85 MPa
Construction Relieving type
Weight [kg] 0.16 0.21 0.29 0.44 0.47 1.17 1.22
*1 Pressure gauge connection threads are not available for F.R.L. unit with a square embedded type pressure gauge or with a digital pressure switch.
*2 –5 to 50°C for the products with the digital pressure switch
Standard Specifications
*1 Set the inlet pressure to at least 0.05 MPa higher than the set pressure.
*2 Options B, G, H, M are not assembled and supplied loose at the time of shipment.
*3 Assembly of a bracket and set nuts (applicable to the AR20(K)-B to AR40(K)-B).
Including 2 mounting screws for the AR50(K)-B and AR60(K)-B
*4 When the pressure gauge is attached, a 1.0 MPa pressure gauge will be fitted for
standard (0.85 MPa) type. 0.4 MPa pressure gauge for 0.2 MPa type.
*5 When choosing with H (panel mount), the installation space for lead wires will not
be secured. In this case, select “wiring top entry” for the electrical entry. (Select
“wiring bottom entry” when the semi-standard Y is chosen simultaneously.)
*6 Pressure can be set higher than the specification pressure in some cases, but use
pressure within the specification range.
*7 For pipe thread type: NPT.
This product is for overseas use only according to the new Measurement Act.
(The SI unit type is provided for use in Japan.)
Cannot be used with M: Round type pressure gauge (with color zone). Available
by request for special.
The digital pressure switch will be equipped with the unit selection function, setting
to psi initially.
*8 For options: E1, E2, E3, E4. This product is for overseas use only according to the
new Measurement Act. (The SI unit is provided for use in Japan.)
*9 : For pipe thread type: NPT only
*10 : Select with options: E1, E2, E3, E4.
AR40-B, AR40K-BAR20-B, AR20K-B
68
Regulator
AR20-B to AR60-B Series
Regulator with Backflow Function
AR20K-B to AR60K-B Series
AC
AF
+
AR
+
ALAW
+
ALAF
+
ARAF
+
AFM
+
ARAW
+
AFM
AF Attachment
AFM / AFD
ARALAW
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