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Modular F.R.L. Units<br />
Series <strong>AC</strong>-B<br />
How to Order<br />
Regulator / Regulator with Backflow Function<br />
Series AR20-B to AR60-B / Series AR20K-B to AR60K-B<br />
1 2 1<br />
2<br />
Symbol<br />
Regulator<br />
Regulator with<br />
Backflow Function<br />
AR20-B, AR20K-B<br />
AR40-B, AR40K-B<br />
AR 30<br />
q<br />
K<br />
w<br />
e<br />
03<br />
r<br />
BE<br />
t<br />
y<br />
B<br />
• Option/Semi-standard: Select one each for a to g.<br />
• Option/Semi-standard symbol: Wh<strong>en</strong> more than one<br />
specification is required, indicate in alphanumeric order.<br />
Example) AR30K-03BE-1NR-B<br />
w<br />
e<br />
r<br />
t<br />
Option 2)<br />
With backflow<br />
function<br />
Symbol<br />
Description<br />
— Without backflow function<br />
With backflow function<br />
K 1)<br />
+<br />
q<br />
Body size<br />
20 25 30 40 50 60<br />
gauge 4) — Rc<br />
Pipe thread type N<br />
NPT<br />
F<br />
G<br />
+<br />
01 1/8 — — — — —<br />
02 1/4 — —<br />
Port size<br />
03 3/8 — — —<br />
04 1/2 — — — — —<br />
06 3/4 — — — —<br />
10 1 — — — —<br />
+<br />
— Without mounting option<br />
a Mounting B 3) With bracket<br />
H With set nut (for panel mount) — —<br />
+<br />
G Round type pressure gauge (with limit indicator)<br />
— Without pressure gauge<br />
Pressure E Square embedded type pressure gauge (with limit indicator)<br />
M Round type pressure gauge (with colour zone)<br />
b<br />
E1 Output: NPN output/Electrical <strong>en</strong>try: Wiring bottom <strong>en</strong>try<br />
Digital<br />
E2 Output: NPN output/Electrical <strong>en</strong>try: Wiring top <strong>en</strong>try<br />
pressure<br />
E3<br />
switch 5) Output: PNP output/Electrical <strong>en</strong>try: Wiring bottom <strong>en</strong>try<br />
E4 Output: PNP output/Electrical <strong>en</strong>try: Wiring top <strong>en</strong>try<br />
28<br />
For dim<strong>en</strong>sions and other details refer to g<strong>en</strong>eral catalogue series <strong>AC</strong>-B in our website http://www.smc.eu