ITRON RR16 Mode D'emploi page 13

FLOW DISC FOR FLOW VOLUMES < 10 % OF QMAX (< 1:10)
DN 25
Design framework till April 1998
111-163-10 orifice ø 24
Design framework from Mai 1998
onwards (recess at the bottom)
111-363-10 orifice ø 24
111-163-15 orifice ø 31
STANDARDMODEL WITH
Compensation disc
NOTE
For orifice ø 24 / ø 31 / ø 42, instead of an Oring or a
compensation disk, install the flow disk between the valve disk
and the collar at the valve rod.
Remove the O-ring (valve disk seal) before assembling the flow
disk and then reinstall it.
FLOW DISC INSTALLATION.
Remove inspections plate from body (Pos. No 8 of material list). Loosen hex nut; insert a screwdriver into the slot of the thread to
counter hold the valve rod. Remove valve disk, washer and lock washer. Remove O-ring or compensation disk and install flow disk
(pay attention to correct position!).
Insert valve disk, washer and lock washer. Fasten hex nut (max 5 Nm), counter hold with a screwdriver (blade: 8 x 1.2or 9 x 1.4 mm).
Reassembling inspections plate on body, check tightness after assembly!
DN50
Design framework till April 1998
111-163-10 orifice ø 24
- Design framework from Mai 1998 onwards
(recess at the bottom) 111-163-10 orifice ø 24
- 111-163-15 for orifice ø 31
-111-363-15 for orifice ø 42
Valve disk assy. 111-360-20 orifice ø 54
O-Ring
Orifice Ø24
SW 17
(Orifice Ø31,
Ø42 and Ø54)
SW 17
Valve disk assy. 111-360-20
- 111-363-15 for orifice ø 42
- Valve disk assy. 111-560-20 orifice ø 82
MODEL WITH FLOW DISC
FOR ORIFICE Ø 24 / Ø 31 / Ø 42
SW 17
Model with valve disk assy
for orifice Ø54 & Ø82
The valve disc assemblies are used for orifice ø 54 & 82. You
don't need remove the compensation disk.
DN 80
orifice ø 54
-
-
Pay attention
to correct position
SW 17;
SW 19 (DN80)
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