Dwyer AFG - Manual (Page 3)

Bias protruding ends of tubes towards the edge of the 1.26” (32
mm) diameter hole while cutting to length, and cut tubes 0.20” to
0.28˝ (5 to 7 mm) from the outside of the duct wall. DEBURR and
REMOVE SHARP EDGES from the tube ends and slide tube caps
over tubes (see Fig. 8 & 9). Fit the grommets as shown.
Position and secure diaphragms and duct caps over protruding
tubes using clamping washers and No. 6 x 5/8” screws, etc. (See
Fig. 10 & 11).
Push the elbows into the adapters. These may point in any direc-
tion to suit tubing runs to differential pressure measuring instru-
ments (See Fig. 12 & 13).
page 3
Fig. 6
Fig. 7
Fig. 8
Fig. 9
Fig. 10
Fig. 11
Fig. 12
Fig. 13
AFG iom1 1/3/06 2:00 PM Page 3