6
For 42S Control
DD
CC
NN
a.
Mount and pipe control (CC) on vertical equalizing
pipes (DD) at the required elevation as determined
in Step 1.
b.
Install a full ported ball valve (NN) directly below the
lower cross of the water (lower) equalizing line.
For 42S-N Control
JJ
EE
HH
GG
FF
NN
a.
Install fitting (EE) provided in top 1” NPT tapping.
Orient 1/2” NPT tapping (FF) with 1/2” tapping on
control (GG).
b.
Mount and pipe control (HH) on vertical equalizing
pipes (JJ) at the required elevation as
determined in Step 1.
c.
Install gauge glass and other trim such as
pressure gauges or pressure controls following
manufacturer’s instructions.
Note:
These items
are not provided and must be purchased
separately.
d.
Install pipe plugs in all unused tappings on
control body and fittings.
e.
Install a full ported ball valve (NN) directly below
the lower cross of the water (lower) equalizing line.
Summary of Contents for McDonnell & Miller 42S-N Series
Page 1: ...INSTRUCTION MANUAL MM 231G...
