CTV-SVX06J-EN
7
Figure 6. Tag included on 3-in. (76.2 mm)
RuptureGuard and 4-in. (101.6 mm) RuptureGuard
(without spool piece)
NNoottee:: Four-inch (101.6 mm) RuptureGuard
™
valve
assembly (without spool piece) is used ONLY
with 250E Heat Recovery CenTraVac
™
chillers;
some models may require additional parts (i.e.,
thread-reducing flange, stud, and nut).
Overview
When moving the flanged rupture/relief valve
assembly, keep it in a horizontal position and utilize flat
work surfaces capable of supporting the weight of the
completed valve assembly (approximately 28 lb [12.7
kg] for the 3 in. [76.2 mm] valve assembly, 67 lb [30.4
kg] for the 4 in. [101.6 mm] valve with spool piece, and
40 lb [18.1 kg] for the 4 in. [101.6 mm] valve assembly
[without spool piece]).
NNootteess::
• While assembling the valve, keep in mind
the desired finished orientation of the ID
plate, pressure gauge, excess flow valve,
and pressure switch (optional).
• Four-inch (101.6 mm) RuptureGuard
™
valve
assembly (without spool piece) is used
ONLY with 250E Heat Recovery
CenTraVac
™
chillers; some models may
require additional parts (i.e., thread-
reducing flange, stud, and nut).
After aligning the bolt holes with the holes in the valve
body, insert the bolts with nuts, and tighten in an
alternating/crossing pattern in equal steps.
NNootteess::
• For 3/8-16 Grade 5 bolts, final torque
required is 12 to 18 ft·lb (16.3 to 24.4 N·m).
• For 5/8-11 Grade 5 bolts, final torque
required is 135 to 165 ft·lb (183.0 to 223.7
N·m).
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