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4.4 - exhibit Le (cont.)
4.4.7 - Rupture disk connection
rupture disk
NOTES
1.
The rupture disk is factory-mounted on the chiller.
2.
Install a receiver tank for the solution. The tank volume
is approx. 1 m
.
3
3.
Install piping support near the rupture disc connection.
4.4.8 - Rupture disk replacement
1.
Apply a small amount of Teflon paste (part No. 814-2-
3701-002-00) to both sides of the gasket, as shown in
Fig. 21 to avoid leakage, Do not apply too much Teflon
paste.
2.
The gasket (part No. 814-2-2101-675-00-0 or -677-00-0)
should be used as indicated in Fig. 22.
3.
Attach the upper flange exactly parallel to the lower
flange.
4.
Read the manufacturer's installation instructions before
assembly. A torque wrench should be used for tightening
the bolts equally, and the correct torque is shown in
Fig. 22.
NOTE: Disregard the torque table in the installation
instructions from the manufacturer.
5.
Tighten the bolts with a torque wrench during the routine
maintenance.
6.
A used gasket should not be used again.
7.
Leak test the system using the bubble test method.
Fig. 20
Field supply
Vent
Discharge piping
piping
tank
Min. tank
capacity 1 m
Support
to tank
High tension
bolt
High tension
nut
From chiller/heater
3
Drain
A (mm)
b (mm)
C (mm)
tightening
torque
(N m)
Fig. 21
Cap screw
Pipe
Flange
teflon paste
Flange
Gasket
Pipe
Fig. 22
2 inch
disk
104.9
85.9
69.9
Cap screw
26
hexagon
socket
head
A
5
3
C
b
Material:
T/#9090-OR
ANSI class: 150 lbs
Part name: packing, gasket for rupture disk
Part No.:
814-2-2101-675-00-0: 2 inch
814-2-2101-677-00-0: 3 inch
Protective
flange
rupture disk
Protective
flange
teflon paste
3 inch
disk
136.7
120.7
101.6
41
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