3 piping connections, Notes, Toshiba – Toshiba LF470 User Manual
Page 15
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TOSHIBA
,6,F8A0,8,02,
4.3 Piping Connections
(1) Required Pipe Length
If various joints are used upstream of the detector outlet, the straight pipe length as
shown in Table 4.2 is required.
Table 4.2 Required straight pipe length on the upstream side
L:
Required straight pipe length—straight pipe length plus half length of the detector.
D:
Nominal bore size (diameter)
NOTES
1.
The length of a reducer, if cormected, can be counted as a part of the straight pipe
length.
2.
No straight pipe length is needed on the downstream side. If a butterfly valve is
installed downstream of the detector, do not let the valve plate protrude into the
pipe of the detector
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