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4j piping connections, Notes, Toshiba – Toshiba LF494 User Manual

Page 19

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TOSHIBA

6 F 8 A 0 7 7 4

4J

Piping Connections

(1) Required Pipe Length

If various jaintsS

¡ i r c

used upiitream of the cleiector oullot, the straight pipe length us

shown in Table 4J is required.

Table 4.1 Required straight pipe length on the upstream side

L: Required straight pipe ietiglh—straight pipe length plus half length of the detector.

D: Nominal bore size (diameter)

NOTES

1. The length of

a

reducer* if connected, can be counted as a part of the straight pipe

length.

2.

No straight pipe letiglh 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

- U -

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