Honeywell HON 512 User And Maintenance Manual page 39

HON 512 with HON 650 pilot user manual
No. Meaning
11 Vent line
12 Relief line
13 Blowdown line
Following is the meaning of the acronyms:
Acr. Meaning
DN Nominal size of pipe
L Undisturbed length of pipe
uR
* Shut-off device with undisturbed flow pattern (ball valve) can be incorporated
Basics for installing the device in a pipe
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