Basics For Installing The Device In A Pipe; Installation Example - Honeywell HON 380 User And Maintenance Instructions

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Basics for installing the device in a pipe

Contents

4.1 Installation example

Gas pressure regula-
ting line – example
Legend
HON 380 gas pressure regulator with HON 673/674 controller
Topic
Installation example
Meter run characteristics
Operating and measuring lines
Configuration:
 Direct acting gas pressure regulator (non-piloted)
 With expander without noise reduction element downstream of the gas pres-
sure regulator
The numbers have the following meaning:
No. Meaning
1 Safety Shut-Off Valve
2 Gas pressure regulator
3 Safety relief valve
4 Outlet stop valve armature
5 Sensing point for connection lines (gray area)
6 Gas pressure regulator measuring line
7 Slam-shut device measuring line
8 Vent line
9
Relief line
10 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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