Honeywell HON 380 User And Maintenance Instructions page 32

Test configuration
Checking the system
for leaks
HON 380 gas pressure regulator with HON 673/674 controller
The test setup is as follows (schematic diagram, using the RE1 DN50 and
HON 673 as a reference):
The numbers have the following meaning:
No. Meaning
1 Inlet chamber
2
Outlet chamber
Inlet stop valve armature
3
Outlet stop valve armature
4
Proceed as follows:
Step Description
1
Slowly close the outlet stop valve armature.
2 Apply the test medium to all detachable pipe joints.
3 Observe the test medium on all detachable pipe joints for several minutes.
If ...
no foam or bubbles are formed
foam or bubbles are formed
Step Description
4 Slowly close the inlet stop valve armature.
5 Depressurize the inlet chamber and the outlet chamber.
6 Seal the leaking pipe joints.
7 Repeat the leak test starting with step 1.
Transport and installation
then ...
 the system is leak-proof.
 the system may be put into operation.
 the affected pipe joint is leaking.
 the system may not be put into operation.
 Proceed with step 4.
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