Honeywell HON 673 - Page 32

Transport and installation
HON 380 gas pressure regulator with HON 673/674 controller 32
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
3
Inlet stop valve armature
4
Outlet stop valve armature
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 … then …
no foam or bubbles are formed
 the system is leak-proof.
 the system may be put into operation.
foam or bubbles are formed
 the affected pipe joint is leaking.
 the system may not be put into operation.
 Proceed with step 4.
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.
Test configuration
Checking the system
for leaks