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MC • Edition 05.20 • Nº 279 663
12.3 Commissioning/unlocking/control of adjustment values
1. Slowly open the shut-off valve on the inlet side.
The ball wrench on the outlet side remains closed.
2. Monitor the pressure increase upstream of the
device with the pressure gauge on the inlet side.
3. Unlocking the SAV:
3.4 Compensate the pressure by slowly opening the
compensation valve on the valve head: Pull the pro
-
tective cap A downwards approx. 2 mm.
3.5 Monitor the pressure increase on the outlet side of
the pressure gauge.
3.6 Operating pressure on the outlet side is reached: pull
the protective cap A to the stop and lock it.
3.7 TheSAV is open.
3.8 Unscrew the protective cap A
from the push rod and
screw it again on the spring dome G.
4.0 Venting
4.1 Vent the test section into the atmosphere using a suit
-
able hose. Do not use a test burner for venting.
4.2 The test section must be completely filled with gas:
make sure that the test section is free from air by us
-
ing a test burner. Close the stop-cock on the venting
hose and screw on the plug.
5.0 Checking the outlet pressure
5.1 Checking the shut-off pressure of the regulator.
5.2 Open the bleed valve and check the setting value of
the regulator (outlet pressure) on the pressure gauge
and correct according to item 11.1 if necessary.
5.3 Close the drain cock, remove the hose and tighten
the closing plug.
3.1
Unscrew the protective
cap A.
3.2
Reverse the protective cap
A and screw it again onto
the push rod of the SAV.
A
3.3
A
Use the protective cap A
as a handle.
A
Содержание 279042
Страница 14: ...14 72 MC Edition 05 20 Nº 279 663 A B C D E A B C D E F Type UHD F Type HD ...
Страница 15: ...MC Edition 05 20 Nº 279 663 15 72 A B C D F E A B C D E F ND MD for G2 DN40 DN50 ND for G1 G1 5 y DN25 ...
Страница 43: ...MC Edition 05 20 Nº 279 663 43 72 Type UHD X Y Q S W V M C A B D E G F J K L N P H O R U I ...
Страница 45: ...MC Edition 05 20 Nº 279 663 45 72 Type ND MD for 2 DN40 DN50 M B D E G F J K L N H X Y Q S W V O I T ...
Страница 64: ...64 72 MC Edition 05 20 Nº 279 663 14 4 Tools required A B C2 D C1 ...