Tightness Test - Krom Schroder RV Operating Instructions Manual

3
RV . .S, RV . .E
▷ After completing the installation and setting work,
fit the housing cover.

Tightness test

5
RV
 Open the control valve.
 To be able to check the tightness, shut off the
downstream pipeline close to the valve.
RV..ML
3
5
RV..F
3
3
5
5
0
7
3
RVS
 Close the gas solenoid valve.
 To be able to check the tightness, shut off the
downstream pipeline close to the valve.
RVS..ML
3
5
5
0
7
4
6
4
6
4
4
0
6
6
Open the
solenoid
valve and the
control valve.
8
4
0
4
6
0
6
Open the
solenoid
valve and the
control valve.
8
0
7
RVS..F
3
5
0
7
3
RV, RVS
9 Tightness OK: open the pipeline.
▷ Pipeline leaking: replace the seal on the flange.
Then check for tightness once again.
▷ Unit leaking: remove the unit and return it to the
manufacturer.
5
7
GB-7
щий клапан.
modulante. regulación. ρύθ ισης.
8
0
4
0
6
Open the
solenoid
valve and the
control valve.
8
0
4
0
6
Open the
solenoid
0
valve and the
control valve.
8
0