56
7 Appendix
Test cap DN 25 for one-pipe
gas meter connection
Part No.: LH04-Z0600
z
Thread G2
z
with two ball valves and Rec-
tus 21 nipple
z
for checking the supply line
(non-metered) and consump-
tion line apart from each other
z
for all test types
Y-piece with two ball valves
Part No.: LH04-Z2300
z
1 x coupling Rectus 21,
2 x nipple Rectus 21
z
for Preliminary test;
optional: also for other tests
Feeding device SPL-AUTO
Part No.: ZZ23-10100
z
automatic filling of the gas
bubble with the help of a built-
in electrical pump
z
for serviceability determina-
tions of
non-metered
pipes
and for checks at an arbitrary
place of the pipe
