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7 Appendix
Connection hose
Part No.: LH04-Z0300
z
Instrument:
Rectus 21 coupling
z
Installation:
Rectus 21 coupling
z
Length 1.5 m
z
for Preliminary test;
optional: also for other tests.
Test stoppers for two-pipe gas
meter, e. g. DN 25 G 1¼
Part No.: LH04-Z1900
z
with ball valve and
Rectus 21 nipple
z
for connections with swivel
nuts
z
2 pcs. are always required
z
other dimensions available
Overflow cap DN 25 for
one-
pipe gas meter connection
Part No.: LH04-Z0500
z
Thread G2
z
ball valve and Rectus 21 nipple
z
for checking the supply line
and consumption line at the
same time
z
Preliminary test and Main test
