Type of connection
outer thread-inner thread
Biggest internal diameter D1 (mm)
16.5
Diameter connection 1 D2 (mm)
26
Thread size connection 1
M26
Pitch metric connection 1 (mm)
1.5
Right or left handed thread connection 1
right-handed
Type of sealing connection 1, with thread only
without
Diameter connection 2 D3 (mm)
16.5
Thread size connection 2
M18
Pitch metric connection 2 (mm)
1.5
Right or left handed thread connection 2
right-handed
Type of sealing of connection 2, with thread only
internal cone
Biggest external diameter D4 (mm)
26