Cylindric thread to ISO 228-1 on the valve side. Tapered R-externally or cylindrical Rp-internally threaded to ISO 7-1 on the pipe side.
Each fitting set ALG..2 consists of 2 cap nuts, 2 insert nuts and 2 flat seals. Each fitting set ALG..3 consists of 3 cap nuts, 3 insert nuts and 3 flat seals.
Pipe side externally threaded.