Couplings in brass

Working pressure  Media DN Series
10 bar Compressed air 2.5 mm 961
10 bar Compressed air 5 mm 971
10 bar Compressed air 10 mm 981
20 bar Fluids 4 mm Series 267
20 bar Fluids 10.5 mm Series 417
20 bar Fluids 6 mm (1/4") Series 467
20 bar Fluids 9 mm (11/32") Series 567
20 bar Fluids 14 mm (9/16") Series 667
20 bar Fluids 19 mm (3/4") Series 767
20 bar Fluids 25 mm (1") Series 701
20 bar Fluids 38 mm (1 1/2") Series 851
20 bar Fluids 51 mm (2") Series 921
35 bar Fluids 3 mm Series 225
35 bar Breathing air 5 mm (3/16") Series 221
35 bar  Fluids 6.2 mm Series 324
35 bar Breathing air 6.2 mm (1/4") Series 345
35 bar Breathing air 6.2 mm (1/4") Series 347
35 bar  Fluids 7.4 mm Series 321
35 bar  Breathing air 7.4 mm (9/32") Series 341
35 bar  Breathing air 7.4 mm (9/32") Series 344
35 bar Fluids 8.9 mm Series 414
35 bar  Fluids 10.4 mm Series 411
35 bar  Fluids 14.5 mm Series 604
35 bar  Fluids 19 mm Series 704
 200 bar Fluids 7.4 mm  Series 322 
 200 bar Fluids 10.4 mm Series 412
 250 bar Hydraulics 6.2 mm (1/4")  Series 325