Main Dimensions DIN 11851 Couplers



Size Inner diameter between jaws[mm] Hose Coupler Outer diameter [mm]
25 25 35
40 37 48
50 49 61
60 56 68
80 81 93
100 97,6 114

2920 | Welding Liner



Ru.Ro CODE Quick Note
2920*08 25 *=5 SS304
*=6 SS316

2920*12 40
2920*16 50
2920*20 60
2920*24 80
2920*32 100

2921 | Blank Nut



Ru.Ro CODE Quick Note
2921*08 25 *=5 SS304
*=6 SS316

2921*12 40
2921*16 50
2921*20 60
2921*24 80
2921*32 100

2930 | Welding male part



Ru.Ro CODE Quick Note
2930*08 25 *=5 SS304
*=6 SS316
2930*12 40
2930*16 50
2930*20 60
2930*24 80
2930*32 100

2940 | Blank Liner



Ru.Ro CODE Quick Note
2940*08 25 *=5 SS304
*=6 SS316

2940*12 40
2940*16 50
2940*20 60
2940*24 80
2940*32 100

2931 | Blank Male



Ru.Ro CODE Quick M Material
2931*08 25 *=5 SS304
*=6 SS316
2931*12 40
2931*16 50
2931*20 60
2931*24 80
2931*32 100

3015 | PTFE Gasket



Ru.Ro CODE Hose external diameter [mm]
DN511208 25
DN511212 40
DN511216 50
DN511220 60
DN511224 80
DN511232 100

Ruro s.a.s. di Attilio Rozza & C. fabbrica rubinetteria industriale e accessori per impianti carburante via Moscati, 16 - 20154 MILANO