Sigla | DN corpo mm | DN attacco valvola | DN attacco tubi | Kvs(¹) m³/h | Corsa mm. | Scheda tecnica | VRB 311 | 15 | 1" | 1/2" | 0,63 | 10 | M 943 | VRB 312 | 15 | 1" | 1/2" | 1,0 | 10 | M 943 | VRB 313 | 15 | 1" | 1/2" | 1,6 | 10 | M 943 | VRB 314 | 15 | 1" | 1/2" | 2,5 | 10 | M 943 | VRB 315 | 15 | 1" | 1/2" | 4,0 | 10 | M 943 | VRB 320 | 20 | 1"1/4 | 3/4" | 6,3 | 15 | M 943 | VRB 325 | 25 | 1"1/2 | 1" | 10 | 15 | M 943 | VRB 332 | 32 | 2" | 1"1/4 | 16 | 15 | M 943 | VRB 340 | 40 | 2"1/4 | 1"1/2 | 25 | 15 | M 943 | VRB 350 | 50 | 2"3/4 | 2" | 40 | 15 | M 943 |
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