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| BRAND | ARI |
| Product | ARI-STEVI 451/463 (Figur 23.451, DN 25, PN 25) |
| Description | 3-way control valve with flanges and bellows seal |
| Internal code | ONR4744647 |
| Technical specification | Nominal pressure: PN 25 Flange hole: according to DIN PN25 Valve function: distribution function (M) Kvs value: 10 Characteristic curve: linear Spindle sealing: stainless steel bellows Safety stuffing box: pure graphite Drive: PREMIO Valve lift: 20mm stroke Drive type: PREMIO 2.2kN max. closing pressure (bar): 13.55 Motor type: synchronous motor Voltage: 230V 50/60Hz Adjustment speed: 0.38mm/sec 0.45mm/sec Setting time: 53/45s Spindle overhang: 83mm Coupling: M12 thread |