ARI - Αναλογική βαλβίδα STEVI Smart - 440/441
Straight through control valves ARI STEVI® Serie SMART 440/441
Straight through linear control valves with pneumatic or electric actuator, flanged ends, with packing (440) or with bellows (441), for industrial and HVAC applications.
Specification of the range:
Diverse design combinations by plug designs, packings, bellows seal and secondary sealing designs, equal percentage or linear flow characteristic, reduced Kvs-values, materials of construction, nominal size range (DN15-DN250), design pressure range (PN16-40), as well as pneumatic or electric actuation and accessories.
ARI - Control valve STEVI Smart - 440/441
| DIN DVGW - Type approval acc. to DIN 32730 for Fig. 440 with FR 2.1 | |
| DGRL 2014/68/EU (PED Pressure Equipment Directive) | |
| GOST-R (Russia) | |
| CRN (Canada) |
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