ARI-STEVI® Vario 448 / 449 (DN15-100)

Control valve – straight through with flanges, screwed seat ring and electric actuator ARI-PREMIO-Plus 2G 2,2kN

Application: Selection criteria: complex control task, non-critical operating conditions, standard requirements
application: industrial complex, plant construction, process technology
Medium: Cooling water, cooling brine, warm water, hot water, steam, gas, etc.
  • Compact design
  • Bonnet with rotable traverse
  • Optional: Perforated plug for noise reduction
  • Replaceable seat
  • Reduceable Kvs-values
  • Shaft plug guide
Figure Nominal pressure Material Nominal diameter Information / restriction of technical rules need to be observed! A production permission acc. to TRB 801 No. 45 is available. (acc. to TRB 801 No. 45 EN-JL1040 is not allowed.)

The engineer, designing a system or a plant, is responsible for the selection of the correct valve.

Resistance and fitness must be verified, contact manufacturer for information (refer to Product overview and Resistance list).

12.448 PN16 EN-JL1040 DN15-100
22.448 / 22.449 PN16 EN-JS1049 DN15-100
23.448 / 23.449 PN25 EN-JS1049 DN15-100
25.448 PN40 EN-JS1049 DN15-50
32 448 / 32.449 PN16 1.0619+N DN15-100
34.448 / 34.449 PN25 1.0619+N DN15-100
35.448 / 35.449 PN40 1.0619+N DN15-100
52 448 / 52.449 PN16 1.4408 DN15-100
54 448 / 54.449 PN25 1.4408 DN15-100
55.448 / 55.449 PN40 1.4408 DN15-100
Other materials and versions on request.
 

Pressure-temperature-ratings

Intermediate values for max. permissible operational pressures can be determined by linear interpolation of the given temperature / pressure chart.
acc. to DIN EN 1092-2 -60°C to <-10°C 1) -10°C to 120°C 150°C 200°C 250°C 300°C 350°C 400°C
EN-JL1040 PN16 (bar) 16 14,4 12,8 11,2 9,6
EN-JS1049 PN16 (bar) 16 15,5 14,7 13,9 12,8 11,2
EN-JS1049 PN25 (bar) 25 24,3 23 21,8 20 17,5
EN-JS1049 PN40 (bar) 40 38,5 36,8 34,8 32 28
acc. to manufacturers standard -60°C to <-10°C 1) -10°C to 120°C 150°C 200°C 250°C 300°C 350°C 400°C
1.0619+N PN25 (bar) 18,7 25 23,9 22 20 17,2 16 14,8
1.0619+N PN40 (bar) 30 40 38,1 35 32 28 25,7 23,8
acc. to DIN EN 1092-1 -60°C to <-10°C 1) -10°C to 100°C 150°C 200°C 250°C 300°C 350°C 400°C
1.4408 PN40 (bar) 40 40 36,3 33,7 31,8 29,7 28,5 27,4

Valve with extended bonnet, screws and nuts made of A4-70 (at temperatures below -10°C)

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