|
ARI-STEVI 440 / 441 |
|
Control valve in straightway form with electric actuator ARI-PREMIO |
|
Figure |
Nominal pressure |
Material |
Nominal diameter |
|---|---|---|---|
| 12.440 / 12.441 | PN16 | EN-JL1040 | DN15-150 |
| 22.440 / 22.441 | PN16 | EN-JS1049 | DN15-150 |
| 22.440 / 23.441 | PN25 | EN-JS1049 | DN15-150 |
| 34.440 / 34.441 | PN25 | 1.0619+N | DN15-150 |
| 35.440 / 35.441 | PN40 | 1.0619+N | DN15-150 |
| 55.440 / 55.441 | PN40 | 1.4408 | DN15-150 |
|
Other materials and versions on request |
|
|
Stem sealing |
Fig. 440:
‧PTFE-V-ring
unit-10˚C up to +220˚C
‧PTFE-packing-10˚C
up to +250˚C
‧Pure
graphite-packing-10˚C up to +450˚C
Fig. 441:
‧Stainless steel
bellows seal with safety stuffing box -60˚C up to +450˚C450˚C
|
|
Plug design |
standard:‧Parabolic plug, metal
seat
optional:
‧Parabolic
plug with PTFE soft seat(max.200˚C)
‧V-port
plug, metal seat
‧Paraboloc
pressure balanced plug, metal seat,Material of pision seal:
PTFE with stainless
steel spring(max.200˚C)
|
|
Guiding |
‧Parabolic plug： Stem guiding ‧V-port plug：Stem and port guiding
|
|
Flow characteristic |
Equal percentage or linear
(from Kvs 100
modified equal percentage)
|
|
Rangeability |
‧50：1 parabolic plug ‧30：1 on V-port plug
|
|
Shut off class (seat/ plug leakage classes) |
‧Metal seat-Leakage class IV acc. to DIN EN 1349 or IEC 60534-4
‧Soft
seat Leakage-class VI acc. to DIN EN 1349 or IEC 60534-4
|
|
ARI-STEVI 450 / 451 |
|
Control valve in 3-way-form with electric actuator ARI-PREMIO (3-way mixing valve / 3-way diverting valve) |
|
Figure |
Nominal pressure |
Material |
Nominal diameter |
|---|---|---|---|
| 12.450 / 12.451 | PN16 | EN-JL1040 | DN15-150 |
| 22.450 / 22.451 | PN16 | EN-JS1049 | DN15-150 |
| 22.450 / 23.451 | PN25 | EN-JS1049 | DN15-150 |
| 34.450 / 34.451 | PN25 | 1.0619+N | DN15-150 |
| 35.450 / 35.451 | PN40 | 1.0619+N | DN15-150 |
| 55.450 / 55.451 | PN40 | 1.4408 | DN15-150 |
| (55.451 to DN100) | |||
|
Other materials and versions on request |
|
|
Construction
|
‧3-way mixing valve(DN15-150)
‧3-way diverting valve(DN40-150) (Operating mode refer to page 24) |
|
Stem sealing |
Fig. 450:
‧PTFE-V-ring unit-10˚C up to +220˚C
‧PTFE-packing-10˚C up to +250˚C
‧Pure graphite-packing-10˚C up to +450˚C
Fig. 451: ‧Stainless steel bellows seal with safety stuffing box -60˚C up to +450˚C |
|
Plug design |
standard: Parabolic plug, metal seat/V-port plug, metal seat |
|
Guiding |
Stem and port guiding |
|
Flow characteristic |
linear |
|
Rangeability |
30:1 |
|
Shut off class (seat/ plug leakage classes) |
Metal seat-Leakage class IV acc. to DIN EN 1349 or IEC 60534-4 |
|
Closing pressure refer to page 4. Technical for actuator to data sheet. |
|
|
ARI-STEVI 470/ 471-ANSI |
|
Control valve in straightway form with electric actuator ARI-PREMIO |
|
Figure |
Nominal pressure |
Material |
Nominal diameter |
|---|---|---|---|
| 35.470...90 /35.471...90 | ANSI 300 | SA216WCB | 1“ - 8“ / DN 25-200 |
|
Other materials and versions on request |
|
|
Stem sealing
|
Fig. 470:
‧PTFE-V-ring unit(to 6"/DN150)+14˚F
to +428˚F/-10˚C to +220˚C
‧PTFE-packing +14˚F up to +428˚F/-10˚C up
to +250˚C
‧Pure graphite-packing +14˚F up to
+842˚F/-10˚C up to +450˚C
Fig. 471:
‧Stainless steel bellows seal (for
retricted pressure range) -76˚F up to +842˚F/-60˚C up to +450˚C |
|
Plug design
|
standard:
‧Parabolic plug, metal seat(1”-6”/DN25-150)
‧V-port plug, metal seat(8”/DN200)
optional:
‧Parabolic plug with PTFE soft
seat(max.392˚F/200˚C)(1”-6”/DN25-150)
‧V-port plug, metal seat(from seat 2,56
in/ 65mm )
‧Paraboloc pressure balanced plug(or
perforated plug), metal seat,Material of
pision seal: PTFE with stainless steel spring(max. 392˚F/200˚C)
|
|
Guiding
|
‧Parabolic plug： Post guiding ‧Perforated/V-port plug：post and port guiding |
|
Flow characteristic
|
Equal percentage or linear (from Kvs 100 modified equal percentage, Miniature-Kvs-values ≤ 0,63 only percentage) |
|
Rangeability
|
‧50：1 parabolic plug ‧30：1 on Perforated plug/V-port plug |
|
Shut off class (seat/ plug leakage classes) |
‧Metal seat-Leakage class IV acc. to
ANSI/FCI 70-2 ‧Soft seat-Leakage class VI acc. to ANSI/FCI 70-2(from Cv 1,2/Kvs 1,0) |
|
Closing pressure refer to page 4. Technical for actuator to data sheet. |
|
