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Straight through control valve with screwed seat ring
DN 15 - 100
STEVI® 445 / 446
Electric actuator ARI-PREMIO
• Enclosure IP 65
• 2 torque switches
• 1 travel switch
• Handwheel
• Additional devices available,
e.g. potentiometer
STEVI® 445 / 446
Electric actuator FR
with safety reset
• Optional direction for safety reset,
OPEN or CLOSE, as required
• Enclosure IP 54
• 1 travel switch for OPEN and CLOSE
• Additional devices available,
e.g. potentiometer
STEVI® 445 / 446
with electric and pneumatic actuators
Fig. 445
Page 2
STEVI® 445 / 446
Electric actuator AUMA SAR
• Electric multiturn actuator capable of
high closing pressures
• Enclosure IP 67
• 2 torque switches
• 2 limit switches
• Handwheel
• Overheating protection for motor as standard
• Additional devices available,
e.g. potentiometer
• Explosion proof version available
STEVI® 445 / 446
Pneumatic actuator DP
• Reversible pneumatic actuator
• Actuator with rolling diaphragm
• Air supply pressure max. 6 bar
• Stem protection by bellow
• Maintenance-free O-ring sealing
• Assembly of additional devices
acc. to DIN IEC 60534-6
Page 4
Page 6
Page 10
Fig. 446
Features:
• Compact design
• Precision guided stem
• Burnished stem
• Tapered seat joint
• Replaceable seat and plug
• Screwed seat ring
• Kvs-values reducible up to 6 times
• Rangeability 50 : 1
• Spring- loaded PTFE-V-ring packing unit
• Two-ply bellows seal
• Travel indicator
Edition 10/05 - Data subject to alteration Data sheet 0440003
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(Material and Figure-No.
refer to technical data
or part list.)
STEVI® 445 / 446
with electric actuator ARI-PREMIO
Fig. 446Fig. 445
Heights and weights
DN 15 20 25 32 40 50 65 80 100
H (mm) 556 556 564 564 571 577 590 605 624
2,2 kN
5 kN 10,9 11,7 13 14,8 17,3 20 27,2 33,4 46
...445
H (mm) 727 740 755 774
12 kN
15 kN
H (mm) 741 741 749 749 740 742 826 838 854
2,2 kN
5 kN 16,5 18 20,5 23,5 29,5 32 39 49 66
...446
H (mm) 892 976 988 1004
12 kN
15 kN
Other dimensions refer to page 17.
2
PN16 /PN25-40
(kg)
PN16 /PN25-40
(kg)
PN16 /PN25-40
(kg)
PN16 /PN25-40
(kg)
9,8 10,6 11,9 13,7 16,2 18,9 26,1 32,3 45
24 31,2 37,4 50
15,4 16,9 19,4 22,4 28,4 30,9 37,9 47,9 64
36 43 53 70
Edition 12/02 - Data subject to alteration
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STEVI® 445 / 446
Closing pressures with ARI-PREMIO
max. permissible closing pressures on flow-to-open P2 = 0
(Observe pressure-temperature-limits on page 17. Plug design acc. to „Selection STEVI
®
“, refer to techn. annex.)
DN 15 20 25 32
Seat-∅(mm) 12 16 22 28
Standard
Kvs-values
Kvs-value 4 6,3 10 16
Tr av e l (mm) 20 20 20 20
Seat-∅(mm) 3 5 12 3 5 12 3 5 12 16 16 22
Reduced
Kvs-values
Kvs-value
0,25 /
0,16 /
0,1
0,63 /
0,4
2,5 /
1,6 /
1
0,25 /
0,16 /
0,1
0,63 /
0,4
4 /
2,5 /
1,6 /
1
0,25 /
0,16 /
0,1
0,63 /
0,4
4 /
2,5 /
6,3 6,3 10
1,6 /
1
Travel mm 20 20 20 20 20 20 20 20 20 20 20 20
I. 40 40 40 40 40 40 40 40 40 40 40 40 40 40 28,6
Closing
1)
Actuator
ARI-PREMIO
2,2 kN
pressure (bar)
Operating time
(Operat. speed 0,38 mm/s)
II. 40 40 40 40 40 40 40 40 40 40 40 40 40 40 26,7
III. 33,3 33 32 33,3 33 32 31,4 33,3 33 32 31,4 30,5 31,4 30,5 25,2
2)
(s)
53 53 53 53
I. 40
1)
Actuator
ARI-PREMIO
5 kN
Closing
pressure (bar)
Operating time
(Operat. speed 0,38 mm/s)
II. 40
III. 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40
2)
(s)
53 53 53 53
I. Fig. 445: PTFE-V-ring unit; II. Fig. 445: PTFE- / pure graphite-packing; III. Fig. 446: Bellows seal
DN 40 50 65 80 100
Seat-∅(mm) 35 43 56 70 95
Standard
Kvs-values
Kvs-value 25 40 63 100 160
Tr av e l (mm) 20 20 30 30 30
Seat-∅(mm) 22 28 28 35 35 43 43 56 56 70
Reduced
Kvs-values
Kvs-value 10 16 16 25 25 40 40 63 63 100
Travel mm 20 20 20 20 20 20 20 30 30 30
I. 40 28,6 18 28,6 17,9 11,6 17,6 11,3 6,3 11,3 6,3 3,8 6,3 3,8 1,8
1)
Actuator
ARI-PREMIO
2,2 kN
Closing
pressure (bar)
Operating time
(Operat. speed 0,38 mm/s)
II. 40 26,7 16,8 26,7 16,7 10,8 16 10,2 5,7 10,2 5,7 3,4 5,7 3,4 1,6
III. 29,1 24 15 24 14,9 9,6 15 9,6 5,3 9,6 5,3 3,1 5,3 3,1 1,4
2)
(s)
53 53 53 79 53 79 79
I. 40 40 40 40 30,2 40 29,9 17,4 29,9 17,4 10,9 17,4 10,9 5,7
1)
Actuator
ARI-PREMIO
5 kN
Closing
pressure (bar)
Operating time
(Operat. speed 0,38 mm/s)
II. 40 40 40 40 29,4 40 28,8 16,7 28,8 16,7 10,5 16,7 10,5 5,5
III. 40 40 40 40 40 28,2 40 28,2 16,3 28,2 16,3 10,2 16,3 10,2 5,3
2)
(s)
53 53 53 79 53 79 79
I. 40 40 40 40 40 28,7 40 28,7 15,4
Closing
1)
Actuator
ARI-PREMIO
12 kN
pressure (bar)
Operating time
(Operat. speed 0,79 mm/s)
II. 40 40 40 40 40 28,3 40 28,3 15,2
III. 40 40 40 40 40 28 40 28 15
2)
(s)
25 25 38 25 38 38
I. 36,3 36,3 19,6
1)
Actuator
ARI-PREMIO
15 kN
Closing
pressure (bar)
Operating time
(Operat. speed 0,38 mm/s)
II. 35,9 35,9 19,3
III. 35,6 35,6 19,2
2)
(s)
79 79
I. Fig. 445: PTFE-V-ring unit; II. Fig. 445: PTFE- / pure graphite-packing; III. Fig. 446: Bellows seal
1)
Motor voltage: 230V 50Hz
Other voltages: 24V 50/60Hz; 115V 50/60Hz; 230V 60Hz
Technical data for actuator refer to data sheet ARI-PREMIO.
2)
Indicated operating times with 50 Hz.
Edition 05/05 - Data subject to alteration
3
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(Material and Figure-No.
refer to technical data
or part list.)
STEVI® 445 / 446
with electric actuator FR 2.1 / FR 2.2 with safety reset
Fig. 445
Heights and weights
DN 15 20 25 32 40 50 65 80 100
H
...445
...446
Other dimensions refer to page 17.
4
FR 2.1
FR 2.2
H
FR 2.1
FR 2.2
FR 2.1 (mm) 573 573 581 581 588 594 607 622
FR 2.2 (mm) 591 591 599 599 606 612 625 640 659
PN16/PN25-40 (kg) 13,1 13,9 15,2 17 19,5 22,2 29,4 35,6 48
FR 2.1 (mm) 758 758 766 766 757 759 843 855
FR 2.2 (mm) 776 776 784 784 775 777 861 873 889
PN16/25-40 (kg) 18,7 20,2 22,7 25,7 31,7 34,2 41,2 51,2 68
Fig. 446
Edition 12/02 - Data subject to alteration
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STEVI® 445 / 446
Closing pressures with FR2
max. permissible closing pressures on flow-to-open P
(Observe pressure-temperature-limits on page 17. Plug design acc. to „Selection STEVI
2
= 0
®
“, refer to techn. annex.)
DN 15 20 25 32
Seat-∅(mm) 12 16 22 28
Standard
Kvs-values
Kvs-value 4 6,3 10 16
Tr av e l (mm) 20 20 20 20
Seat-∅(mm) 3 5 12 3 5 12 3 5 12 16 16 22
Reduced
Kvs-values
Kvs-value
0,25 /
0,16 /
0,1
0,63 /
0,4
2,5 /
1,6 /
1
0,25 /
0,16 /
0,1
0,63 /
0,4
4 /
2,5 /
1,6 /
1
0,25 /
0,16 /
0,1
0,63 /
0,4
4 /
2,5 /
6,3 6,3 10
1,6 /
1
Travel mm 20 20 20 20 20 20 20 20 20 20 20 20
I. 40 40 40 40 40 40 34 40 40 40 34,2 17,3 34,2 17,3 10,1
Actuator
FR 2.1
1 kN
Closing
pressure (bar)
1)
Operating time
Operating time at
voltage failure (s)
II. 40 40 40 40 40 40 28,6 40 40 40 28,7 14,3 28,7 14,3 8,3
III. 11,5 11,2 10,2 11,5 11,2 10,2 9,7 11,5 11,2 10,2 9,7 8,8 9,7 8,8 6,8
2)
(s)
69 69 69 69
5,5 5,5 5,5 5,5
I. 40 40 40 40 40 28,6
Actuator
FR 2.2
2,2 kN
Closing
pressure (bar)
1)
Operating time
Operating time at
voltage failure (s)
II. 40 40 40 40 40 26,7
III. 33,3 33 32 33,3 33 32 31,4 33,3 33 32 31,4 30,5 31,4 30,5 25,2
2)
(s)
69 69 69 69
5,5 5,5 5,5 5,5
I. Fig. 445: PTFE-V-ring unit; II. Fig. 445: PTFE- / pure graphite-packing; III. Fig. 446: Bellows seal
DN 40 50 65 80 100
Seat-∅(mm) 35 43 56 70 95
Standard
Kvs-values
Kvs-value 25 40 63 100 160
Tr av e l (mm) 20 20 30 30 30
Seat-∅(mm) 22 28 28 35 35 43 43 56 56 70
Reduced
Kvs-values
Kvs-value 10 16 16 25 25 40 40 63 63 100
Travel mm 20 20 20 20 20 20 20 30 30 30
I. 17,3 10,1 6 10,1 6 3,6 5,6 3,3 3,3
Actuator
FR 2.1
1 kN
Closing
pressure (bar)
1)
Operating time2)(s)
Operating time at
voltage failure (s)
II. 14,3 8,3 4,8 8,3 4,8 2,8 4,0 2,3 2,2
III. 7,3 5,5 3 5,5 3 1,6 3 1,6 1,6
69 69 69 69
5,5 5,5 5,5 5,5
I. 40 28,6 18 28,6 17,9 11,6 17,6 11,3 6,3 11,3 6,3 3,8 6,3 3,8 1,8
Actuator
FR 2.2
2,2 kN
Closing
pressure (bar)
1)
Operating time
Operating time at
voltage failure (s)
II. 40 26,7 16,8 26,7 16,7 10,8 16 10,2 5,7 10,2 5,7 3,4 5,7 3,4 1,6
III. 29,1 24 15 24 14,9 9,6 15 9,6 5,3 9,6 5,3 3,1 5,3 3,1 1,4
2)
(s)
69 69 69 103 69 103 103
5,5 5,5 5,5 8,5 5,5 8,5 8,5
I. Fig. 445: PTFE-V-ring unit; II. Fig. 445: PTFE- / pure graphite-packing; III. Fig. 446: Bellows seal
1)
Motor voltage: 230V 50Hz
Other voltages: 24V 50/60Hz; 115V 50/60Hz; 230V 60Hz
Technical data for actuator refer to data sheet FR 2.1.
2)
Indicated operating times with 50 Hz.
Edition 05/05 - Data subject to alteration
5
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(Material and Figure-No.
refer to technical data
or part list.)
STEVI® 445 / 446
with electric actuator AUMA SAR (MATIC)
Fig. 446Fig. 445
6
Edition 04/03 - Data subject to alteration