EnviroValve Controls.
EnviroValve Controls.
Address: 125 Magellan Circle
Webster, TX 77598
Tel: +1 713-845-1500
Fax: +1 713-845-1515
Email: info@ari-armaturen.us
Website: www.ari-armaturen.us
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Straight through Control Valve with post guided Plug 1 to 8 inch.
  • Electric multiturn actuator capable of high closing pressures
  • Enclosure IP 67
  • 2 torque switches
  • 2 travel switches
  • Handwheel
  • Overheating protection for motor as standard
  • Additional devices available, e.g. potentiometer
  • Explosion proof execution available
Product Image - STEVI 471 AUMA SAR
Unit of Measure
Items Product Image - STEVI 471 AUMA SAR
35.471 (DN 40) 1 1/2" SAR 07.1
STEVI® 471-ANSI Control Valve
with Electric Actuator AUMA SAR (MATIC) 		Product Image - STEVI 471 AUMA SAR
35.471 (DN 50) 2" SAR 07.1
STEVI® 471-ANSI Control Valve
with Electric Actuator AUMA SAR (MATIC) 		Product Image - STEVI 471 AUMA SAR
35.471 (DN 80) 3" SAR 07.1
STEVI® 471-ANSI Control Valve
with Electric Actuator AUMA SAR (MATIC) 		Product Image - STEVI 471 AUMA SAR
35.471 (DN 100) 4" SAR 07.1
STEVI® 471-ANSI Control Valve
with Electric Actuator AUMA SAR (MATIC) 		Product Image - STEVI 471 AUMA SAR
35.471 (DN 150) 6" SAR 07.1
STEVI® 471-ANSI Control Valve
with Electric Actuator AUMA SAR (MATIC)
Model No. N/A 471-ANSI
Dia. Nominal N/A 1/2 Inch N/A 2 Inch N/A 3 Inch N/A 4 Inch N/A 6 Inch
Dia. Nominal N/A 38 mm N/A 51 mm N/A 76 mm N/A 102 mm N/A 152 mm
Actuator N/A AUMA SAR 07.1
Flanges N/A ANSI B16.5
Standard Seat Dia. N/A 1.57 Inch N/A 1.97 Inch N/A 3.15 Inch N/A 3.94 Inch N/A 5.91 Inch
Standard Cv-Value N/A 29 N/A 46 N/A 116 N/A 185 N/A 462
Standard Travel N/A 1.18 Inch N/A 1.18 Inch N/A 1.18 Inch N/A 1.18 Inch N/A 1.97 Inch
Flange Dimension- Ø K N/A 4.5 Inch N/A 5 Inch N/A 6.62 Inch N/A 7.88 Inch N/A 10.62 Inch
Flange Dimension- n x Ø d1 N/A 4 x 0.88 Inch N/A 8 x 0.75 Inch N/A 8 x 0.88 Inch N/A 8 x 0.88 Inch N/A 12 x 0.88 Inch
Flange Dimension- Ø D N/A 6.12 Inch N/A 6.5 Inch N/A 8.25 Inch N/A 10 Inch N/A 12.5 Inch
Torque N/A 22 ft.-lbf N/A 22 ft.-lbf N/A 22 ft.-lbf N/A 22 ft.-lbf N/A
Operating Time N/A 54 sec.56 sec. N/A 54 sec.56 sec. N/A 56 sec. N/A 56 sec. N/A
Output Drive N/A 5.6 rpm8 rpm N/A 5.6 rpm8 rpm N/A 8 rpm N/A 8 rpm N/A
Height [H] N/A 34.2 Inch N/A 34.2 Inch N/A 34.9 Inch N/A 36.1 Inch N/A 42.4 Inch
Weight N/A 108 lbs N/A 115.6 lbs N/A 163.8 lbs N/A 214 lbs N/A 359 lbs
Valve Dimension [L] N/A 9.25 Inch N/A 10.5 Inch N/A 12.5 Inch N/A 14.5 Inch N/A 18.62 Inch
Connection N/A Option: FormRTJ Standard: FormRF
Guiding N/A Parabolic Plug: Post Guiding Perforated / V-Port Plug: Post and Port Guiding
Stem Sealings N/A Spring loaded PTFE-V-Ring unit PTFE-/ pure graphite-packing Bellows Seal with safety stuffing box
Flow Characteristic N/A Linear or equal percentage (from Cv 116 modified equal percentage)
Rangeability N/A 50 : 1 on parabolic plug
Shut off Class N/A 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)
Reduced Seat Dia. N/A 0.98 Inch1.26 Inch N/A 1.26 Inch1.57 Inch N/A 1.97 Inch2.56 Inch N/A 2.56 Inch3.15 Inch N/A 3.94 Inch4.92 Inch
Reduced Cv-Values N/A 12 gpm18 gpm N/A 18 gpm29 gpm N/A 46 gpm73 gpm N/A 73 gpm116 gpm N/A 185 gpm289 gpm
Reduced Travel N/A 0.79 Inch N/A 0.79 Inch1.18 Inch N/A 1.18 Inch N/A 1.18 Inch N/A 1.18 Inch1.97 Inch
Closing Pressure- Controlling N/A For Seat Dia. 0.98, Closing Pressure: 580
For Seat Dia. 1.26, Closing Pressure: 580
For Seat Dia. Standard, Closing Pressure: 580 psi 		N/A For Seat Dia. 1.26, Closing Pressure: 580
For Seat Dia. 1.57, Closing Pressure: 580
For Seat Dia. Standard, Closing Pressure:538 psi 		N/A For Seat Dia. 1.97, Closing Pressure: 538
For Seat Dia. 2.56, Closing Pressure: 206
For Seat Dia. Standard, Closing Pressure: 315 psi 		N/A For Seat Dia. 2.56, Closing Pressure: 315
For Seat Dia. 3.15, Closing Pressure: 206
For Seat Dia. Standard, Closing Pressure: 129 psi 		N/A
Closing Pressure- Shut-Off N/A For Seat Dia. 0.98, Closing Pressure: 580
For Seat Dia. 1.26, Closing Pressure: 580
For Seat Dia. Standard, Closing Pressure: 580 psi 		N/A For Seat Dia. 1.26, Closing Pressure: 580
For Seat Dia. 1.57, Closing Pressure: 580
For Seat Dia. Standard, Closing Pressure:580 psi 		N/A For Seat Dia. 1.97, Closing Pressure: 580
For Seat Dia. 2.56, Closing Pressure: 580
For Seat Dia. Standard, Closing Pressure: 441 psi 		N/A For Seat Dia. 2.56, Closing Pressure: 580
For Seat Dia. 3.15, Closing Pressure: 441
For Seat Dia. Standard, Closing Pressure: 281 psi 		N/A