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Library› Engine Room› Industrial Valves› Control Valve› ARI Armaturen ARI-STEVI® 470 / 471
ARI Armaturen

ARI-STEVI® 470 / 471

Control Valve · Industrial Valves

Class-certified type (DNV register) · technical data sheet not yet verified
Specifications

Technical data.reference — unverified

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Air supply pressure max.6 bar
Kvs-value (m3/h)100 160 250 160 250 400 m3/h
V-port plugmax. diff. pressure 1) (bar) 30
Perforated plugmax. diff. pressure 1) (bar) 40
Seat-Ø (mm)80 mm
Travel (mm)30 mm
I./II. (bar)40 40 37,4 bar
Air supply pressure min. (bar) 2)2800 cm2 2,45-3,28 3,8 bar
Spring range (bar)2,97-3,8 bar
Spring closes on air failure40 a) 40 a) 37,3 a) bar
Stem extending by spring2,97-3,8 4,3 I./II. (bar) 40
Kvs-value10, 16, 25 m3/h
Travel(mm) 20 20 20 30 20 30 30 30 30 30 50 30 50
I.40, 40, 40, 24.5, 40, 24.4, 16 bar
Ii.40, 40, 40, 24, 40, 23.9, 15.6 bar
Iii.40, 40, 40, 23.7, 40, 23.7, 15.5 bar
Operating time (50 Hz)53 s
Seat-ø(mm) 25 25 32 25 32 40 32 40 50 40 50 65 50 65 80 65 80 100 80 100 125 100 125 1
Max. diff. pressure 1)40, 30, 40, 30, 30, 15, 30, 15 bar
Operating speed0.38 mm/s
Operating speed on electrical power failure100 mm/s
Shut off(bar) 40 40 31,5 40 31,3 20,6 31,3 20,6 13 20,6 13 8,2 13 8,2 5,6
Torque(Nm) 15 15 15 15 20 15 20 30 20 30 30
Torque (Nm)(Nm) 30 30 40 30 40 60 40 60 60 60
Output drive(rpm) 5,6 5,6 5,6 5,6 5,6 11 5,6 11
Flanges acc. to DIN EN 1092-1/-2PN16 (mm)
WeightsPN16 / 25 (kg)
Face-to-face dimension FTF series 1 according to DIN EN 558130 (mm)
Max. permissible thrust112 kN
Weight74 kg
Face-to-face dimension ETE series 73210 mm
Manufacturer documentation

Images from manufacturer documentation.

Photos, drawings and page previews from this model’s datasheet or catalog.

Pneumatic actuator valve with different plug types and seat diameters.

Applications

  • industrial control
  • process control
Source: 471 datasheet, p. 22

Features

  • pneumatic actuation
  • adjustable travel

Standards

  • DIN EN 12982
  • DIN EN 12627
Source: 471 datasheet, p. 22
ARI Armaturen ARI-STEVI® 470 / 471 – Photo (dfbaaa5d99f9_S1-10 S. 1)
Photo · dfbaaa5d99f9_S1-10 · S. 1
ARI Armaturen ARI-STEVI® 470 / 471 – Photo (dfbaaa5d99f9_S1-10 S. 1)
Photo · dfbaaa5d99f9_S1-10 · S. 1
ARI Armaturen ARI-STEVI® 470 / 471 – Drawing (dfbaaa5d99f9_S1-10 S. 4)
Drawing · dfbaaa5d99f9_S1-10 · S. 4
ARI Armaturen ARI-STEVI® 470 / 471 – Drawing (dfbaaa5d99f9_S1-10 S. 5)
Drawing · dfbaaa5d99f9_S1-10 · S. 5
ARI Armaturen ARI-STEVI® 470 / 471 – Drawing (dfbaaa5d99f9_S1-10 S. 6)
Drawing · dfbaaa5d99f9_S1-10 · S. 6
ARI Armaturen ARI-STEVI® 470 / 471 – Page preview (dfbaaa5d99f9_S1-10 S. 1)
Page preview · dfbaaa5d99f9_S1-10 · S. 1
ARI Armaturen ARI-STEVI® 470 / 471 – Page preview (dfbaaa5d99f9_S1-10 S. 2)
Page preview · dfbaaa5d99f9_S1-10 · S. 2
ARI Armaturen ARI-STEVI® 470 / 471 – Page preview (dfbaaa5d99f9_S1-10 S. 3)
Page preview · dfbaaa5d99f9_S1-10 · S. 3
Source: 471 datasheet, p. 13
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