ARI Valve Corporation
Output Drive Form A TR 20 x 4
Unit of Measure

Model No.

N/A 471-ANSI

Dia. Nominal

N/A 3 Inch

Dia. Nominal

N/A 76 mm

Actuator

N/A AUMA SAR 07.1

Flanges

N/A ANSI B16.5

Standard Seat Dia.

N/A 3.15 Inch

Standard Cv-Value

N/A 116

Standard Travel

N/A 1.18 Inch

Flange Dimension- Ø K

N/A 6.62 Inch

Flange Dimension- n x Ø d1

N/A 8 x 0.88 Inch

Flange Dimension- Ø D

N/A 8.25 Inch

Torque

N/A 22 ft.-lbf

Operating Time

N/A 56 sec.

Output Drive

N/A 8 rpm

Height [H]

N/A 34.9 Inch

Weight

N/A 163.8 lbs

Valve Dimension [L]

N/A 12.5 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 1.97 Inch2.56 Inch

Reduced Cv-Values

N/A 46 gpm73 gpm

Reduced Travel

N/A 1.18 Inch

Closing Pressure- Controlling

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

Closing Pressure- Shut-Off

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

  • Compact design
  • Precision guided stem
  • Burnished stem
  • Tapered seat joint
  • Replaceable seatring and plug
  • Screwed seatring
  • Cv-values reducible up to 6 times
  • Rangeability 50 : 1 (1 - 6 inch), 30 : 1 (8 inch)
  • Post guided plug
  • Spring loaded PTFE-V-ring packing unit
  • Two-ply bellows seal
  • Travel indicator

N/A

  • Refrigerant
  • Cooling water
  • Warm water
  • Hot water
  • Heat transfer oil
  • Steam
  • Gas

Other applications on request

N/A

    Standard:

    • Parabolic plug (1"-6"), metal seat
    • V-port plug (8"), metal seat

    Special designs:
    • Parabolic plug with PTFE soft seat (max. 392 °F)
    • Perforated plug, metal seat
    • Parabolic pressure balanced plug (or perforated plug), metal seat; Material of piston seal: PTFE with stainless steel sorina (max. 392 °F)