- Reversible pneumatic actuator
- Actuator with rolling diaphragm
- Air supply pressure max. 87 psi
- Stem protection by bellow
- Maintenance-free O-ring sealing
- Assembly of additional devices acc. to DIN IEC 60534-6
Model No. |
N/A 471-ANSI |
Dia. Nominal |
N/A 8 Inch |
Dia. Nominal |
N/A 203 mm |
Nominal Pressure |
N/A ANSI 300 |
Actuator |
N/A DP 34 |
Form |
N/A Straight through |
Plug |
N/A Post-guided |
Connection |
N/A Flanged Standard: - Form RF Option: - Form RTJ |
Flanges according to |
N/A ANSI B16.5 |
Flange Dimension- Ø D |
N/A 15.0 Inch |
Flange Dimension- n x Ø d1 |
N/A 12 x 1.0 Inch |
Flange Dimension- Ø K |
N/A 13.0 Inch |
Standard Seat Dia. |
N/A 7.87 Inch |
Standard Cv-Value |
N/A 728 |
Standard Travel |
N/A 2.56 Inch |
Diameter A |
N/A 15.9 Inch |
Valve Dimension [L] |
N/A 22.38 Inch |
Handwheel Diameter D1 |
N/A 15.7 Inch |
Handwheel Height H1 |
N/A 17.4 Inch |
Handwheel Weight |
N/A 37.5 lbs |
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 4.92 Inch5.91 Inch |
Reduced Cv-Values |
N/A
For Seat Dia. 4.92, Reduced Cv: 289 For Seat Dia. 5.91, Reduced Cv: 462 gpm |
Reduced Travel |
N/A 1.97 Inch |
Stem Sealings |
N/A Spring loaded PTFE-V-Ring unit PTFE-/ pure graphite-packing Bellows Seal with safety stuffing box |
Operating Pressure at 14°F to 100°F (ASME B16.34) |
N/A 580 psi |
Operating Pressure at 200°F (ASME B16.34) |
N/A 544 psi |
Operating Pressure at 300°F (ASME B16.34) |
N/A 504 psi |
Operating Pressure at 400°F (ASME B16.34) |
N/A 436 psi |
Operating Pressure at 500°F (ASME B16.34) |
N/A 404 psi |
Operating Pressure at 600°F (ASME B16.34) |
N/A 366 psi |
Operating Pressure at 650°F (ASME B16.34) |
N/A 352 psi |
Operating Pressure at 700°F (ASME B16.34) |
N/A 343 psi |
Operating Pressure at 750°F (ASME B16.34) |
N/A 335 psi |
Operating Pressure at 800°F (ASME B16.34) |
N/A 328 psi |
N/A
|
N/A
|
N/A
Standard: |