LD

Material

For Actuator Butterfly Valve
LD-839 Butterfly Valve – For Actuator
LD-839 Butterfly Valve – For Actuator
LD-839 Butterfly Valve – For Actuator

LD-839

Butterfly Valve – For Actuator

  • Additional rib design strengthen disc structure.
  • Low torque, excellence appearance, high-strength, corrosion resistance, long life.
  • Valve body mounted with the seat seal to ensure low-torque and long life.
  • Meet ISO 5211 standard: F05, F07, F10 easy to replace and installation of Pneumatic and Electric actuator.

    • Please contact us for Flow Rate, CV Value, Working Pressure/Temperature, Pressure Loss, and other technical information.

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Specification

Material

Body: PVC, CPVC
Seat: EPDM, FKM(FPM)

Standard

Flange: ANSI, BS, JIS, TABLE D&E
Working Pressure:
2" - 4": 150 PSI @ 73°F
5" - 12": 100 PSI @ 73°F
SIZE 2" 2-1/2" 3" 4" 5" 6" 8" 10" 12"
PCS/CTN 12 12 5 5 4 3 2 1 1

Standard

Flange: DIN, ISO
Working Pressure:
DN50 - DN100: PN10 BAR @ 22°C
DN125 - DN300: PN6 BAR @ 22°C
SIZE DN DN50 DN65 DN80 DN100 DN125 DN150 DN200 DN250 DN300
d (mm) 63 75 90 110 140 160 225 280 315
PCS/CTN 12 12 5 5 4 3 2 1 1

Torque

N·m 10 10 15 25 40 55 70 210 300
kgf·cm 102 102 153 255 408 561 714 2142 3060

※ Torque value is for empty test.



Pressure vs. Temperature

Body PVC
Valve Size (Inches) 0–49°C 50–60°C 61–80°C
2" 150 70 30
2-1/2" 150 70 30
3" 150 70 30
4" 150 45 30
5" 150 45 30
6" 150 45 30
8" 100 30 15
10" 100 30 15
12" 100 25 10
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