Material

Gear Type Butterfly Valve
LD-838G Butterfly Valve – Gear Type

LD-838G

Butterfly Valve – Gear Type

  • Rigid plastic body and disc for dependable chemical resistance inside and out.
  • Wafer type disc offers less flow restriction than other designs.
  • Face-seal design requires no additional gaskets between mating flanges.
  • Ideally suited for flow control using minimal piping space.
  • Handle gives clear indication of disc opening degree.
  • High output gear operator with integral disc position indicator.

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, JIS, TABLE D&E
Working Pressure:
3" - 4": 150 PSI @ 73°F
5" - 16": 100 PSI @ 73°F
SIZE 3" 4" 5" 6" 8" 10" 12" 14" 16"
PCS/CTN 1 1 1 1 1 1 1 1 1

Standard

Flange: DIN, ISO
Working Pressure:
DN80 - DN100: PN10 BAR @ 22°C
DN125 - DN400: PN6 BAR @ 22°C
SIZE DN DN80 DN100 DN125 DN150 DN200 DN250 DN300 DN350 DN400
d (mm) 90 110 140 160 225 280 315 355 400
PCS/CTN 1 1 1 1 1 1 1 1 1


Pressure vs. Temperature

Body PVC
Valve Size (Inches) 0–49°C 50–60°C 61–80°C
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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