Material

Air Relief Valve
LD-843 Air Relief Valve

LD-843

Air Relief Valve


  • Maximize operating efficiency by introducing or evacuating air from piping systems.
  • Eliminates vacuum which can produce unwanted siphonage.
  • Specially indicated for piping systems with slope changes and with large sections.
  • Fully serviceable with replaceable components for long-life design.
  • Easily disassembled for cleaning and replacing internal parts.

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
Cap: PVC
Gasket: NBR, EPDM, FKM(FPM)
Valve Slide: PP
O-ring: NBR, EPDM, FKM(FPM)
Nut: PVC, CPVC
End Connector: PVC, CPVC
Male Tread Adaptor: PVC, CPVC

Standard

Socket: ASTM, JIS, BS, NTP
Thread: NPT, BSPT, NPS, BSPF
Working Pressure:
1/2" - 3": 150 PSI @ 73°F
SIZE 1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3"
PCS/CTN 96 80 48 32 16 16 6 6

Standard

Socket: DIN
Thread: NPT, BSPT, NPS, BSPF
Working Pressure:
DN15 - DN80: PN10 BAR @ 22°C
SIZE DN DN15 DN20 DN25 DN32 DN40 DN50 DN65 DN80
d (mm) 20 25 32 40 50 63 75 90
PCS/CTN 96 80 48 32 16 16 6 6


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