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Product:
PENBERTHY Dual Window Sight Flow Indicators

PENBERTHY Dual Window Sight Flow Indicators

PENBERTHY Dual Window Sight Flow Indicators

Series DW – Added protection for pipeline systems in high traffic or confined areas.

Dual-window sight flow indicators provide two glass discs on each side, so that if either glass should fail for any reason, the other window can withstand pressures temporarily until the unit can be repaired or replaced. Dual-window sight flow indicators and Factory Mutual System approved dual-window sight flow indicators are available in 150 pressure class NPT models and 150 and 300 pressure class flanged models.

Category Tag

Description

Models: 

150 pressure class NPT dual-window

  • DWF: Dual-window NPT SFI (plain)

  • DWFF: Dual-window NPT SFI (flapper)

  • DWFR: Dual-window NPT SFI (rotator)

  • DWFD: Dual-window NPT SFI (drip tube)

 

Models: 

150 pressure class flanged dual-window

  • DWF-F: Dual-window flanged SFI (plain)

  • DWFF-F: Dual-window flanged SFI (flapper)

  • DWFR-F: Dual-window flanged SFI (rotator)

  • DWFD-F: Dual-window flanged SFI (drip tube)

 

Models: 

300 pressure class flanged dual-window

  • DWM-F: Dual-window flanged SFI (plain)

  • DWMF-F: Dual-window flanged SFI (flapper)

  • DWMR-F: Dual-window flanged SFI (rotator)

  • DWMD-F: Dual-window flanged SFI (drip tube)

Technical Data

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