TRANSPARENT FLAT GLASS GAUGES
for Steam** or Liquid Level

MODEL EFI ST
• For Liquid Level
   1000 to 2000 PSI @ 100°F
   675 to 1350 PSI @ 600°F
• * *MICA-Protected saturated steam rating 350 to 600
• Chamber: Steel
• Cover: Forged Steel
• Fasteners: Alloy Steel

MODEL EFI WT
• For Liquid Level
   4000 PSI @ 100°F
   3080 PSI @ 600°F
• * *MICA-Protected saturated steam rating to 750
• Chamber: Steel
• Cover: Forged Steel
• Fasteners: Alloy Steel

VISIBLE LENGTHS UP TO 125-5/8” ARE AVAILABLE...consult with Ernst Flow Industries.
NOTE: For Model EFI WT, our Models EFI 66-H, 66-L, 67-H and 67-L steel gauge valve sets are
required. (not shown; contact Ernst Flow Industries for details).

**WARNING: Specify if insert gauge is to be used for steam service. Mica shields are required for all steam applications.
For use with PROCESS SATURATED STEAM APPLICATIONS ONLY.
EFI Clear Flat Insert Glass Gauges ARE NOT TO BE USED WITH SUPERHEATED STEAM.
Not for Section I Service.

Installation, Operation, & Maintenance Manual - Flat-Glass-Gauges-EFI.500.03

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