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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 st dwg.jpg

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

model wt dwg.jpg

Section
X Size

A
Length of Gauge

B
Length of Visual Glass

Gauge
Model

Gauge
Model

Approx.
Weight (lbs)

Approx.
Weight (lbs)

SINGLE SECTION GAUGE INSERT

11

12

13

14

15

16

17

18

19

5-1/4"

6-1/4"

7-1/4"

8-1/4"

9-3/8"

10-5/8"

11-3/4"

13-3/8"

14-1/8"

3-3/4"

4-3/4"

5-3/4"

6-3/4"

7-7/8"

9-1/8"

10-1/4"

11-7/8"

12-5/8"

EFI ST-1200J

EFI ST-1201J

EFI ST-1202J

EFI ST-1203J

EFI ST-1204J

EFI ST-1205J

EFI ST-1206J

EFI ST-1207J

EFI ST-1208J

13

15

17

20

22

25

28

31

33

EFI WT-10J

EFI WT-11J

EFI WT-12J

EFI WT-13J

EFI WT-14J

EFI WT-15J

EFI WT-16J

EFI WT-17J

EFI WT-18J

13

15

17

20

22

25

28

31

33

TWO SECTION GAUGE INSERT

24

25

26

27

28

29

16-1/2"

18-3/4"

21-1/4"

23-1/2"

26-3/5"

28-1/4"

15"

17-1/4"

19-3/4"

22

25-1/4"

26-3/4"

EFI ST-1223J

EFI ST-1224J

EFI ST-1225J

EFI ST-1226J

EFI ST-1227J

EFI ST-1228J

40

44

50

56

63

66

EFI WT-23J

EFI WT-24J

EFI WT-25J

EFI WT-26J

EFI WT-27J

EFI WT-28J

40

44

50

56

63

66

THREE SECTION GAUGE INSERT

36

37

38

39

31-7/8"

35-1/4"

40-1/8"

42-3/8"

30-3/8"

33-3/4"

38-5/8"

40-7/8"

EFI ST-1245J

EFI ST-1246J

EFI ST-1247J

EFI ST-1248J

76

84

94

99

EFI WT-35J

EFI WT-36J

EFI WT-37J

EFI WT-38J

76

84

94

99

FOUR SECTION GAUGE INSERT

47

48

49

47"

53-1/2"

56-1/2"

45-1/2"

52

55

EFI ST-1266J

EFI ST-1267J

EFI ST-1268J

112

126

133

EFI WT-46J

EFI WT-47J

EFI WT-48J

112

126

133

TRANSPARENT FLAT GLASS GAUGE

FIVE SECTION GAUGE INSERT

57

58

59

58-3/4"

66-7/8"

70-5/8"

57-1/4"

65-3/8"

69-1/8"

EFI ST-56J

EFI ST-57J

EFI ST-58J

140

158

166

EFI WT-56J

EFI WT-57J

EFI WT-58J

140

158

166

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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