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STAINLESS STEEL GAUGES
316 STAINLESS STEEL OR CARBON STEEL
AUTOMATIC
For Steam Pressures up to 250 PSI @ 406°F
For Liquid Level Pressures up to 500 PSI
Stainless Steel furnished with Investment Casting Material used conforms with or exceeds requirements of AISI, ASTM and/or API-ASME for maximum recommended pressures and temperatures.
• Rubber washer for:
5/8” glass - 9/16” x 13/16” x 3/8”
3/4” glass - 23/32” x 15/16” x 3/8”
• Rods 1-1/4” shorter than centers
• Glass 2” shorter than centers
• 1/4” Drain
Model
Construction
Size of NPT Connection
Size of
Glass O.D.
EFI 70A316
EFI 71A316
EFI 71ACS
EFI 70A
Stainless Steel
Stainless Steel
Carbon Steel
Carbon Steel
1/2"
3/4"
3/4"
1/2"
5/8"
3/4"
3/4"
5/8"
Note: Specify for steam or liquid level, as automatic balls must be removed for steam.
316 STAINLESS STEEL GAUGE
AUTOMATIC
For Steam Pressures up to 250 PSI @ 406°F
For Liquid Level Pressures up to 500 PSI
Investment Casting
• Neoprene washer for:
5/8” glass - 9/16” x 7/8” x 3/8”
3/4” glass - 23/32” x 7/8” x 3/8”
• Rods 1-1/4” shorter than centers
• Glass 2” shorter than centers
• 1/4” Ball Valve Drain
Operating pressures and temperatures are subject to the limitations of the tubular gauge glass and washer composition...consult with Ernst Flow Industries for gauge glass ratings.
Model
Size of NPT Connection
Size of
Glass O.D.
EFI 23-350
EFI 23-353
1/2"
3/4"
5/8"
3/4"
316 STAINLESS STEEL OR ALLOY 20 GAUGE
AUTOMATIC
For Liquid Level Pressures up to 300 PSI
• Investment Casting
• FKM (VitonTM) washer for:
5/8” glass - 9/16” x 7/8” x 3/8”
• Rods 1-3/4” shorter than centers
• Glass 3” shorter than centers
• 1/8” Drain Plug
Furnished with a Vertical Rising Ball Check
Model
Size of NPT Connection
Size of
Glass O.D.
EFI 1511
EFI 1511
1/2"
3/4"
5/8"
5/8"
Note: Specify 316 Stainless Steel or Alloy 20 when ordering.
316 STAINLESS STEEL EXPANSION TANK GAUGE
NON-AUTOMATIC
For Liquid Level Pressures up to 250 PSI
Investment Casting
• Neoprene washer for:
5/8” glass - 9/16” x 13/16” x 3/8”
• Rods 1” shorter than centers
• Glass 2-1/2” shorter than centers
• Lower valve has a hand wheel shut-off
• 1/8” Drain Needle
Model
Size of NPT Connection
Size of
Glass O.D.
EFI 23-651
EFI 23-654
1/2"
3/4"
5/8"
5/8"
316 STAINLESS STEEL EXPANSION TANK GAUGE
NON-AUTOMATIC
For Liquid Level Pressures up to 150 PSI
Investment Casting
• Neoprene washer for:
5/8” glass - 9/16” x 7/8” x 3/8”
• Rods 1” shorter than centers
• Glass 2-1/2” shorter than centers
Model
Size of NPT Connection
Size of
Glass O.D.
EFI 00316
1/2"
3/4"
1" (Bushings Furnished
5/8"
5/8"
5/8"
VACUUM OR PRESSURE GAUGE
DOUBLE AUTOMATIC
CONSTRUCTION: Bronze, Carbon Steel, Stainless Steel
For Liquid Level Pressures up to 500 PSI
• Neoprene washer for:
3/4” glass - 23/32” x 15/16” x 3/8”
• Rods 1-1/4” shorter than centers
• Glass 2” shorter than centers
Model
Size of NPT Connection
Size of
Glass O.D.
EFI 37A/DA Bronze
EFI 71ACS/DA Carbon Steel
EFI 71A316/DA Stainless Steel
3/4"
3/4"
3/4"
3/4"
3/4"
3/4"
“1” O.D. GLASS” GAUGE
AUTOMATIC
For a Wider observation of liquid level
For Liquid Level Pressures up to 500 PSI
CONSTRUCTION: Bronze, Carbon Steel, Stainless Steel
• Neoprene washer for:
1” glass - 15/16” x 1-1/8” x 3/8”
• Rods 1-1/4” shorter than centers
• Glass 2” shorter than centers
Model
Size of NPT Connection
Size of
Glass O.D.
EFI 37A/1 Bronze
EFI 71ACS/1 Carbon Steel
EFI 71A316/1 Stainless Steel
3/4"
3/4"
3/4"
1"
1"
1"
Note: Center Supports also available for 1” O.D. gauge. Consult with Ernst Flow Industries
CENTER SUPPORT FOR GAUGE VALVES
FOR LONG, HIGH TANKS
The center support incorporates the use of two or more tubes instead of one, for use with valves installed on extra long connections. When ordering, furnish material of construction desired along with connection size and valve type.
Note: Contact Ernst Flow Industries to determine which gauges are compatible with center supports. Center Supports also available for “1” O.D. glass” gauge. Consult with Ernst Flow Industries.
Model Construction
Size of NPT Connection
Bronze, Carbon Steel, Stainless Steel, PVC
1/2" or 3/4"
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