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LOW PRESSURE
CONSTRUCTION: BRASS, CARBON STEEL, STAINLESS STEEL
FKM (VITON) SEAL GASKETS AS STANDARD
Brass Retaining Ring furnished

LOW PRESSURE SIGHT WINDOW.jpg
LOW PRESSURE SIGHT WINDOW 2.jpg

MODEL EFI 540S
(With Reflector)

MODEL EFI 540

LOW PRESSURE
CONSTRUCTION: STEEL
Pressure Rating: 125 PSI @ 250ËšF

low pressure steel sight window 2.jpg
low pressure steel sight window.jpg

MODEL EFI 1260BR
(With Ball and Reflector)

MODEL EFI 1260

Low pressure sight windows.PNG

NOTES: 2” size not available in Carbon Steel or Stainless Steel.Spanner wrench available...consult Ernst Flow Industries.

An aluminum ball is placed between the glass sight and the stainless steel reflector, which provides maximum visible observation of the liquid level.

Low pressure sight windows steel.PNG

NOTE: Clear glass is fused to steel.
*Not available in MODEL EFI 1260BR

MEDIUM PRESSURE
CONSTRUCTION: CARBON STEEL, STAINLESS STEEL
NEOPRENE SEAL GASKET AS STANDARD

HIGH PRESSURE EFI SAFEPORT™ FUSED GLASS WINDOW
CONSTRUCTION: CARBON STEEL, STAINLESS
STEEL, AND HC (UNS N10276/N06022/J30002)

medium pressure sight window.jpg

Pressure Rating: (1” through 2” NPT) 150 PSI
(3” NPT) 175 PSI
250 PSI with tempered glass

MODEL EFI S5400

Brass Retaining Ring furnished.
Stainless Steel Ring available.

high pressure safeport.jpg

Pressures up to 2000 PSIG.
• One piece construction
• No gaskets or seals
• Available with material test reports

More Impact, Pressure, Stress and Shock Resistant
Excellent Temperature and Corrosion Resistance

MODEL EFI-HPSP

medium pressure sight windows.PNG
high pressure sight windows.PNG

NOTE: Quartz available for high temperature applications...
consult with Ernst Flow Industries.

WELDING PAD SIGHT WINDOW FOR NONCODE APPLICATIONS
CONSTRUCTION: CARBON STEEL, STAINLESS STEEL
Pressure Rating: 150 PSI

These models have been welded directly to tank side or cover of tank.
• CRN – All Provinces

welding pad sight window.jpg
welding pad sight window 2.jpg

MODEL EFI LSH

Optional Polycarbonate Shield
Available in sizes 4 through 8 only
Shield assembly consists of
• 1/4” thick Polycarbonate
disc that covers the diameter
of EFI 5200 housing
• Special bolting

MODEL EFI 5200

welding pad sight windows.PNG

NOTE: Pressure Vessel Quality (5200-PVQ)
ASME Code units available upon request...
consult with Ernst Flow Industries.

WELDING NECK
CONSTRUCTION: CARBON STEEL, STAINLESS STEEL
Pressure Rating: 150 PSI

welding neck sight window.jpg

These models have been designed for attachments to tanks, vessels, or large pipe lines and utilize standard welding neck flanges.
• CRN – All Provinces

MODEL EFI W-5000

welding neck sight windows.PNG

SECURITY SIGHT WINDOW

security sight window.jpg

• Dual Windows
• Protection against stress concentration, thermal shock, corrosion, erosion, overpressure
• Bolt-on to ASME class 150 flanges (other pressure classes available)
• Pressure Range: Full Vacuum (FV) to 150 psig
• Steel and 316 SS
• Other materials available
• CRN – All Provinces

MODEL EFI 5005-DW

security sight windows.PNG

THREADED CONNECTION
CONSTRUCTION: BRONZE, IRON, CARBON STEEL, STAINLESS STEEL
Pressure Rating: 150 PSI

These models have been designed for threading onto male thread ends of pipe fittings.
• CRN – All Provinces

threaded connection sight window.jpg

MODEL EFI S5100

threaded connection sight windows.PNG

EFI SAFEPORT™ BOLT-ON SIGHT WINDOW

• Simple, two-piece, ASME rated units, SafePort™ window plus
retaining flange
• Strongest, safest, most impact resistant
• Bolt-on to ASME Class 150 flanges (other pressure classes available)
• Pressure Range: FV to 285 psig
• Temperature: up to 600°F
• Available in Steel, Duplex, and Alloy C
• CRN – All Provinces

safeport.PNG

HIGH PRESSURE VARI WINDOW
CONSTRUCTION: CARBON STEEL, STAINLESS STEEL

Pressure Rating: 1500 PSI at 200°F w/ Standard Buna-N Seal
1500 PSI at 300°F w/ Optional FKM Seal

• NPT Connection 1-1/2” or 2”
• Viewing Diameter 1-1/2”
• Glass: Molded Tempered Borosilicate
• O-Ring Pressure Seal Buna-N
• Cushion Gasket Fiber

high pressure vari window.jpg
frost extension vari window.jpg

FROST FREE EXTENSION
IS AVAILABLE

EFI GLO-BRITE™ LEVEL INDICATOR
CONSTRUCTION: HIGH IMPACT POLYCARBONATE
FOR TANKS, VESSELS, ETC.

Pressure Rating: 50 PSI at 150°F
• Size: 3/8” NPT (Where fittings are larger than 3/8” adapter bushings can be used.
• No moving parts. Non-electric.
• For Water, Petroleum, Oils or Similar Mild Solutions Without Additives.
• For side-mounting.

MODEL EFI 738

efi glo brite.jpg

MODEL EFI HP-WINDOW

diagram glo brite.jpg

When liquid level is down, the
lens glows as a bright signal.

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