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Section 12 - Fluid Level Indicators and Components
  In This Section:
  Sight Glasses
  Fluid Level Indicators
  Threaded Plugs
  Pipe Plugs
  Drain Plugs
  Filler Breathers

Fluid Level Sight Glasses, Fluid Level Indicators, Sight Glasses and Fill / Drain Plugs

Sight glasses and fluid level indicators are used to provide a means to view the level of fluid in a container or tank. Offered in a variety of combinations of metal, plastic and glass, to accommodate different types of fluids and tank pressure. This section also includes threaded plugs, pipe plugs, drain plugs and filler breathers. These components are designed to be used to seal a variety of openings and are offered in both metal and plastic. Types include magnetic (to filter out metal filings), versions with fill or drain labels, dipsticks, splash guards, and strainers.

Special modifications available:
   - threads
   - markings
   - colors
   - kitting, packaging and labeling
Fluid level sight glasses, fluid level indicators, sight glasses and fill / drain plugs are also referred to as:
liquid level indicators, oil gauges, oil windows, explosion proof oil windows, gear boxes, threaded plugs, oil dip sticks and dip sticks
Fluid Level Components Info Sheet

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Sight Glasses and Fluid Level Indicators

  GN 743 - Aluminum Fluid Level Sight Glasses with Natural Glass GN 743
Aluminum Fluid Level Sight Glasses with Natural Glass
GN 743.1 - Aluminum Fluid Level Sight Glasses with ESG Glass GN 743.1
Aluminum Fluid Level Sight Glasses with ESG Glass
GN 743.2 - Brass Fluid Level Sight Glasses with Natural Glass GN 743.2
Brass Fluid Level Sight Glasses with Natural Glass
GN 743.3 - Brass Fluid Level Sight Glasses with ESG Glass GN 743.3
Brass Fluid Level Sight Glasses with ESG Glass
GN 743.5 - Stainless Steel Fluid Level Sight Glasses with ESG Glass GN 743.5
Stainless Steel Fluid Level Sight Glasses with ESG Glass
  GN 743.6 - ATEX Explosion Protective Stainless Steel Fluid Level Sight Glasses with ESG Glass

GN 743.6
ATEX Explosion Protective Stainless Steel Fluid Level Sight Glasses with ESG Glass

GN 743.7 - Brass Fluid Level Sight Glasses with Natural Glass GN 743.7
Brass Fluid Level Sight Glasses with Natural Glass
GN 743.8 - Brass Fluid Level Sight Glasses with ESG Glass GN 743.8
Brass Fluid Level Sight Glasses with ESG Glass
GN 744 - Aluminum Fluid Level Sight Glasses with Prismatic Reflector GN 744
Aluminum Fluid Level Sight Glasses with Prismatic Reflector
GN 537 - Press-Fit Aluminum Fluid Level Sight Glasses GN 537
Press-Fit Aluminum Fluid Level Sight Glasses
  TLT - Plastic Fluid Level Sight Glasses TLT
Plastic Fluid Level Sight Glasses
EN 541 - Plastic Fluid Level Sight Glasses EN 541
Plastic Fluid Level Sight Glasses
EN 543.2 - Plastic Fluid Level Sight Glasses EN 543.2
Plastic Fluid Level Sight Glasses
EN 543.3 - Plastic Fluid Level Sight Glasses with Prismatic Reflector and NBR Seal EN 543.3
Plastic Fluid Level Sight Glasses with Prismatic Reflector and NBR Seal
EN 543.4 - Plastic Fluid Level Sight Glasses with Prismatic Reflector and Viton Seal EN 543.4
Plastic Fluid Level Sight Glasses with Prismatic Reflector and Viton Seal
  GN 543.1 - Brass Thin Hex Nuts for Fluid Level Sight Glasses GN 543.1
Brass Thin Hex Nuts for Fluid Level Sight Glasses
EN 546 - Dome Shaped Plastic Fluid Level Sight Glasses EN 546
Dome Shaped Plastic Fluid Level Sight Glasses
EN 547 - Dome Shaped Plastic Fluid Level Sight Glasses EN 547
Dome Shaped Plastic Fluid Level Sight Glasses
GN 7490 - Weld Bushings with or without Collar GN 7490
Weld Bushings with or without Collar
EN 650 / EN 650.3 - Plastic Column Fluid Level Indicators EN 650 /
EN 650.3
Plastic Column Fluid Level Indicators
  EN 650.4 - Narrow Shape Plastic Fluid Level Indicators EN 650.4
Narrow Shape Plastic Fluid Level Indicators
EN 650.2 - Fluid Level Indicators with Protective Housing EN 650.2
Fluid Level Indicators with Protective Housing
EN 650.5 - Narrow Shape Plastic Fluid Level Indicators EN 650.5
NEW

Plastic Fluid Level Indicators with Electrical Oil Level and Temperature Monitoring
EN 650.8 - Plastic Fluid Level Indicators with Temperature Sensor EN 650.8
NEW

Plastic Fluid Level Indicators with Temperature Sensor
EN 654 - Plastic Fluid Level Indicators EN 654
NEW

Plastic Fluid Level Indicators
 
  EN 654.1 - Plastic Fluid Level Indicators with High Chemical Resistance EN 654.1
NEW

Plastic Fluid Level Indicators with High Chemical Resistance
EN 848 - Float Switches for Liquid Level Monitoring EN 848
NEW

Float Switches for Liquid Level Monitoring
             
 

Threaded Plugs, Pipe Plugs, Drain Plugs and Filler Breathers

  GN 441 - Aluminum Threaded Plugs with Finger Grip GN 441
Aluminum Threaded Plugs with Finger Grip with NBR Seal
GN 442 - Aluminum Threaded Plugs with Finger Grip GN 442
Aluminum Threaded Plugs with Finger Grip with Viton Seal
GN 738 - Aluminum Magnetic Threaded Plugs with NBR Seal GN 738
Aluminum Magnetic Threaded Plugs with NBR Seal
GN 738.1 - Aluminum Magnetic Threaded Plugs with Viton Seal GN 738.1
Aluminum Magnetic Threaded Plugs with Viton Seal
GN 252 - Steel Threaded Plugs GN 252
Steel Threaded Plugs
  DIN 906 - Threaded Plugs with Tapered Thread DIN 906/
DIN 906-NI

Threaded Plugs with Tapered Thread
DIN 908 - Threaded Plugs with or without Sealing Washers DIN 908
NEW

Threaded Plugs with or without Sealing Washers
GN 749 - Steel Hexagon Socket Threaded Pipe Plugs GN 749
Steel Hexagon Socket Threaded Pipe Plugs
EN 746 - Plastic Hexagon Socket Threaded Pipe Plugs EN 746
Plastic Hexagon Socket Threaded Pipe Plugs
GN 741 - Aluminum Fill / Drain Plugs with NBR Seal GN 741
Aluminum Fill / Drain Plugs with NBR Seal
  GN 742 - Aluminum Fill / Drain Plugs with Viton Seal GN 742
Aluminum Fill / Drain Plugs with Viton Seal
TO - Nylon Plastic Oil Drain/Filling Plugs TO
Nylon Plastic Oil Drain/Filling Plugs
EN 747 - Plastic Oil Fill Plugs EN 747
Plastic Oil Fill Plugs
EN 740 - Plastic Oil Drain Plugs EN 740 
Plastic Oil Drain Plugs
GN 880 - Steel or Brass Oil Drain Valves GN 880 
NEW

Steel or Brass Oil Drain Valves
  GN 880.1 - Connector Pieces for GN 880 Oil Drain Valves GN 880.1 
NEW

Connector Pieces for GN 880 Oil Drain Valves
GN 881 - Brass Breather Valves GN 881 
NEW

Brass Breather Valves
GN 882 - Brass Breather Filters GN 882 
NEW

Brass Breather Filters
GN 883 - Brass Breather Valves GN 883 
NEW

Brass Breather Valves
TAO/TCA - Nylon Plastic Oil Plugs with Dipstick TAO / TCA
Nylon Plastic Oil Plugs with Dipstick
  TA1-2 - Plastic Filler Breathers TA1-2
Plastic Filler Breathers
 
TA3-7 - Plastic Filler Breathers TA3-7
Plastic Filler Breathers
 
GN 548.1 - Technopolymer Plastic Oil Plugs EN 548.1
Technopolymer Plastic Oil Plugs
EN 552 - Plastic Filler Breathers with or without Splash Guard EN 552
Plastic Filler Breathers with or without Splash Guard
 
EN 552.1 - Plastic Filler Breathers EN 552.1
Plastic Filler Breathers
 
  EN 663 - Plastic Filler Breathers with or without Splash Guard EN 663
Plastic Filler Breathers with or without Splash Guard
 
EN 774 - Plastic Filler Breathers EN 774
Plastic Filler Breathers
 
EN 774.1 - Plastic Filler Breathers EN 774.1
Plastic Filler Breathers
 
EN 664 - Filler Strainer Units EN 664
Filler Strainer Units, Vertical Installation
 
EN 664.1 - Filler Strainer Units EN 664.1
Filler Strainer Units, Side Installation
 

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