XTRACT™ OIL SIGHT GLASSES

Water Removal Made Easy
XTRACT™ OIL SIGHT GLASSES Lubrication Technologies is an authorized distributor of high-quality, affordable XtractTM sight glasses. These easy-to-install sight glasses take the guesswork out of fluid lubrication management, enabling continuous visual monitoring of the clarity, color, sediment and water contamination levels of lubricants. Several models allow easy removal of water using an integrated drain port. The variety of sight glass solutions available will help advance your lubrication reliability program to the next level.


Xtract™ Oil Sight Glass
Xtract™ Oil Sight Glass

Xtract™ Oil Sight Glass Info

Xtract™ Oil Sight Glass

The original Oil Sight Glass is suitable for most applications. This site glass enables an immediate visual inspection of the oil and, more importantly, allows for the draining of any accumulated water, using the spring-loaded drain valve. It can be installed directly to a drain port located at the bottom of a reservoir or with an elbow for drain ports located at the side of the equipment. The XtractTM OSG is constructed of brass hardware and strong impact- and stain-resistant acrylic, capable of withstanding the pressure and temperature of most operating environments.

Item # Type Materials Oz NPT Size Dimensions Monitoring Area
LEXOS250-1 Standard Acrylic/Brass 1 1/4" 1.75" OD, 4" L 2.5" L
LEXOS375-1 Standard Acrylic/Brass 1 3/8" 1.75" OD, 4" L 2.5" L
LEXOS500-1 Standard Acrylic/Brass 1 1/2" 1.75" OD, 4" L 2.5" L
LEXOS250-3 Standard Acrylic/Brass 3 1/4" 2.50" OD, 4" L 2.5" L
LEXOS375-3 Standard Acrylic/Brass 3 3/8" 2.50" OD, 4" L 2.5" L
LEXOS500-3 Standard Acrylic/Brass 3 1/2" 2.50" OD, 4" L 2.5" L
LEXOS250-1SS Standard Acrylic/Stainless Steel 1 1/4" 1.75" OD, 4" L 2.5" L
LEXOS250-3SS Standard Acrylic/Stainless Steel 3 1/4" 2.50" OD, 4" L 2.5" L

Xtract™ Horizontal Oil Sight Glass
Xtract™ Horizontal Oil Sight Glass

Xtract™ Horizontal Oil Sight Glass Info

Xtract™ Horizontal Oil Sight Glass

The XtractTMHorizontal Oil Sight Glass is designed specifically for equipment that is located too close to the ground to allow installation of standard oil sight glasses. This horizontal mounting option solves the problem of limited or tight access that doesn’t provide the minimal clearance needed for typical gearboxes. The horizontal style has the same robust construction and functionality of the standard OSG, just in a horizontal presentation.

Item # Type Materials Oz NPT Size Dimensions Monitoring Area
LEXOH250-1 Horizontal Acrylic/Brass 1 1/4" 1.75" OD, 4" L 2.5" L
LEXOH375-1 Horizontal Acrylic/Brass 1 3/8" 1.75" OD, 4" L 2.5" L
LEXOH500-1 Horizontal Acrylic/Brass 1 1/2" 1.75" OD, 4" L 2.5" L
LEXOH250-3 Horizontal Acrylic/Brass 3 1/4" 2.50" OD, 4" L 2.5" L
LEXOH375-3 Horizontal Acrylic/Brass 3 3/8" 2.50" OD, 4" L 2.5" L
LEXOH500-3 Horizontal Acrylic/Brass 3 1/2" 2.50" OD, 4" L 2.5" L
LEXOH375-1SS Horizontal Acrylic/Stainless Steel 1 3/8" 1.75" OD, 4" L 2.5" L

Xtract™ High Temperature Oil Sight Glass
Xtract™ High Temperature Oil Sight Glass

Xtract™ High Temperature Oil Sight Glass Info

Xtract™ High Temperature Oil Sight Glass

Heavy-walled Pyrex glass and Teflon end caps make the XtractTM High-Temperature Oil Sight Glass suitable for use when the radiant heat from nearby equipment exceeds the temperatures that allow safe use of other XtractTM oil sight glass products. These are only available in a vertical style and can withstand temperatures up to 450 degrees Fahrenheit (232 degrees Celcius).

Item # Type Materials Oz NPT Size Dimensions Monitoring Area
LEXOHT250-1 High-Temp Acrylic/Brass 1 1/4" 2.75" OD, 2.5" L 2.5" L
LEXOHT375-1 High-Temp Acrylic/Brass 1 3/8" 2.75" OD, 2.5" L 2.5" L
LEXOHT500-1 High-Temp Acrylic/Brass 1 1/2" 2.75" OD, 2.5" L 2.5" L
LEXOHT250-3 High-Temp Acrylic/Brass 3 1/4" 3.50" OD, 2.5" L 2.5" L
LEXOHT375-3 High-Temp Acrylic/Brass 3 3/8" 3.50" OD, 2.5" L 2.5" L
LEXOHT500-3 High-Temp Acrylic/Brass 3 1/2" 3.50" OD, 2.5" L 2.5" L

Xtract™ Large Volume Oil Sight Glass
Xtract™ Large Volume Oil Sight Glass

Xtract™ High Temperature Oil Sight Glass Info

Xtract™ Large Volume Oil Sight Glass

Perfect when high water volume accumulation is a problem, the XtractTM Large-Volume Oil Sight Glass provides the extra storage necessary to hold a large amount of water until it can be drained between maintenance checks. It is used on equipment that requires regular high-pressure washdowns or has high condensation problems, where water contamination cannot be avoided or minimized.

Item # Type Materials Oz NPT Size Dimensions Monitoring Area
LEXOS500-16 Large Volume Acrylic/Brass 16 1/2" 3.50" OD, 5" L 4.25" L
LEXOS500-16SS Large Volume Acrylic/Stainless Steel 16 1/2" 3.50" OD, 5" L 4.25" L

Xtract™ Oil Sight Glass Level Monitor
Xtract™ Oil Sight Glass Level Monitor

Xtract™ Oil Sight Glass Level Monitor Info

Xtract™ Large Volume Oil Sight Glass

The columnar style XtractTM Oil Sight Glass & Level Monitor is the all-in-one solution, allowing operators to manage oil levels, visually inspect lubricant condition, and easily drain off any water. Red and green decals are included with the OSGL to mark upper and lower limits, or to designate running oil level and idle oil level. This clear acrylic vertical oil sight glass provides a highly visible 360-degree view of the oil and comes with an integrated Xclude ND-2 Breather, making it a substantial upgrade from an old vented brass-and-glass sight gauge.

The dual port model has a second 3/8” NPT thread at 180 to allow the installation of a drain valve or access to the oil reservoir utilizing a pilot tube and a pilot sample adaptor.

Item # Type Materials NPT Size Dimensions Monitoring Area
LEXOM375-3 Single Port Acrylic/Brass 3/8" 1.75" OD, 6.75" L 3" L
LEXOM375-6 Single Port Acrylic/Brass 3/8" 1.75" OD, 9.75" L 6" L
LEXOM375-9 Single Port Acrylic/Brass 1/2" 1.75" OD, 12.75" L 9" L
LEXOM375-12 Single Port Acrylic/Brass 1/2" 1.75" OD, 15.75" L 12" L
LEXOM375-15 Single Port Acrylic/Brass 1/2" 1.75" OD, 18.75" L 15" L
LEXOM375-18 Single Port Acrylic/Brass 1/2" 1.75" OD, 21.75" L 18" L
LEXOM375-24 Single Port Acrylic/Brass 1/2" 1.75" OD, 27.75" L 24" L
LEXOM375-3SS Single Port Acrylic/Stainless Steel 3/8" 1.75" OD, 6.75" L 3" L
LEXOM375-6SS Single Port Acrylic/Stainless Steel 3/8" 1.75" OD, 9.75" L 6" L
LEXOM375-9SS Single Port Acrylic/Stainless Steel 1/2" 1.75" OD, 12.75" L 9" L
LEXOM375-12SS Single Port Acrylic/Stainless Steel 1/2" 1.75" OD, 15.75" L 12" L
LEXOM375-15SS Single Port Acrylic/Stainless Steel 1/2" 1.75" OD, 18.75" L 15" L
LEXOM375-18SS Single Port Acrylic/Stainless Steel 1/2" 1.75" OD, 21.75" L 18" L
LEXOM375-24SS Single Port Acrylic/Stainless Steel 1/2" 1.75" OD, 27.75" L 24" L
LEXOD375-3 Dual Port Acrylic/Brass 3/8" 1.75" OD, 6.75" L 3" L
LEXOD375-6 Dual Port Acrylic/Brass 3/8" 1.75" OD, 9.75" L 6" L
LEXOD375-9 Dual Port Acrylic/Brass 1/2" 1.75" OD, 12.75" L 9" L
LEXOD375-12 Dual Port Acrylic/Brass 1/2" 1.75" OD, 15.75" L 12" L
LEXOD375-15 Dual Port Acrylic/Brass 1/2" 1.75" OD, 18.75" L 15" L
LEXOD375-18 Dual Port Acrylic/Brass 1/2" 1.75" OD, 21.75" L 18" L
LEXOD375-24 Dual Port Acrylic/Brass 1/2" 1.75" OD, 27.75" L 24" L
LEXOD375-3SS Dual Port Acrylic/Stainless Steel 3/8" 1.75" OD, 6.75" L 3" L
LEXOD375-6SS Dual Port Acrylic/Stainless Steel 3/8" 1.75" OD, 9.75" L 6" L
LEXOD375-9SS Dual Port Acrylic/Stainless Steel 1/2" 1.75" OD, 12.75" L 9" L
LEXOD375-12SS Dual Port Acrylic/Stainless Steel 1/2" 1.75" OD, 15.75" L 12" L
LEXOD375-15SS Dual Port Acrylic/Stainless Steel 1/2" 1.75" OD, 18.75" L 15" L
LEXOD375-18SS Dual Port Acrylic/Stainless Steel 1/2" 1.75" OD, 21.75" L 18" L
LEXOD375-24SS Dual Port Acrylic/Stainless Steel 1/2" 1.75" OD, 27.75" L 24" L

Xtract™ 3-D BullsEye Sight Glass
Xtract™  3-D BullsEye Sight Glass

Xtract™ 3-D BullsEye Sight Glass Info
Xtract™ 3-D BullsEye Sight Glass Info

Xtract™ 3-D BullsEye Sight Glass

Used in conjunction with a standard oil sight glass or alone on equipment where there is no water problem, the 3-D BullsEye sight window is another XtractTM tool that provides easy visual monitoring of the oil level from any angle.

Unless you are standing directly in front of them, old-fashioned sight plugs on oil reservoirs make it difficult to view the oil level. The glass stains easily and is partially obscured by the hardware around it. The XtractTM solution is the 3-D BullsEye sight window. This one-piece clear polished acrylic cylinder – made of the same nonstaining acrylic as other XtractTM sight glasses – is threaded on one end for easy installation.

Item # Type Materials NPT Size Dimensions Length from Threads
LEXBE250 US Standard Transparent Polymide 1/4" 1" OD 1.375"
LEXBE375 US Standard Transparent Polymide 3/8" 1.125" OD 1.375"
LEXBE500 US Standard Transparent Polymide 1/2" 0.875" OD 1"
LEXBE750 US Standard Transparent Polymide 3/4" 1.125" OD 1.375"
LEXBE1000 US Standard Transparent Polymide 1" 1.375" OD 1.375"
LEXBE1250 US Standard Transparent Polymide 1 1/4" 1.175" OD 1.375"
LEXBE1500 US Standard Transparent Polymide 1 1/2" 2" OD 1.375"
LEXBE2000 US Standard Transparent Polymide 2 2.5" OD 1.5"
LEXBE10X10-M Metric Transparent Polymide M10 x 1.0 0.875" OD 1"
LEXBE10X15-M US Standard Transparent Polymide M10 x 1.5 0.875" OD 1"
LEXBE12X15-M Single Port Transparent Polymide M12 x 1.5 0.875" OD 1"
LEXBE16X15-M Single Port Transparent Polymide M16 x 1.5 1" OD 1"
LEXBE20X15-M Single Port Transparent Polymide M20 x 1.5 1.25" OD 1.06"
LEXBE22X15-M Single Port Transparent Polymide M22 x 1.5 1.25" OD 1.06"
LEXBE24X15-M Dual Port Transparent Polymide M24 x 1.5 1.25" OD 1.06"
LEXBE26X15-M Dual Port Transparent Polymide M26 x 1.5 1.375" OD 1.13"
LEXBE27X15-M Dual Port Transparent Polymide M27 x 1.5 1.5" OD 1.19"
LEXBE30X20-M Dual Port Transparent Polymide M33 x 1.5 1.5" OD 1.19"
LEXBE33X15-M Dual Port Transparent Polymide M30 x 2.0 N/A N/A

Xtract™ Oil Level Indicator
Xtract™ Oil Level Indicator

Xtract™ Oil Level Indicator Info

Xtract™ Oil Level Indicator

Esco’s columnar style Oil Level Indicator is recommended for monitoring the oil level inside large tanks, gearboxes or reservoirs when water contamination is not a problem. An old-style vented oil gauge made of brass and breakable glass can be replaced with an OLI, which is constructed of strong clear acrylic and provides a 360-degree view of the lubricant. In addition, you can attach a desiccant breather to the oil level indicator, an option not possible with the old style gauge.

The Oil Level Indicator can be used alone when there is no water problem or installed on equipment that also has a standard oil sight glass. The sight glass allows the operator to visually inspect the condition of the oil and to take appropriate preventive action such as draining the water. The OLI is needed because the sight glass is situated too low to properly indicate oil level in this scenario.

Item # Materials NPT Size Bottle Size
LEXOL-3 Clear Acrylic 1/2" Male 3"
LEXOL-6 Clear Acrylic 1/2" Male 6"
LEXOL-9 Clear Acrylic 1/2" Male 9"
LEXOL-12 Clear Acrylic 1/2" Male 12"
LEXOL-15 Clear Acrylic 1/2" Male 15"
LEXOL-18 Clear Acrylic 1/2" Male 18"
LEXOL-24 Clear Acrylic 1/2" Male 24"
LEXOL-30 Clear Acrylic 1/2" Male 30"

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