Oil Sight Glass Product Line

Save Your Equipment with Constant Oil Monitoring

The Oil Sight Glass product line consists of the original Esco Oil Sight Glass, the Oil Sight Glass & Level Monitor, the Oil Level Indicator and the 3-D BullsEye.  Our products provide lubrication management professionals a complete and immediate visual oil analysis. 

The Esco Oil Sight Glass is a clear acrylic cylinder that installs in the drain port of the oil reservoir of pumps, gear boxes, bearing housings and other lubrication-critical pieces of equipment. It provides continuous fluid monitoring of the clarity, color, sediment, and water contamination. The drain valve allows for discharge of accumulated water. These products enable personnel in many industries to constantly manage the condition of their oil. Download a catalog of the Visual Oil Analysis Products.

Products

To facilitate various equipment configurations, the Esco Oil Sight Glass product line includes several models:

The Esco Oil Sight Glass

The standard model supports equipment with access to the drain port to either screw directly into bottom of the reservoir or install an elbow in a drain port located on the side of the equipment.

Vertical Oil Sight Glasses Learn More

Horizontal Oil Sight Glasses

If there is not adequate clearance, the horizontal model provides the same functionality but has the
ports machined eccentrically to allow the fluids to separate and accumulated water to drain.

Horizontal Oil Sight Glasses Learn More

Oil Sight Glass and Level Monitor (OSGL)

The Esco Oil Sight Glass and Level Monitor provides continuous and instantaneous monitoring of the oil including the level. It comes in standard heights up to 24" and can be customized for special applications.

Oil Sight Glass and Level Monitor (OSGL) Learn More

3-D BullsEye - NEW Product!

The 3-D BullsEye replaces the sight window plug on oil reservoirs. It allows for easier viewing of oil level and clarity.

3-D BullsEye Learn More

High Temperature Oil Sight Glasses

In environments with exposure to temperatures exceeding 160°F on a regular basis, the High Temperature Esco Oil Sight Glass provides support up to 450°F.

High Temperature Oil Sight Glasses Learn More

Large Volume Oil Sight Glasses

High volume vertical models of 16 oz. and 32 oz. are used in situations where water contamination is severe or the operators want to observe larger volumes of oil.

Large Volume Oil Sight Glasses Learn More

Oil Level Indicator (OLI)

The Oil Level Indicator (OLI) is used to visually inspect oil condition and level in tanks, gearboxes and reservoirs.

Oil Level Indicator (OLI) Learn More

Oil Sight Glass Options

Boss 245 Anaerobic Hydraulic/Pneumatic Sealant Option

After extensive research and testing, Esco Products concluded that Boss 245 is the ideal thread sealant to recommend with our Visual Oil Analysis Product Line. BOSS 245 Anaerobic Hydraulic/Pneumatic Sealant is a single component anaerobic thread locking adhesive.  It is a purple liquid which cures between close fitting metal parts in the absence of air. The fast cure time, strong bond and easy application makes the BOSS 245 ideal for use with Esco’s Acrylic Visual Oil Analysis Products.

Magnet Drain Valve OptionMagnet Drain Valve Option

The strong pull from this rare earth magnet will attract and hold microscopic ferrous particles. Further analysis of these particles can help determine what component is failing for replacement. The Magnet Drain Valve is easily interchanged with the standard drain valve on any Esco Oil Sight Glass Product.

Stainless Steel Hardware OptionStainless Steel Hardware Option

All Esco Oil Sight Glass products are fitted with brass hardware which will provide excellent performance for most applications; however, 304 stainless steel hardware is available for environments that cannot accept brass.


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