Oil Tank Sight Glasses

Oil Tank Sight Glasses

Often referred to as BS&W bowl (bottom sediment and water bowl), our Oil Sight Glass (OSG) can play a critical role in early detection of contamination and allow for constant monitoring of what’s in your oil that can decrease equipment life. Users have an immediate, crystal-clear visual inspection of the oil and a magnified view of the presence of sediment, thanks to an innovative white bottom design. The OSG has the versatility to be installed vertically or horizontally to a drain port depending on space needs for the application. With the addition of indication marks on the side of the bottle, you can quickly and easily monitor the rate of water accumulation. According to the latest API 610 standard (12th edition, January 2021) the use of a BS&W bowl is now recommended for wet sump oil lubricated pumps to detect the presence of water and other gross contamination.

Specifications

Download Technical Specs

Sizes

Part Number	Description	Overall Length	Outside Diameter
DC-OSG1X250	1 oz X 1/4″	3.0 in / 7.62 cm	1.72 in / 4.37 cm
DC-OSG1X375	1 oz X 3/8″	3.0 in / 7.62 cm	1.72 in / 4.37 cm
DC-OSG1X500	1 oz X 1/2″	3.0 in / 7.62 cm	1.72 in / 4.37 cm
DC-OSG3X250	3 oz X 1/4″	3.15 in / 6.35 cm	2.50 in / 6.35 cm
DC-OSG3X375	3 oz X 3/8″	3.15 in / 6.35 cm	2.50 in / 6.35 cm
DC-OSG3X500	3 oz X 1/2″	3.15 in / 6.35 cm	2.50 in / 6.35 cm

High Volume Vertical Acrylic Sizes

Part Number	Description	Overall Length	Outside Diameter
DC-OSG16X500	16 oz X 1/2″	5 in / 12.70 cm	3.5 in / 8.89 cm
DC-OSG32X500	32 oz X 1/2″	5 in / 12.70 cm	4.5 in / 11.43 cm

Vertical and horizontal acrylic available in 1 oz and 3 oz sizes while supplies last.

Features

By the Numbers

1. Oil Visibility
The view is crystal clear and now you can inspect your oil from the top of the sight glass.

2. Extremely Durable
The inherently strong polyamide material will withstand the toughest environments.

3. Chemical Compatibility
Polyamide is compatible with all gear and mineral oils, most synthetic oils, and diesel fuel.

4. UV Resistant
Excellent weathering allowing it to withstand exposure to sun, rain, and other extreme conditions.

5. Indication Marks
Visually inspect and monitor the rate of accumulation of water in the oil sight glass.

6. Sediment Drainage
A sloped floor for better evacuation and resetting of the oil sight glass.

7. White Bottom
Provides a highly visible canvas and virtually magnifies the presence of sediment.

Specs

Material

Transparent polyamide
Brass Hex nipple
Brass drain valve

Recommended Temperature Range

-40˚F to 200˚F
-40˚C to 93˚C

Maximum Operating Pressure

65 psi
4.48 bar

Chemical Compatibility
All gear and mineral oils and most synthetic oils

Available Options

1/4″, 3/8″, and 1/2″ Hex nipples
1oz and 3oz
16oz and 32oz sizes
Available in acrylic
Stainless steel fittings
Magnetic drain valve for collecting ferrous material

Applications

Pumps
Gearboxes
Storage Tanks
Fluid-Lubricated Machinery

Benefits

Allows for the observation of free water within the wet sump
Spring loaded petcock allows free water to be drained off during normal operators rounds
A darkening of the oil can be indicative of degradation of the fluid and can be used in conjunction the ASTM D1500 color comparator chart
The presence of a hazy or cloudy oil/water emulsion can indicate a more serious issue such as severe fluid degradation of chemical contamination
The observation of “shiny” particles in the bottom of the BS&W bowl can indicate active bearing wear

Did You Know...

Particle contamination is responsible for as much as 80% of machine wear?

Less than 0.5% of a plant’s maintenance budget is spent purchasing lubricants, but the downstream effects of poor lubrication can impact as much as 30% of a plant’s total maintenance cost each year.