The Column is a crystal-clear oil level sight glass that allows you to visually inspect the condition and level of oil in pumps, gearboxes, storage tanks and reservoirs. It features a one-piece design with 1-inch NPT threads at each end and includes a 3-micron breather. The Column can also be plumbed to vent back into the equipment’s head space. Two tamper-proof level rings mark the idle and running oil level. Each ring is made of durable polycarbonate and secured in place with a hex screw.
Download The Column Spec Sheet
Specifications |
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Operating Conditions: 180° F at 265 PSI 203° F at 66 PSI 230° F at atmospheric pressure -40° F minimum low temperature |
Body Material: Impact resistant acrylic |
Strong: Large diameter and thickness for added strength |
Threads: 1” NPT males threads at each end |
Breather: Stainless steel sintered metal 3-micron breather Included |
Level Rings: Red and green level rings to mark running and idle oil levels included. Each level ring is tamper proof and comes with hex key for repositioning. Level rings are made of polycarbonate. |
Outdoor Compatible: UV Stabilizer provide protection from long-term sun exposure |

Description | Part Number | A | B | C | D |
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3-inch | COLUMN.03 | 1.33 | 3.0 | 0.56 | .25 |
6-inch | COLUMN.06 | 1.33 | 6.0 | 0.56 | .25 |
9-inch | COLUMN.09 | 1.33 | 9.0 | 0.56 | .25 |
12-inch | COLUMN.12 | 1.33 | 12.0 | 0.56 | .25 |
15-inch | COLUMN.15 | 1.33 | 15.0 | 0.56 | .25 |
18-inch | COLUMN.18 | 1.33 | 18.0 | 0.56 | .25 |