The ABCs of Filtration

Here’s a quick guide to some of the abbreviations commonly used in the filter industry:

• CTC-Cap to Cap. Measurement of a filter element’s length.
• DOE-Double Open End. Used to describe style of filter element.
• EDM-Electrical Discharge Machines.
• GPM-Gallons Per Minute
• ID-Inner Diameter.
• OAL-Overall Length. Measurement of filter element length plus gasket (if any).
• OD-Outer Diameter.
• OEM-Original Equipment Manufacturer
• PSA-Pressure Sensitive Adhesive. Often used for gaskets.
• PSI-Pounds per Square Inch.
• PSID-Pounds per Square Inch Differential.
• RV-Relief Valve. Mechanism that assures system fluid flow when a pre-selected differential pressure across the filter element is exceeded.
• SOE-Single Open End. Used to describe style of filter element.
• SOL-Need Sample!