Member of Morris Group International
Abbreviations & Acronyms
Jay R. Smith Mfg. Co. uses standard plumbing abbreviations, prefixes, and suffixes across our product lines to make specification easier. This is not an exhaustive list—please contact [email protected] if you have any questions!
| Common Abbreviations | |
|---|---|
| ABS | Acrylonitrile-Butadiene Styrene |
| CI | Cast Iron |
| CO | Cleanout |
| Deg. or ƒ | Degree |
| Dia. | Diameter |
| DWV | Drain, Waste & Vent |
| FHMS | Flat Head Machine Screw |
| Fig. | Figure/Model Number |
| GPM | Gallons per Minute |
| ID | Inside Diameter |
| Lav. | Lavatory |
| LH | Left-Hand |
| NH | No Hub |
| NPS | National Pipe Straight |
| NPSH | National Pipe Straight Hose |
| NPSM | National Pipe Straight Mechanical |
| NPT | National Pipe Tapered |
| OD | Outside Diameter |
| PDI | Plumbing Drainage Institute |
| PSI | Pounds per Square Inch |
| PVC | Polyvinyl Chloride |
| Rad. | Radius |
| RH | Right-Hand |
| SW | Service Weight |
| XH | Extra Heavy |
| VB | Vacuum Breaker |