Valve Abbreviations
US valve abbreviations commonly used in drawings and documentation.
Some common abbreviations used with valves in U.S. drawings and documentation:
| Abbreviation | Type of Valve |
|---|---|
| BB | Bolted Bonnet |
| BC | Bolted Cap |
| BV | Ball Valve |
| BWE | Butt Weld End |
| CV | Check Valve |
| CWP | Cold Working Pressure |
| DD | Double Disc |
| DI | Ductile Iron |
| DWV | Drainage, Waste, Vent Fitting |
| FE | Flange End |
| FF | Flat Face |
| FLG | Flange |
| FP | Full Port |
| FTTG | Fitting |
| FW | Flexible Wedge |
| HF | Hard Faced |
| HW | Handwheel |
| IBBM | Iron Body Bronze Mounted |
| IPS | Iron Pipe Size |
| ISRS | Inside Screw RS |
| GV | Gate Valve |
| MJ | Mechanical Joint |
| NPS | Nominal Pipe Size |
| NPT | National Pipe Taper Thread |
| NRS | Non-Rising Stem |
| OWG | Oil, Water, Gas Pressure |
| PRV | Pressure Reducing Valve |
| RF | Raised Face |
| RJ | Ring Type Joint |
| RP | Reduced Port |
| RS | Rising Stem |
| RWD | Resilient Wedge Disc |
| SB | Silver Brazed |
| SE | Solder End |
| SOV | Shut Off Valve |
| SW | Solid Wedge Disc |
| SWE | Socket Weld End |
| TB | Threaded Bonnet |
| TE | Threaded End |
| TC | Threaded Cap |
| SWP | Steam Working Pressure |
| UB | Union Bonnet |
| UC | Union Cap |
| WOG | Water, Oil, Gas Pressure |
| WWP | Water Working Pressure |
