Not sure what some of the abbreviations mean? Here is some commonly used ones in the industry:
- BI = British Instantaneous
- FBI = Female British Instantaneous
- FBSP = Female British Standard Pipe
- FBSPT = Female British Standard Pipe Tapered
- FI = Female Instantaneous
- FNH = Female American Standard Fire Hose Coupling Thread
- FNPT = National Pipe Tapered Female
- FRT = Female Round Thread
- GM = Gun Metal
- LA = Light Aluminium Alloy
- MBI = Male British Instantaneous
- MBSP = Male British Standard Pipe
- MBSPT = Male British Standard Pipe Tapered
- MI = Male Instantaneous
- MNPT = National Pipe Tapered Male
- MRT = Male Round Thread
- NHT = National Standards Thread
- NPSH = American Standard Straight Pipe for Hose Couplings
- NRV = Non Return Valve
- P/R = Pressure Release
- RT = Round Thread
- SS = Stainless Steel