Identification of PSL Couplings
To identify if a coupling was made by PSL Fire & Safety please use the attached document below.
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Identification of BSP Threads
In the attachment below you will see how to identify the size of a BSP thread.
Abbreviations
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 ...