The listing is to UL 1821, Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service It approves (with certain limitations) the use of flexible AquaPEX tubing and ProPEX expansion fittings ...
The AFSA has announced the addition of two new components -- Lessons Two and Three -- to its updated Applied Sprinkler Technology training program. DALLAS - The American Fire Sprinkler Association has ...
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