I'm designing a facility that involves an aerated static pile composting process within an enclosed building. NFPA 820 (2012) Table 6.2(a) line 24 requires a fire detection system, but I can't find a definition of a fire detection system that's distinct from a fire alarm system. NFPA 72...
I'm new to process control valves. Apart from their physical appearance, what is the difference between a ball valve and a cone valve? Reading some product brochures, it appears the mechanics of flow control are similar (a rotating unit with a straight-through opening, whose angle at any given...
