Valve is more of a generic term in the fire protection industry.  They come in a wide variety of options (angle hose valves, gate valves, pressure reducing valves, butterfly valves, etc).  Please click the links below for a more in depth description of each valve and how they pertain to the fire protection or industrial service industry.

  • NST or NH = Fire Hose Thread
  • NPT = Tapered Pipe Thread
  • NPSH = Straight Pipe Thread