4901 Kesslersville Road Easton, PA 18040
A pump used to increase the output of the primary pumps in a system, or to supplement the water
The region of a fluid flowing through a pipe contacting the pipe wall. This is where friction between the
The pipes supplying sprinklers, either directly or through sprigs, drops, return bends, or arm-overs.
Joins metals by the melting of non-ferrous alloys (filler metal) that have melting points above 800°F | 425°C, but
The outdoor temperature at which total heat losses from conditioned spaces, equal internally generated heat gains.**
A heat energy measurement unit. One BTU is the heat energy required to raise the temperature of a pound
Secondary bearing for the piston rod on a valve that is pneumatic or hydraulically actuated. Also called a “drive
A weld formed by placing two pieces of material parallel to one another (“butted” together). Typically the preferred method
A valve consisting of a pair of semicircular plates that are attached to a spindle across a pipe and
