dry riser inlet
Same as fire department connection.
In a steam heating system, a return pipe which carries both water of condensation and air.
A porcelain enameling process in which the metal article is heated to a temperature above the maturing temperature of the
Brick formed in molds under high pressures from relatively dry clay (5 to 7% moisture content).
One that discharges a fine, dry powder (usually sodium bicarbonate, potassium bicarbonate, or ammonium phosphate) by the pressure of a
The control valve for a drypipe sprinkler system which activates the system; must be in a location where it is
1. A complete fire-protection sprinkler system with sprinkler heads in which there is no water unless the system is actuated
A concrete mixture sufficiently dry to be consolidated only by heavy ramming.