the highest part of the inside portion of the bottom surface at the crown of a trap. Advertisements
the pressure on a surface at which a flowing fluid is brought to rest, in excess of the pressure on it when the fluid is not flowing.
the complete assembly of subsystems or components necessary to convert solar energy into thermal energy and use this energy, in combination with auxiliary energy, where required, to provide hot water for domestic uses.
a pipe applied atmospheric vacuum breaker that allows a maximum water rise of 1⁄2 inch (12.7 mm) in its discharge piping when the inlet of the device is subjected to a vacuum of less than, or equal to, 25 inches (84.5 kPa) of mercury.
the arrangements of the joining surfaces of flanges. May be smooth face to smooth face, tongued and grooved, etc.
commercial tin casting blocks containing small quantities of various impurities (such as copper, lead, iron or arsenic) 2. solid tin, as distinguished from tin plate.
1.to combine with oxygen. 2. add oxygen chemically to a substance often by means of a series of reactions.