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After moving to Wabash, Ford Meter Box expanded its product offerings, and in 1916, Ford Meter Box received its first patent for the water meter test bench. [2] The firm also began manufacturing meter-setting products for a variety of installation settings. In the early 1960s, Ford Meter Box introduced the ball valve for waterworks applications ...
Thomas Kennedy (senior) was a watch and clockmaker, who moved to Kilmarnock in 1824 from Argyleshire. At around that time, he patented the Kennedy Water Meter, which he designed with the help of John Cameron, another watchmaker in Kilmarnock. [2] A valve directs water entering the meter into a cylinder of known volume containing a piston.
A trunnion ball valve has additional mechanical anchoring of the ball at the top and the bottom, suitable for larger and higher pressure valves (generally above 3.9 in (10 cm) and 580 psi (40 bar)). A floating ball valve is one where the ball is not held in place by a trunnion.
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There are two check valves, often ball check valves, attached to the pump head, one at the inlet line and the other at the outlet line. The inlet valve allows flow from the inlet line to the piston chamber, but not in the reverse direction. The outlet valve allows flow from the chamber to the outlet line, but not in reverse.
Mueller Systems was founded in 1859 as Hawes and Hersey Company in Boston, Massachusetts and was a manufacturer of bolts, rotary pumps, and other machinery. [3] [4] In 1885, the company received a patent on the rotary displacement meter and began manufacturing water meters under the name Hersey Meter Company, offering its first rotary and disc meters for sale in 1886.