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Diaphragm valves (or membrane valves) consists of a valve body with two or more ports, a flexible diaphragm, and a "weir or saddle" or seat upon which the diaphragm closes the valve. The valve body may be constructed from plastic , metal or other materials depending on the intended use.
Bibcock: provides a connection to a flexible hosepipe; Blast valve: prevents rapid overpressuring in a fallout shelter or a bunker; Boston valve: three-part two-port check valve used on inflatable boats, air mattresses, airbeds etc.; available in two sizes, normal and small; Ceramic valve, used mainly in high duty cycle applications or on ...
John Crane is an American company, now a subsidiary of Smiths Group and provider of engineered products and services including mechanical seals, couplings, seal support systems, filtration systems and digital diagnostics technologies. The company services customers in the energy services sector including production, transmission and storage ...
Some of Garlock's sealing products include KLOZURE oil seals, bearing isolators and mechanical seals; GYLON gasketing, CEFIL'AIR pneumatic seals and HELICOFLEX metal seals; sheet rubber products, valve and pump packing, hydraulic seals, molded rubber products, expansion joints, butterfly valves, LubriKup oil seals, pump diaphragms and THERMa-PUR high temperature material.
The first product was an expansion valve for refrigeration units, it was developed after studying imported valves from the US. [1] In 1941, activities expanded to products for heating. [1] The thermostatic radiator valve was invented by Mads Clausen in 1943, later patented, and in 1952 promoted as an energy saving device. [2]
Leslie was purchased in 1989 by Watts Industries, Inc. of Andover, Massachusetts, which made water valves and was trying to increase its share of the valve industry. Leslie's 1988 sales were $33 million, Watts had sales of $181 million. [13] Leslie bought K&M Valve Company in 1995. [14]
In general, valves nearest to the boiler should vent the slowest, and valves furthest from the boiler should vent the fastest. [citation needed] Ideally, steam should reach each valve and close each and every valve at the same time, so that the system can work at maximal efficiency; this condition is known as a "balanced" system. [citation needed]
Flex Seal is an American brand of adhesive bonding products made by the family-owned company Swift Response in Weston, Florida. [1] Founded on February 28, 2011, [ 1 ] the company employs 100 people led by its pitchman and Chief Executive Officer Phil Swift. [ 1 ]
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