Search results
Results from the WOW.Com Content Network
An anti-siphon valve is also required here to prevent pressure drops in the water supply line from suctioning water out of the toilet tank (which may contain additives such as "toilet blue" [53]) and contaminating the water system. Anti-siphon valves function as a one-direction check valve. Anti-siphon valves are also used medically.
Access Engineering PLC is a Sri Lankan civil engineering company engaged in the construction industry and supply of construction-related services and materials. [2] The company is one of the constituents of the S&P Sri Lanka 20 Index. [3] The company was founded in 2001, and in 2012 was listed on the Colombo Stock Exchange.
Toward the end of the discharge process, the ballcock responds to the drop in water level and refills the tank. Should the float or valve fail and allow the water level to exceed the fill line, the water will pour into the overflow tube and out to the bowl (in the flapper valve type) or to an outside drain (in the siphon type).
Airport and Aviation Services (Sri Lanka) Limited; The Associated Newspapers of Ceylon Ltd; B.C.C. Lanka Ltd; B.O.C. Bank; CTB BUS; Lynx BUS; Building Materials Corporation Ltd
The earliest examples of irrigation works in Sri Lanka date from about 430 BCE, during the reign of King Pandukabhaya, and were under continuous development for the next thousand years. In addition to constructing underground canals , the Sinhalese were the first to build completely artificial reservoirs to store water , referred to as tanks ...
Richard Piries Company is the market leader and the pioneer in the tyre Retread industry of Sri Lanka and commands a market share of nearly 60%. In addition to that, it has become the largest Retreader in the whole of South Asia which is a remarkable achievement for a Sri Lankan company.
St. Anthony's Group (St. Anthony's) is a Sri Lankan conglomerate company headquartered in Colombo, Sri Lanka. St. Anthony's Group owns businesses across Sri Lanka engaged in hardware, textiles, cement, roofing, media, construction, hospitality, farms, manufacturing, retail, solar and hydropower.
Vacuum valve may refer to: Trickle valve, a type of airlock; Vacuum breaker, an anti-siphon valve; Vacuum delay valve, an automobile component; Vacuum tube, an electron tube or thermionic valve; Vacuum interrupter, an electrical device acting similar to a circuit breaker, used in higher voltage applications