A great video on how a solenoid valve works and how to service one should they need it. This video came from Youtube. The link is here: https://www.youtube.com/watch?v=RPVNnVEq7Lk
Model VC-210 Mini-Max Control Valves are manufactured with stainless steel bodies and specifically designed for controlling liquids, gases and vacuums. Control valves are single seated and the bellows are sealed tightly to stop any type of leakage. They can be used for seating materials and flow characteristics for several different types of applications.
A pneumatic actuator is comprised of a molded 11 square inch Dacron reinforced diaphragm inside of an aluminum frame. The readily accessible spring nut allows for simple field adjustment of the starting point within the selected spring range. Synthetic gaskets located between the valve bonnet and the actuator frame decrease the heat transfer from the valve to the diaphragm.
Nuclear power, also known as nuclear energy, is the use of exothermic nuclear processes, to generate useful heat and electricity. The term includes nuclear fission, nuclear decay and nuclear fusion. Presently the nuclear fission of elements in the actinide series of the periodic table produce the vast majority of nuclear energy in the direct service of humankind, with nuclear decay processes, primarily in the form of geothermal energy, and radioisotope thermoelectric generators, in niche uses making up the rest. Nuclear (fission) power stations, excluding the contribution from naval nuclear fission reactors, provided about 6% of the world’s energy and 13% of the world’s electricity in 2012. In 2013, the IAEA report that there are 437 operational nuclear power reactors, in 31 countries, although not every reactor is producing electricity. In addition, there are approximately 140 naval vessels using nuclear propulsion in operation, powered by some 180 reactors. As of 2013, attaining a net energy gain from sustained nuclear fusion reactions, excluding natural fusion power sources such as the Sun, remains an ongoing area of international physics and engineering research. More than 60 years after the first attempts, commercial fusion power production remains unlikely before 2050.
For more information, check out the wikipedia entry here: http://en.wikipedia.org/wiki/Nuclear_power