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The selection of gas water heater valve
Link: Gas Water Heater Valve    2015-03-01
With the continuous development of economic and social development trend of China's coal chemical industry has gradually matured, and this article on the prospects for the development of coal chemical industry and the corresponding seal Gas Water Heater Valve economy made a brief analysis. And in accordance with their respective particular... With the continuous development of economic and social development trend of China's coal chemical industry has gradually matured, and this article on the prospects for the development of coal chemical industry and the corresponding seal Gas Water Heater Valve economy made a brief analysis. And in accordance with their respective particularity of its core components to make a brief introduction, the basic nature of the identified major application of its seal Gas Water Heater Valve. Seal Gas Water Heater Valve associated coal chemical industry generally use it to take on the solid particles in high pressure, high temperature, in the case of normal Gas Water Heater Valve is prone to breakage related, as some foreign products for their maintenance long time, it can not meet the normal requirements of the relevant companies, which for many high-end Gas Water Heater Valve localization provided an opportunity. Coal chemical industry, the actual situation is very special, the actual requirements of the Gas Water heater valve is not high, in order to further meet the special requirements of the core to the relatively simple structure and process design introduction. And now this paper, coal chemical industry and the actual development of modern technology in a brief study, while the corresponding major coal chemical industry in the hard seal ball real economic development and a brief analysis on the basis of appropriate industry specific sex may be related to the core components seal natural gas valves makes a brief analysis of the actual application of the seal Gas Water Heater Valve made a fundamental OK. I hope you can provide a reference to the relevant technical staff through this research. View Details
Explosion Causes combustion gas valve
Link: Gas Water Heater Valve    2015-07-06
Explosion Causes combustion gas valve1, rust, dust, welding slag and the pipe wall or the valve inlet duct friction within high temperature combustion occurs.This happens with the impurity species, size and air flow velocity, iron easily with oxygen combustion, and the finer the particle size, the lower the ignition; gas velocity faster, more prone... Explosion Causes combustion gas valve1, rust, dust, welding slag and the pipe wall or the valve inlet duct friction within high temperature combustion occurs.This happens with the impurity species, size and air flow velocity, iron easily with oxygen combustion, and the finer the particle size, the lower the ignition; gas velocity faster, more prone to burning.2, or the presence of oil, rubber and other low flash point of the material within the pipeline valves, ignited at local temperature.3, high-temperature adiabatic compression generated by the burning of combustible material. Before the valve is 15MPa, the temperature is 20 ℃, the valve is pressure 0.1MPa, If quick open Burner Valves, the valve oxygen temperature is calculated by adiabatic compression of up to 553 ℃, which has reached or exceeded the ignition point of certain substances.4, the high-pressure pure oxygen reduced ignition of combustible materials burn oxygen pipe valve incentives. High pressure oxygen piping and valves in pure oxygen, the risk is very large, the test proved that the fire detonated energy is inversely proportional to the square of the pressure, the oxygen pipes and valves posed a grave threat. View Details
Safety valve selection principles
Link: Gas Water Heater Valve    2015-07-03
Safety valve selection principles1, the Gas safety valve, generally used to open the entire Kai spring safety 0490 series;2, the liquid medium with a safety valve, generally used Weiqi safety valve spring 048 series;3, air or other gas media safety valve, generally used all Kai bomb safety valve;4, LPG tankers or liquefied petroleum ... Safety valve selection principles1, the Gas safety valve, generally used to open the entire Kai spring safety 0490 series;2, the liquid medium with a safety valve, generally used Weiqi safety valve spring 048 series;3, air or other gas media safety valve, generally used all Kai bomb safety valve;4, LPG tankers or liquefied petroleum gas rail tankers with safety valve, generally used all Kai built safety valve;5, production wells outlet safety valve, generally used in the Pilot Safety Valve.6, high-pressure bypass valve steam generating equipment, generally used with a dual function of Ann and control the pilot valve;7, if the requirements of the safety valve for regular open test should be used to enhance the hand with a safety valve. When the pressure reaches more than 75% of the opening pressure of the medium can be used to enhance the wrench slightly lifted from the valve seat to check the safety valve opens flexibility;8, if the medium is corrosive and should be used bellows safety valve to prevent the media to parts due to corrosion and failure. View Details
Pressure relief valve is a gray base system indispensable equipment
Link: relief valve    2015-07-01
Pressure relief valve is a gray base system indispensable equipment. mainly by the valve cover on the body, lower body, retaining rings, springs, vacuum ring, diaphragm pads and other components. Suitable for oil-immersed power transformers, power capacitors and on-load tap changer and so on, to protect the fuel tank. When the oil-filled trans... Pressure relief valve is a gray base system indispensable equipment. mainly by the valve cover on the body, lower body, retaining rings, springs, vacuum ring, diaphragm pads and other components. Suitable for oil-immersed power transformers, power capacitors and on-load tap changer and so on, to protect the fuel tank. When the oil-filled transformer malfunction in operation, due to overheating of the windings, so that part of transformer oil vaporization, the rapid increase in the transformer tank pressure, when the pressure release Gas Valve For Water Heater rapidly moves within 2ms, the protection of the tank will not warp or crack. When the pressure inside the tank rises again and reaches the opening pressure, the pressure relief valve on the action again until the pressure inside the tank drops to normal. Because of the pressure gas valve action can be reliably closed, the fuel tank of water and air can not enter the tank, inside the transformer is not affected by air pollution.Main feature1, the device uses large diameter of the exhaust port (508mm), vent cover with aluminum, lightweight, responsive to pressure changes. Use the valve cover weight set opening pressure, even by a long-term work, but also to ensure that accurate and reliable opening pressure.2, the use of aluminum and cast iron structure, corrosion and aging.3, simple structure, normal operation without maintenance workload.4, flexible and reliable vacuum relief valve. View Details
Development of magnetic valve
Link: magnet valve    2014-11-23
China with the city, the acceleration of the industrialization process, the magnet valve industry water use continued to increase, the shortage of water resources has become the bottleneck of sustainable development of the national economy Chinese. Sprinkler irrigation is an advanced irrigation methods of crop growth to provide the necessary w... China with the city, the acceleration of the industrialization process, the magnet valve industry water use continued to increase, the shortage of water resources has become the bottleneck of sustainable development of the national economy Chinese. Sprinkler irrigation is an advanced irrigation methods of crop growth to provide the necessary water condition, is moving in the direction of development of precision irrigation, sprinkler irrigation equipment research and development focused on the low pressure spray, series of complete, intelligent technology, "fool" control direction. Semi fixed spray irrigation as the key factor of poor working environment, high labor intensity, operation management is not convenient has become the constraints of its development, it must be a revolutionary change to the current semi fixed spray irrigation mode, making it adapt to the need of the new situation. Hydrant as the key control component in semi fixed spray irrigation, currently plays only a simple on / off function, can realize the automatic control of irrigation system and automatic control and regulation more difficult to accomplish the first pressure, at present our country has no automatic patio heater control valve magnet valve special for agricultural irrigation, often uses the electric magnet valve industry as an alternative, the magnet valve volume and weight, high price, and can only achieve a branch to be opened and closed, unable to set and control to the system pressure; at the same time as the electric magnet valve in the power off and fault conditions, manual open and close more difficult. In order to open and close the irrigation pipeline in electric magnet valve power failure or failure, we need in the electric magnet valve inlet installed a manual magnet valve, increased the cost of the installation is complicated, therefore, to the development of a feedwater control magnet valve and adjust and adapt to the automatic irrigation system and automatic control device for branch header pressure automatic Gas Control Valves, upgrading on fixed spray irrigation system and development will play a great role. This paper designed and developed a memory type semi fixed sprinkling feed water control magnet valve, realizes the automatic pressure control, irrigation duration automatic collection, preservation, transmission and irrigation flow and quantity of data, the realization of network and intelligent control of sprinkler irrigation system. View Details
Working principle of the magnet valve
Link: magnet valve    2015-02-03
magnet valve in a sealed chamber, at different locations with holes, each hole connected to a different pipeline, the intermediate chamber is a piston, two is two magnet valve, which faces the magnet coil is energized the valve body will be attracted where side, by controlling the movement of the valve body to open or close a different drain hole, ... magnet valve in a sealed chamber, at different locations with holes, each hole connected to a different pipeline, the intermediate chamber is a piston, two is two magnet valve, which faces the magnet coil is energized the valve body will be attracted where side, by controlling the movement of the valve body to open or close a different drain hole, and into the hole is always open, the hydraulic oil will enter a different outlet pipe, and then to push the oil through the pressure cylinder piston, the piston again driven piston, the piston rod drive mechanism. Thus by controlling the solenoid off electrical current to control the mechanical movement.Solenoid excitation coil is energized, the Gas Grill Control Valve force pull the fish course, spring board to promote the passage of the spool against the board, cooked in the valve body. Excitation coil energized magnet valve, the spring restoring force for pushing back the slide valve. Reed banana coil is energized and de-energized, causing the magnet to plug stuffy pupil fried pull Fort and open, so that the compression spring and Zhang Lian Chi, sliding back and forth so as to promote the spool. And from the slide valve, the oil passage opening and plugging a different channel on the valve body, the valve switching operation is performed, to achieve changing the flow direction or off the oil passage. magnet valve itself off the field coil power is determined by the contactor or relay contacts to complete the action. That is, the Stove Top Burner Valve must be used in conjunction with the contactor or relay. View Details
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