Start work when the valve working condition requirements: boiler pressure force can reach 100 - 300 kilograms, flow is small, when normal operation of the pressure difference is small, large flow, flow adjustable ratio of 75:1 - 100:1. requirements: resistance to cavitation, block structure, grade V tightly closed ranks, pump valve's office, start working and resting runtime pump start work after normal time closing valves, valve Industrial Valves is generally for failure. 6, reduce temperature reducing pressure valve ( High and low pressure bypass valve) : stem requirements: high temperature and high pressure steam debugging to a certain temperature and pressure steam; A supply for steam turbine bypass channel, boiler steam turbine independently and office. 4, in addition to the oxygen water standard valve stem ( DALC) : stem requirement: water supply flow to keep the normal except oxygen device standard, after growth in steam temperature eliminate gas dissolved in the water. Working condition of things: high temperature and high pressure steam to reduce temperature to reduce the pressure. 3, high/low heater water heater hydrophobic hydrophobic, condensed water heater: stem requirements: restrict the position of the condensed water heater, early will drip, namely the high water mark emissions, normal water mark a hydrophobic. Working condition of things: medium to achieve the highest limit of water, heater stem valve pressure difference between the average is 6 - 30 kg, final level of trap straight adjacency agency condenser or in addition to the oxygen. requirements: work during low flow resistance to cavitation. Q: stem valve in the electric power industry category and type a: 1, feed valve, deputy boiler feed water Industrial Valves, compound feed water regulator: stem requirements: stem boiler feed water, maintain the economic level and steam flow. ( The minimum flow of old power plants have used switch mode stem valves, as well as the use of mechanical pump semi-automatic circulating valve) 。 。 Working condition of things: the pressure drop of - 160 350 kilograms, is the largest power station system bear the pressure differential valve, flow average 30 to one hundred percent of normal flow. requirements: resistance to flash scour, V or VI level tightly closed, valve for failure. Working condition of things: start working phase flow is small, the pressure difference is bigger, the normal things in large flow, small pressure difference, working condition of roughly similar feed valve. requirements: body is made of WCB/WC9, for double valve system start to work in the valve requires the cavitation resistance, V level off, about the nature of the compound feed valve need to use special 'trims satisfied with normal operation of boiler to start working and at the same time demand. Working condition of things: medium is water, pressure difference is bigger, the valve requirements: a variety of types: nozzle type, and help atomization type, self including type and type to the clamp. Selected for ordinary valve failure, ( Demand note is common to dissolve to eliminate the oxygen in water will attend diammonium disposal, it will be the number SATELLITE6 alloy or other roughly similar initiation is bad, so it's best to not use 316 Marine valve surfacing STELLITE way to dispose of trims, can be directly choose 416 stainless steel material) 。 requirements: thermal shock, noise reduction, response speed. 5, desuperheating valve ( Attemperator) : stem requirements: high pressure water spewing into steam to steam temperature in the stem. 2, boiler feed water pump minimum flow circulation valve: stem requirements: make the boiler feed water pump, the paper start work and operation, eliminate because flow is too small, temperature increase, water pump cavitation damage. Notes to the order: The national standard) A, A: B: product name, model, nominal size medium and temperature, pressure range C: whether there is attachment, delivery time, and special requirements so that we can correct selection for you. Second, if the valve has been selected by design unit of our company model, please order according to the valves parameters directly with our sales center. Three, it is very important when you use the occasion or the environment is more complex, would you please provide design drawings and detailed parameters, our engineers experts will concentrate on review and analysis for you. We can provide you with professional solutions, including design, customization, complete, operation and service. We've been working on the valve leader in the field of industry, to provide you with the latest knowledge of the valve, the best service, best technical adviser. Thank you for visiting our website, if you have any questions, you can call us, we will be dedicated to provide you with quality services. The factory provides professional ball valve, butterfly valve, gate valve, globe valve, check valve, relief valve, safety valve, Marine valve, oil valve, hydraulic control valve and other kinds of valves.
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