Heat metering reformation regulation is the premise of measurement is a means of energy saving is objective, indoor radiator valve is the only device, user autonomic regulation must be modified to install, otherwise cannot achieve energy saving purpose. Therefore, no matter choose what scheme, without a good temperature control products, saving energy is equal to talk. At the heart of the heat metering is indoor temperature control device ( Also known as thermostatic radiator valves or radiator temperature control valve, thermostatic valve or temperature control valve) , thermostatic valve can realize the change of the temperature and heat flow heating system adjustment, no thermostatic valve adjustment, it is impossible to achieve better energy saving effect. Choose good thermostatic valve product to have the actual efficacy of save money. Save money here refers to is not a single product purchase cost savings, but to save the cost of heating. At present, with the deepening of the heat metering reformation process, new buildings must be mandatory installation of radiator thermostatic valves are known. So, a good thermostatic valve ( Temperature control valve) Product is what kind of? In accordance with the relevant provisions of the state and industry standard requirements thermostatic valve must have the following functions: first, have the air hose pressure or replace the function of the valve core. During heating, due to various factors appear jams, cause the thermostatic valve can not work effectively, under the condition of can't stop heating, maintenance personnel can to unblock the thermostatic valve or replacement of valve core work, ensure the normal operation of the heating system. Second, the vertical double pipe system installed thermostatic valve must have a default resistance function, purpose is to more effectively and reasonably regulating the flow of heating and heat supply pipeline pressure, adjust the regional balance. These two requirements are issued by the Ministry of Housing and Urban-Rural Development 'regulations of technology of heating metering ( JGJ173 - 2009). The mandatory technical requirements. Third, the KV value of thermostatic valve is a pre-set functions. Fourth, thermostatic valve is another important indicator of heating valve leakage problem, where the valve has the possibility of leakage, especially the user home heating valve. Whether the valve has the function of preventing leakage, therefore, is to judge the thermostatic valve and a very important reference index. Thermostatic valve is a kind of automatic control valve, in the case of no use, thermostatic valve will automatically work repeatedly every day, when the thermostatic valve is leaking, no one can judge, therefore, thermostatic valve may seem small, but it is an important part of the people's livelihood problems. New residence construction proposal chooses to thermostatic valves should possess the following basic functions: ( 1) No special tools can hose pressure air or replacement of Industrial Valves core, use special tools can air hose pressure or replace the valve core. The difference between the two is bigger, avoid the use of special tools is very convenient, tool cabinet and widely available. Their operation can repair and replacement, and the special tool is a special tool, high price, not retail. ( 2) Vertical double pipe system must have the function of the default drag coefficient, in order to solve the hydraulic imbalance problem. ( 3) Leakage prevention function, let the consumer trust. Recently, all parts of the country for the heat metering reformation of old residential buildings are also gradually expand, many retrofit scheme arises at the historic moment, basic is door control is given priority to. The so-called control, is to family as the unit of measurement and temperature regulation. , no matter what choice scheme must include temperature control products, at present commonly used products are: electric valves, electric ball valves, electric two-way valve, and related products, these products all adopt high voltage of 220 volts for water systems. Electric valve core driving element is paraffin bag warm, it is divided into paraffin and metal powder, under the working condition of heat conduction, the temperature of paraffin wax and metal powder layering extremely easily, cause metal powder precipitation, accelerate the failure of electric valve, at the same time, the electric valve cannot online pollution change valve core. Both ( Old) Residence building renovation Suggestions selected user control temperature control valve should have basic functions: ( 1) Working voltage is lower than the safety of the 24 v products, there will be no leakage, electric shock, etc. ( 2) Work power to less than 1 watt, in thermal energy saving at the same time also save electric energy consumption. ( 3) Abnormal valves when the power is in a normally open state, avoid heating system is affected, and to produce needless issue. ( 4) Take air hose pressure or replace the valve core, easy to maintenance. ( 5) Leakage prevention function, let users more at ease. ( 6) Product failure automatically return after ( That maintain a normally open state) , also is the necessary condition to protect the normal operation of the heating system. Choose good temperature control products is critical, this is related to the vital interests of the people. Especially the development of enterprises, construction enterprises, heating and heating reform enterprise, must choose accord with national technology standard temperature control products, for people to do the practical work, in order to promote the benign development of heating metering lay the foundation.
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