When valve is installed in the user not only to understand its installation method, because the valve when installed protection is important. If do not pay attention to when the installation is easy to cause damage to the valve or leakage, it will cause a lot of trouble. So how to defend when install valve? Install valve below small make up is to introduce specific protective measures. Check valve protection facilities in order to prevent leakage check valve or expires medium flow back, cause the decrease of the quality of the products, cause an accident consequences, such as check valve set before and after one or two cut-off valve. If set two cut-off valve, can facilitate maintenance check valve is removed. Safety protection facilities before and after the installation method is generally not set partition valve, only in individual cases, can be used. Such as medium containing solid particles, affect the relief valve cannot be locked after takeoff, to the relief valve before and after installing a seal gate valves, gate valves should be in the fully open position, gate valve and relief valve directly installed a 3/4 'check valve to the atmosphere. When calm discharge media such as wax for solid state at room temperature, or pressure gasification and make the light liquid medium such as the temperature below zero degrees Celsius, the relief valve need to steam heating. For the safety valve of corrosive medium, depending on the corrosion resistance of valve, consider the valve inlet and corrosion resistance of the explosion-proof membrane. Gas safety Industrial Valves according to the general size set a bypass valve, as the manual vent. Protective facilities of the pressure reducing valve pressure reducing valve installation facilities generally has three forms. Before and after the pressure reducing valve is equipped with pressure gauge, convenient observation valve before and after valve pressure. Has equipped with fully enclosed safety valve, after valve in case of valve failure after valve after pressure than normal pressure jump, contains valve system. Drain pipe is installed in front of the valve before the cut-off valve, the main is the drainage river flushing effect, some use steam trap. By-pass pipe is the main role after the pressure reducing valve malfunction, close the valve before and after the cut-off Industrial Valves, open the bypass valve, flow adjustment by hand, temporary circulation effect, in order to repair or replace the relief valve pressure reducing valve. Protection facilities trap trap edge with by-pass pipe and without by-pass pipe two kinds, the condensate recovery and the condensate does not pay, recycling of displacement, and other special requirements of steam trap, install facilities can be used in parallel form. The drain Industrial Valves with the by-pass valve, and its main effect in the pipes started running, used to discharge a large amount of water. Maintenance, trap with by-pass pipe discharge condensate is not appropriate, it will make the steam into the return water system. In general, don't install by-pass pipe. Only have strict request for heating temperature, heat, with the continuous production equipment to install by-pass pipe.
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