stand-up exhaust Industrial Valves in the process of application, if there is no good operation, so it is easy to occur accident, then stand-up exhaust valve prone to accidents have? The following and see it together.

subgrade is to choose the operating valve drive absolute main parameters. The output of the drive torque should be greater than the valve required for maximum moment in the process of operation. In general the former should be equal to the latter one. 2 or 1. Five times, so the accurate grasp of the valve torque is the key to select the valve device, however, because of the complexity of the actual situation. Calculate the valve torque, get error are bigger, by adopting the method of using the measured maximum operating torque of the Industrial Valves. Have received experiment system conditions and the limitation of the equipment, also is limited by structure of various type of valve itself. It is difficult to obtain the typical data. Qb1 stand-up exhaust valve from the current situation, can adopt the method of calculation and the measured to obtain the approximate results. And then when you drive with adequate accuracy. The qualitative introduction of all kinds of valve operating torque. With nominal pressure of PN said bolted bonnet of wedge gate valve, operating torque said gate valve operating torque without physical measurement and theoretical calculation, the condition of using empirical data. Chosen electric actuator torque value of 1, 1 times the correct selection of the valve is to ensure that equipment and pipeline system is not due to an unplanned maintenance, replacement and affect the normal operation of the valve (proactive conditions, it is very important.

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