Stainless steel flange valve is one of the important components of turbine valve stem is not because one of the indispensable equipment technology, is the guarantee of enterprise development production, so the valve stem to how to design? We can study with factory to see it. Swing check valve can also be used to give the pressure could rise to more than the system pressure of the secondary system supply piping. Forged steel check valve used for industrial piping block medium counter-current device. Pneumatic valve disc sliding along the center line of the body of the Industrial Valves. Turbine ball valve is a new kind of valve, its small size, light in weight and good fabrication procedure, is one of the check valve development direction. But the fluid drag coefficient is slightly superior to swing check valves. 1. Precision of the polished rod position mirror effect, and convenient opening and closing, good seal. 。 2. New stem thread by using extrusion, high intensity, precision accuracy. 。 Forging forming technology on T slot, at the end of high efficiency and low cost. 4. Threaded parts with bare rod concentricity, overcome the domestic rolling process easy vulnerability problem of rolling die. 。 5. Shut off parts adopt CNC technology, high precision, good sealing performance. 。 In strong corrosion, volatile and harmful to the process conditions, once the stem seal damage, strong corrosion, volatile, harmful process medium leak out of the control valve stem, will have severe consequences on the surrounding environment and personal safety. 。 The corrugated pipe stem seal form is a way to solve these problems. Generally speaking, stainless steel bellows. The special protect control valve from stuffing box cover structure and fluid contact. Once the corrugated tube rupture, corrugated pipe at the top of the stuffing box structure will prevent the corrugated tube rupture of serious consequences. In engineering practice, the choice of the form of bellows seal should fully consider the bellows seal pressure ratings will reduce with the increase of temperature, there can be no solid particles in fluid, corrugated pipe material operating life of the longest cycle, etc. 。 In stainless steel can't resist some strong technological medium corrosion, such as when the process medium is body wet chlorine gas, wet chlorine body containing trace amounts of hydrochloric acid can make stainless steel corrugated pipe corrosion quickly. 。 Therefore, pneumatic Industrial Valves stem is very important, so make the dry, make the time, in order to fully take into account these factors, in order to better provide people with convenient.
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