Are pleased to recommend steel globe valve, cast steel globe valve is the ShanghaiHongfeng Valve Co., Ltd. is one of the key products
Cast Steel Globe Valve is forced closed valve, so valve is closed, the disc must put pressureto force the sealing surface does not leak. When the medium from the bottom valve into the valve, the operating force required to overcome resistance, the stem and thepacking of the friction and pressure generated by the media, the thrust force off the valveto open the valve than the force, Therefore, the diameter of the stem to a large, otherwise the top curved stem failure occurred. In recent years, the emergence ofself-sealing valve, globe valve to change the media flow to the top of the valve into the valve chamber, when under pressure in the medium and close the valve of the force is small, and open the valve of the force, Stem diameter can be reduced accordingly.Meanwhile, the role of the media, this form of valve is also more closely.
Cast steel valve is open, the valve opening height, the nominal diameter of 25% to 30%, the flow has reached the maximum that the valve has reached the fully open position.Therefore, valve fully open position, the trip should be to determine the valve