Changzhou City, Xiao source Machinery Co., Ltd. mainly produces all kinds of metering pumps. Our metering pump Features: 1, gravity casting shell, high thermal performance, light overall weight, for various chemical liquid, non-toxic and tasteless. 2, N double eccentric shaft mechanism, run smoothly without noise. 3, the contact with the medium pump head as PVC, optional PTFE, and stainless steel. 4, cost-effective, universally applicable to pressure less demanding water treatment industry and the need to increase the plant corrosive liquids. 5, when the pump is running or stopped traffic can also be adjusted quantitative output. 6, the standard mold parts are all compressed into the system, the vulnerability of low prices and convenient delivery industry-specific chemical metering pumps, complete accessories anywhere you can inquire purchase. 7, dosing equipment peripheral products, the company has production, welcome to support the purchase. Also known as cut-off valve gate valve environmental metering pump, it is mandatory sealed valve, so when the valve is closed, pressure must be applied to the valve to force the sealing surface does not leak. When the medium enters from below the valve disc, the operation force needed to overcome the resistance of the metering pump, is thrust by the frictional force generated by the pressure medium and the valve stem packing, close the valve opening force larger than the force of the valve, so The larger the diameter of the stem, or stem benders failures occur. Press connection is divided into three types: flanged, threaded connection, solder connection. From the emergence of self-sealing valve, globe valve would change the flow of media into the valve chamber from above the valve, then at medium pressure, close the valve of a small force, and force open the valve, the valve stem diameter may be appropriate reduced. Meanwhile, in the role of the media, this form of valve is also relatively tight. China's valve "three to" has been provided, closing the flow valve, should be top-down. When measured at the pump cut-off valve is open structure picture, the valve opening height, the nominal 25% to 30% of the diameter. Flow has reached the maximum, that valve has reached the fully open position. So off fully open position of the valve, the valve stroke should be determined. Metering pumps, low maintenance costs, environmental metering pumps supplied by Changzhou City, Xiao source Machinery Co., Ltd. Metering pumps, low maintenance costs, environmental metering pump Changzhou City, Xiao source Machinery Co., Ltd. (www.czxiaoyuan.com) (www.czxiaoyuan.com) this year introduced a new upgrade, the above picture is for reference only, please call this page or Tel picture on to obtain the latest information, contact: Xueju Ping.