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目前显示的是 九月, 2022的博文

What Valves Are Used for Drainage Pipes?

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  1. Valve and set the choice of components The valves used on the water supply pipeline, generally according to the following principles. ● the diameter of the pipe is not greater than 50 mm, it is appropriate to use the globe valve, pipe diameter greater than 50 mm gate valve, butterfly valve.  ● the need to adjust the flow, water pressure, it is appropriate to use the regulating valve, disconnecting valve.  ● requires a small resistance to water flow (such as pump suction pipe), it is appropriate to use the gate valve.  ● the water flow needs two-way The two-way flow of water should be the  gate valve ,  butterfly valve , can not use the globe valve. ● the installation space of small parts should be used butterfly valve, ball valve.  ● in the often open, close the section of the pipe, it is appropriate to use the  globe valve . ● the larger diameter of the water pump discharge pipe should be selected multifunctional valve.   2. The advantages and disadvantages of various valves 2.1.

Ductile iron hdpe pipe tube wide range flexible joint China manufacturer

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Ductile iron hdpe pipe tube wide range flexible joint  China manufacturer Product Description Warranty:12 months Certification:CE, ISO, TUV, SGS, WRAS Customized support:OEM, ODM Place of Origin:Hebei, China Brand Name:Jhy Technics:Casting Connection:Welding Shape:Equal Head Code:Round Size:DN50-DN600 Pressure:PN10/PN16/PN25 Body material:Ductile Cast Iron Working Temperature:0-80 Degree Certificate:WRAS, CE, ISO, SGS, TUV Usage:Joining Pipe Lines Color:Customized Our company is a leading China wide range flexible joint manufacturer , supplier and exporter. Adhering to the pursuit of perfect quality of products, so that our wide range flexible joint have been satisfied by many customers. Extreme design, quality raw materials, high performance and competitive price are what every customer wants, and that's also what we can offer you. Of course, also essential is our perfect after-sales service. If you are interested in our Valve Coupling Joint  services, you can consult us now .

GS-C25 DIN carbon steel bellow globe valve PN16

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GS-C25 DIN carbon steel bellow globe valve PN16 Product Description Typically, DIN globe valves  are made of cast steel with external threads and yoke (OS&Y) and rising stem. Long-life bellows seal designs are available upon request, significantly improving stem sealing performance and ensuring long service life. It is a cast full bore valve, with female thread, different types of plugs, especially suitable for adjustment, manufactured according to DIN standard. Din Globe Valve   Application DIN standard sealing globe valve is suitable for various working conditions of petroleum, chemical, pharmaceutical, fertilizer, electric power and other pipelines. The nominal pressure is PN1.6-40MPa, and the working temperature is -20-350°C, that is, it is used to cut off or connect the pipeline medium. Main Feature: 1. Bellow is the key part of bellow sealed valves, which is welded to both the valve bonnet and valve stem, with automatic roll welding. The metal bellow can keep the stem part 10