The valve maintains a preset downstream pressure, regardless of upstream pressure or flow fluctuation. The main valve is controlled by a pilot valve, which makes the main valve modulating to maintain the downstream pressure.
The main valve comprises valve body, diaphragm, stem assembly, and seat. The valve is separated by diaphragm into two chambers, up and down. The upper chamber is control chamber, and down chamber is flow through chamber. The valve stem is driven by diaphragm up and down, and driven force comes from the differential pressure taken by two sides of diaphragm.
Botou Shengfeng Control-Self Valve Co., Ltd. is a comprehensive enterprise in scientific research, production, sales, spececializing in research and production of hydraulic automatic control and flow control technology energy saving valves. Site is located in Botou Industrial Park, covers an area of 15000 square metres, with independent development and manufacturing capacity. The biger caliber intelligent water meter controlled valve developed by company has gained many national patents, By nearly 10 years of production history, has provided for many famous water meter companyies, by the majority of users of the trust and praise.
"Technology expanded industry, Credit enriched benefit" is the fundamental of our company, "quality first, customer supreme" is our credit commitment, we will constantly develop new products, develop new markets, with high quality products and services, establish a permanent partner with customers, achieve common development and perfect pursuit.
