Durable Flow Control For Subsurface Infrastructure

The Underground Ball Valve from Zhejiang Naishi Valve Co., Ltd. is designed for buried pipeline systems requiring reliable shut-off, corrosion protection, and convenient operation. With an extended stem option for surface-level access, it is suitable for applications such as gas distribution, district heating, water supply, and industrial fluid transportation. Material and sealing configurations can be selected according to project conditions. Technical Specifications Body Material: Carbon steel, stainless steel, or alloy steel Nominal Size: 2"–24" (DN50–DN600), depending on model Pressure Rating: Class 150–1500, subject to design Connection Type: Flanged or butt-weld Operation Mode: Manual, gearbox, pneumatic, or electric Stem Design: Extended stem for buried installation Sealing Options: Soft-seated or metal-seated, depending on service requirements Protection: External anti-corrosion coating options Applications: Gas pipelines, water networks, district heating, and industrial systems Note: Specifications are indicative options. Actual size, pressure rating, material, temperature range, and applicable standards must be confirmed for the selected model. For technical details and project-specific valve configurations, explore Zhejiang Naishi Valve Co., Ltd.'s product range at https://www.ncevalve.com/product/.