Engineering Solutions for Subsurface Flow Control
The Underground Ball Valve from Zhejiang Naishi Valve Co., Ltd. is designed for buried pipeline systems requiring reliable shut-off performance, structural durability, and convenient operation. It is suitable for applications such as urban gas distribution, district heating, water transmission, and industrial pipeline networks. An extended stem can be configured to provide access to the operating mechanism above ground, while the valve body and sealing structure can be selected according to project conditions.
Technical Specifications
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Design Standard: API 6D, ASME B16.34, or applicable project standards
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Body Material: Carbon steel, stainless steel, or alloy steel
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Nominal Size: 2"–24" (DN50–DN600), subject to customization
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Pressure Rating: Class 150–1500, depending on design and size
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Connection Type: Butt-weld, flanged, or other specified connections
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Operation Mode: Manual, gearbox, pneumatic, or electric actuator
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Stem Design: Extended stem for buried installation
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Sealing Options: Soft-seated or metal-seated configurations, depending on service requirements
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Application: Buried gas pipelines, heating networks, and industrial fluid transportation
Note: The specifications above are indicative configuration options. Actual size, pressure rating, materials, temperature range, and standards depend on the selected model and project requirements.
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