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The JH Buried Ball Valve is a fully welded, high-integrity shutoff valve designed for underground installation in demanding environments. Its integrally welded body eliminates body flanges and potential leakage points, making it ideal for buried and inaccessible service areas. The rotating stem is triple-sealed, ensuring zero external leakage even in long-term installations.
Tailored for urban infrastructure, the valve supports customizable extension rods for surface-level operation access, allowing integration into gas distribution systems, district heating networks, steel plants, and heat exchangers. Drain, vent, and grease injection valves are routed to the valve top, simplifying maintenance without excavation.
The JH buried ball valve complies with major global standards and is widely used across municipal gas, industrial heating, and pipeline systems, where high reliability and minimal maintenance are essential.
– Valve Type: Fully Welded Buried Ball Valve
– Product Size Range: NPS 2″ to 64″
– Pressure Rating: Class 150 to Class 1500 (LB)
– Design Standards: API 6D, GB/T 12237
– End Connections: Typically butt-welded for buried service (customizable)
– Body Construction: Fully welded, no external leakage points
– Stem Design:
• Rotating stem with triple seal
• Anti-blowout stem construction
– Extension Options:
• Custom-length extension stem for underground access
• Integrated top-mounted drain, vent, and grease fittings
– Sealing Type:
• Metal-to-metal or soft seated (application dependent)
– Material Options:
• Body: Carbon steel, alloy steel, stainless steel (as required)
• Ball: Stainless steel or hard-coated alloy
• Seat: PTFE, RPTFE, or hard seal options
– Testing & Inspection:
• API 598 (hydrostatic & pneumatic)
• Fire-safe per API 6FA / API 607 (if applicable)
• Optional: NACE MR-0175, ISO 15848
– Typical Applications:
• Urban gas transmission and distribution
• District heating and cooling networks
• Steel plants and industrial gas systems
• Buried utility lines and process pipelines
For further specifications or to inquire about this equipment and ReflowX's logistics services, Please contact ReflowX at info@reflowx.com
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