Oil and Gas Pipeline Project for Export to Russia | Lixin Valve Fully Welded Underground Ball Valve with Pneumatic–Hydraulic Interlinked Actuator
Recently, a batch of fully welded, buried gas-liquid linkage ball valves from Lixin Valve Group was successfully shipped to an oil and gas pipeline project in Russia. This export not only reflects international clients' recognition of the Group's product quality and technical capabilities but also demonstrates the company's comprehensive competitiveness in high-end valve manufacturing and international market expansion.
Importance of Underground Fully Welded Ball Valve Reliability
As critical control components in pipeline systems, buried ball valves are widely used in sectors such as municipal gas distribution, long-distance transmission pipelines, and petrochemicals; their safety, sealing integrity, and durability are directly linked to the stable and safe operation of pipeline networks. Addressing the challenges posed by complex underground operating conditions and difficult maintenance, Lixin Valve Group continuously optimizes product design and performance to provide customers with safer, more efficient solutions.
Advanced Design of Underground Fully Welded Ball Valves
The buried, gas-liquid actuated, fully welded ball valves exported by Lixin Valve Group feature a one-piece, fully welded body structure—eliminating bolts and flanges to minimize the risk of external leakage at the source. This design offers superior structural integrity, effectively withstanding the impacts of ground subsidence, pipeline stress, and complex operating environments. Compared to traditional connection methods, the fully welded design provides significant advantages in sealing performance, safety, and service life. The valves utilize a multi-layer sealing system combining soft and metal seals, alongside features such as double block and bleed (DBB), double-piston action, fire-safe capability, seat and stem grease injection, and body cavity pressure relief. These attributes ensure stable, reliable sealing during long-term operation and under fluctuating pressure conditions, meeting the rigorous demands for high safety and zero leakage in buried pipeline networks.
Optimizing Pipeline Efficiency with Lixin’s Underground Fully Welded Ball Valves
Additionally, the product features an extended stem design, allowing the operating mechanism to reach ground level; this eliminates the need for underground access during operation, thereby enhancing convenience. Its full-bore structure effectively minimizes flow resistance and improves transport efficiency. The valve body exterior can be coated with polyurea or high-build epoxy anti-corrosion finishes, providing effective resistance against soil corrosion and ensuring a service life of over 20 years. With advantages such as zero leakage, maintenance-free operation, longevity, ease of installation, and strong resistance to ground settlement and seismic activity, the fully welded, buried gas-liquid linkage ball valve has become an ideal choice for modern buried pipeline networks. It is widely used in natural gas trunk lines, branch networks, crude oil and refined oil transport, and pipeline systems for various chemical media.
Global Commitment to Lixin Valve Solutions
As a company deeply committed to the valve manufacturing industry, Lixin Valve Group consistently prioritizes technological innovation and quality excellence, continuously enhancing its capabilities in product R&D, manufacturing, and global service. This overseas export marks another milestone in the Group's active expansion into international markets and its commitment to serving global customers. Moving forward, Lixin Valve Group will continue to support global energy transmission and industrial pipeline infrastructure development with reliable products and professional services, creating long-term value for an ever-growing customer base.








