The global demand for high-performance fluid control systems has accelerated the technological requirements for 3-piece ball valves. Unlike single-piece units, 3-piece ball valves offer unmatched maintenance flexibility—allowing for "in-line" servicing. As leading OEM manufacturers, our focus has shifted beyond mere hardware production to providing comprehensive flow isolation solutions.
Recent mandates in the Oil & Gas and Green Hydrogen sectors demand absolute containment. Our factory leverages advanced CNC machining and proprietary sealing technologies to meet ASME B16.34 and API 6D standards. The industry is witnessing a transition toward digital-ready valves, equipped with IoT sensors to monitor torque and cycle health in real-time.
From the arid refineries of the Middle East to sub-zero LNG terminals in Northern Europe, our valves are engineered for climate-specific resilience. We utilize high-grade alloys—Inconel, Monel, and Duplex Stainless Steel—to prevent galvanic corrosion and ensure longevity in aggressive media.
Standardizing on high-tolerance ball-to-seat contact to ensure Bubble-Tight shutoff, critical for high-pressure DBB (Double Block and Bleed) applications.
Adherence to API 607/6FA standards. Our manufacturing process includes rigorous multi-layer stem sealing tests to protect against catastrophic fire events.
Developing non-permeable seal materials specifically formulated for the H2 economy, ensuring pipeline integrity in future-energy infrastructure.
The 3-piece design allows the center section containing the ball and seats to be swung out for maintenance without disturbing the pipework, drastically reducing downtime in industrial operations.
Yes. As a direct factory, we support custom alloy procurement, including Hastelloy, Titanium, and exotic stainless steel grades tailored to your corrosive service requirements.
Our quality management system is ISO 9001:2015 certified. Each batch undergoes non-destructive testing (NDT), including ultrasonic and radiographic examinations, providing traceability for every component.
Shoulong Valve
