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In the modern energy landscape, Large Diameter Gas Pipelines serve as the primary arteries for global energy security. As these pipelines scale up to diameters of 36 inches and beyond, the demands on flow control technology have shifted from simple manual operation to sophisticated, automated systems. The actuated ball valve has emerged as the industry standard, providing the necessary torque, speed, and reliability required to manage massive volumes of natural gas at high pressures.
Current industrial trends indicate a significant move toward "Smart Pipelines." This involves integrating heavy-duty actuators with IoT-enabled sensors to provide real-time data on valve health, torque signatures, and leakage detection. At SLVCN (Jiangsu Shoulong Valve Co., Ltd.), we are at the forefront of this transition, engineering valves that not only withstand extreme mechanical stress but also integrate seamlessly into automated SCADA systems.
Beyond simple shut-off, these valves perform critical roles in complex gas environments.
Large diameter pipelines require frequent pressure boosting. Actuated ball valves provide rapid isolation for compressors, ensuring that maintenance can be performed safely without depressurizing the entire mainline.
In the event of a rupture or pressure surge, actuated valves must close within seconds to prevent catastrophic gas release. Our valves are designed for high-cycle reliability and fail-safe operation under maximum differential pressure.
Handling liquefied natural gas requires cryogenic-ready materials. Our actuated solutions for large diameter LNG lines operate flawlessly at temperatures as low as -196°C, utilizing extended stems and specialized seals.
With over 30 years of manufacturing experience, SLVCN is a professional designer and manufacturer of high-performance forged steel ball valves for critical industrial applications. We specialize in extreme working conditions including high pressure, high temperature, and cryogenic environments, providing safe and reliable flow control solutions for global industrial projects where operational reliability is non-negotiable.
Our core product range covers forged trunnion-mounted and floating ball valves, top-entry and side-entry ball valves, fully welded ball valves, metal seated ball valves, cryogenic ball valves, high-pressure ball valves up to Class 2500 (PN420) and customized higher pressure ratings.
Why choose SLVCN Forged Valves for Large Pipelines?
Compared with conventional cast valves, SLVCN forged valves feature higher material density, superior mechanical strength, improved resistance to pressure fluctuations and thermal shock, and significantly longer service life under severe service conditions.
Safety and reliability are embedded in every design. Our forged ball valves are equipped with:
To ensure consistent quality, each valve undergoes a complete series of inspections and performance tests in accordance with API 6D, API 598, and ISO 5208, including shell test, seat leakage test (Rate A / zero visible leakage), fire-safe test, cryogenic test, and operational torque test.
SLVCN is certified to ISO 9001, CE, and API standards. We provide extensive customization capabilities covering sizes from 1/2” to 36”, full bore or reduced bore, with materials including A105, LF2, F11, F22, F51, Inconel, and intelligent actuation systems.
Today, SLVCN serves customers in more than 100 countries and regions, supplying valves to EPC contractors, engineering companies, and end users across Europe, the Middle East, Southeast Asia, and the Americas. Backed by strong engineering expertise, advanced manufacturing, and rigorous quality control, SLVCN is committed to delivering safe, durable, and truly engineered valve solutions for the world’s most demanding industrial projects.
Buried Trunnion Ball Valve with Extended Stem
Forged Steel Metal Seated DBB Ball Valve
Class 2500 / 6000 PSI Forged DBB Valve
Class 900 Cryogenic Trunnion Ball Valve
Compact Cryogenic Valve with Worm Gear
A105 Metal Seated Valve with Electric Actuator
Linked & Lockable 2500LB DBB Double Ball Valve
Stainless Steel Twin Ball DBB Valve
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