Engineered for Resilience, Certified for Safety
As the global industrial sector shifts towards more complex and high-pressure environments, the role of a specialized OEM Trunnion Valve Manufacturer has evolved from a simple component supplier to a strategic engineering partner. In 2024, the demand for trunnion-mounted ball valves is driven by massive investments in LNG infrastructure, the burgeoning hydrogen economy, and the modernization of deep-water offshore platforms. These sectors require valves that can handle extreme mechanical stresses, prevent fugitive emissions, and guarantee absolute isolation in Double Block and Bleed (DBB) configurations.
Supporting the shift to Green Hydrogen and Carbon Capture (CCUS) with specialized metallurgy and zero-leakage sealing technologies.
Providing forged trunnion valves that maintain structural integrity at -196°C, essential for the global LNG supply chain.
Large-bore, fully welded trunnion valves for cross-country pipelines where maintenance-free underground operation is a non-negotiable requirement.
The current global industrial status for trunnion valves is marked by a move toward "Smart Valves." As an industry-leading Factory, we are integrating IoT sensors into our trunnion designs to allow for real-time health monitoring of seats and stem seals. This "Predictive Maintenance" approach is becoming the standard for major EPC projects in the Middle East and Europe.
Our technical roadmap focuses on three pillars: Material Science (using Inconel 625 overlays for corrosive service), Emission Control (meeting ISO 15848-1 Class A standards), and Automation Integration. We are not just manufacturing hardware; we are providing the digital interface for the next generation of industrial plants.
Engineered Valve Reliability for Critical Applications. With over 30 years of expertise in forging high-performance ball valves, SLVCN provides reliable, project-ready solutions for critical industrial applications. Our valves are rigorously engineered, tested, and certified to meet the strictest international standards, ensuring zero-leakage and dependable performance in harsh operating environments. Trusted by projects across Europe, the Middle East, and worldwide, we deliver the precision and reliability that demanding industrial systems require.
A true global OEM Manufacturer must navigate a complex web of regional standards. Our factory provides full localization support, ensuring that every trunnion valve shipped complies with API 6D, ASME B16.34, and ISO 17292. For the European market, we adhere to PED 2014/68/EU and CE marking requirements. For North American projects, we ensure full NACE MR0175 compliance for sour gas service.
Third-party inspections (TPI) by SGS, BV, or DNV are standard in our workflow to guarantee that "Quality" is a verified fact, not just a promise.
On-site commissioning support and localized maintenance manuals provided in multiple languages to ensure smooth operational handover.
Full MTRs (Material Test Reports) according to EN 10204 3.1 for all pressure-containing parts, ensuring absolute reliability.
The primary difference lies in how the ball is supported. In a floating design, the ball is held by the seats, causing higher torque as pressure increases. In a Trunnion Mounted design, the ball is fixed by a stem and a lower trunnion. This transfers the pressure load to the valve body, allowing for lower torque and better sealing at high pressures and larger diameters.
DBB valves are essential for safety-critical isolation. They allow you to seal both upstream and downstream ports simultaneously and bleed the cavity to verify seal integrity. This is required in custody transfer, pig launching stations, and high-pressure gas processing where human safety is paramount.
Forging eliminates internal defects like porosity and shrinkage, which are common in castings. This results in a much higher structural integrity and better grain structure, which is critical for high-pressure Class 1500/2500 service and cryogenic applications where material toughness is vital.
Our severe service valves utilize Metal Seated technology with Tungsten Carbide (TCC) or Chrome Carbide (CCC) coatings. This allows the valve to operate in abrasive slurry service or at temperatures exceeding 500°C without compromising the seal.
Explore our specialized range of high-performance industrial valves
Valves ensure pipeline isolation and safe operation across upstream, midstream, and downstream systems, even under high-pressure conditions.
Valves maintain reliable sealing and stable operation in corrosive media and fluctuating temperatures.
Valves deliver proven low-temperature performance, tight sealing, and safe pressure management for cryogenic systems.
Valves control steam and process flows in high-pressure, high-temperature environments for critical units.
Valves provide reliable isolation and flow control in continuous, high-pressure industrial operations.
Valves offer excellent sealing integrity and safety design to prevent leakage under high-pressure conditions.
Choosing an OEM Trunnion Valve Manufacturer is a decision that impacts the safety and efficiency of your entire project. Our 30-year legacy is built on a foundation of "Zero-Leakage" philosophy. We apply rigorous quality and testing procedures in accordance with international standards, based on valve type and service conditions.
Shoulong Valve
