⚡ Engineered for Critical Service · Since 1993
Customizable, zero-leakage ball valves engineered for extreme pressure, temperature, and cryogenic service conditions. Trusted by projects across Europe, Middle East, and worldwide.
Trusted by Projects Around the World — engineered for extreme service conditions, certified to the strictest international standards.
Popular valves engineered for extreme service conditions.
Engineered for Class 900–2500 service, ensuring zero-leakage under extreme pressures.
Reliable sealing at ultra-low temperatures down to -196℃.
Supported ball valves for large-diameter and critical service.
Double Block & Bleed valves with fire-safe and anti-blowout design for maximum safety.
Engineered for safe operation at temperatures up to 550℃.
From upstream oil fields to cryogenic LNG terminals — our valves perform where failure is not an option.
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.
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.
Backed by a 10,000㎡ state-of-the-art manufacturing facility, our team of experienced engineers and quality inspectors ensures that every valve leaving our factory meets or exceeds API 6D, ASME B16.34, and ISO 15848 sealing requirements. From custom cryogenic designs to high-pressure Class 2500 configurations, SLVCN is your trusted partner for critical flow control solutions.
Years of Experience
Countries Exported
Clients Served
Factory Area
Quality and testing procedures are applied in accordance with applicable international standards, based on valve type and service conditions.
Our valves are engineered specifically for high-risk, high-pressure, high-temperature, and cryogenic applications — where failure is not an option. Every component is selected and verified for severe service reliability.
Over 30 years supporting industrial projects worldwide, we understand real operating conditions, international approval processes, and on-site challenges. Our team partners with you from specification to delivery.
Every valve is manufactured under controlled procedures aligned with international standards, ensuring minimal leakage, downtime, and operational risk. Full traceability documentation is provided for every project.
Our valves are supplied to demanding markets across Europe, the Middle East, and global industrial sectors where quality, safety, and compliance are non-negotiable. We hold the certifications your projects demand.
Every valve is manufactured and tested under international standards to ensure safety, sealing integrity, and long-term reliability.
Every SLVCN valve is designed, manufactured, and tested to the most rigorous global standards — ensuring full compliance for international project approval.
Our engineering team ensures that every valve configuration — from cryogenic DBB valves to high-temperature metal-seated ball valves — is fully compliant with applicable international codes. All test reports and material certifications are available for third-party inspection.
⬇ Download CertificationsPipeline & Piping Valves
Valves — Flanged, Threaded & Welding End
Industrial Valve Fugitive Emissions
Fire Test for Quarter-Turn Valves
SLVCN exports high-performance industrial ball valves to over 100 countries. Our dedicated project engineering team provides full technical support from quotation to commissioning — ensuring your project requirements are met on time, every time.
Discover how SLVCN valves perform in real-world critical industrial deployments across the globe.
SLVCN is proud to announce the successful shipment of multiple 6" Class 300 RF forged trunnion-mounted ball valves to a critical pipeline project in Southeast Asia. Engineered to API 6D and ASME B16.34, these valves underwent full hydrostatic shell and seat testing prior to delivery.
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In high-stakes industries where safety and reliability are paramount — such as oil and gas, chemical processing, and power generation — the Double Block and Bleed (DBB) ball valve is the gold standard for isolation and pressure management.
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With over 30 years of experience, SLVCN designs and manufactures high-performance industrial valves for demanding applications including LNG cryogenic service, high-pressure gas pipelines, and process plant isolation systems across the Middle East.
LEARN MORE →Trusted by procurement engineers, project managers, and EPC contractors across the globe who rely on SLVCN for critical valve solutions.
"SLVCN delivered Class 600 DBB valves for our offshore gas platform on time and within spec. All hydrostatic and fugitive emission tests passed first time. We'll be reordering for our next expansion phase."
"The cryogenic trunnion ball valves performed flawlessly at -196°C in our LNG terminal project. SLVCN's engineering team provided excellent technical documentation and fast response throughout the project lifecycle."
"We've been sourcing high-pressure metal-seated ball valves from SLVCN for 5 years. The quality consistency, certifications, and competitive lead times make them our preferred valve supplier for European chemical plant projects."
Our enthusiastic and professional team is always sharing the latest valve engineering knowledge, project updates, and industry expertise.
2025-12-12
News
SLVCN is proud to announce the successful shipment of multiple 6" Class 300 RF forged trunnion-mounted ball valves to a critical pipeline project in Southeast Asia, meeting stringent API 6D requirements.
READ MORE →
2025-12-11
Technical
In high-stakes industries where safety and reliability are paramount — such as oil and gas, chemical processing, and power generation — understanding how Double Block and Bleed valves work is essential for engineers.
READ MORE →
2025-12-11
Company
With over 30 years of experience, SLVCN designs and manufactures high-performance industrial valves for demanding applications across oil & gas, LNG, petrochemical, and power generation sectors worldwide.
READ MORE →Submit your project specifications and receive a detailed technical quotation from our engineering team within 24 hours. Over 1,500 clients worldwide trust SLVCN for critical flow control.
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Shoulong Valve
