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Customizable High-Performance Valves, Trusted by Projects Around the World

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High Pressure Ball Valve

Cryogenic Ball Valve

Fully Welded Ball Valve

DBB Ball Valve

High Temperature Ball Valve

Popular valves engineered for extreme service conditions.

Class 300 Trunnion-mounted Forged Steel Ball Valve

Class 600 Fully Welded Trunnion-Mounted (1).jpg

Class 600 Fully Welded Trunnion-Mounted DBB Ball Valve with Pipe Extensions, Gear Operated

Cryogenic Forged Trunnion Ball Valve Design with ISO 5211 Platform

Fire-Safe Multi-Layer Stem Sealing Class 2500 F11 Trunnion Mounted Ball Valve

Stainless Steel Twin Ball DBB Valve with Dual Manual Handles

1500LB Top Entry WCB Trunnion-Mounted Ball Valve

Heavy-Duty Trunnion Mounted Flanged Ball Valve with Double-Acting Spring-Return Pneumatic Act.jpg

Heavy-Duty Trunnion Mounted Flanged Ball Valve with Double-Acting / Spring-Return Pneumatic Actuator

Class 2500 A105 Trunnion Mounted Metal Seated Ball Valve with Heavy-Duty Electric Actuator

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Engineered for Class 900–2500 service, ensuring zero-leakage under extreme pressures.

Severe Service Metal Seated High-Integrity DBB Ball Valve for Critical Isolation

Class 2500 A105 Trunnion Mounted Metal Seated Ball Valve with Heavy-Duty Electric Actuator

High-Pressure Metal Seated DBB Trunnion Mounted Electric Actuated Ball Valve

1500LB Top Entry WCB Trunnion-Mounted Ball Valve

Fire-Safe Multi-Layer Stem Sealing Class 2500 F11 Trunnion Mounted Ball Valve

Flanged × NPT/BSP Linked & Lockable 2500LB Reduced Bore DBB Double Ball Valve

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Class 900 Reduced Port Forged DBB Trunnion-Mounted Cryogenic Ball Valve

Class 900 Fully Welded Trunnion-Mounted DBB Gas Ball Valve with Gear Operator

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Reliable sealing at ultra-low temperatures down to -196℃.

Cryogenic Forged Trunnion Ball Valve Design with ISO 5211 Platform

Compact Cryogenic Trunnion Mounted Ball Valve with Worm Gear

900LB Forged DBB Trunnion-Mounted Cryogenic Ball Valve

Full Port Cryogenic Trunnion Mounted DBB Ball Valve - F316, Gear Operated

Class 900 Reduced Port Forged DBB Trunnion-Mounted Cryogenic Ball Valve

Class300 Forged DBB Trunnion-Mounted Ultra-Low Temperature Ball Valve

Cryogenic Top Entry Floating Ball Valve with Extended Stem

Cryogenic Reduce Port Floating Ball Valve with Locking Device

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Supported ball valves for large-diameter and critical service.

Fully Welded Trunnion Ball Valve with Bypass and Drain

Class 600 Fully Welded Trunnion-Mounted DBB Ball Valve with Pipe Extensions, Gear Operated

Fully Welded Buried Trunnion Ball Valve with Extended Stem

Class 900 Fully Welded Trunnion-Mounted DBB Gas Ball Valve with Gear Operator

Fully Welded Trunnion-Mounted Ball Valve with Extended Stem for Underground Pipelines

Class 600 Fully Welded Trunnion-Mounted DBB Ball Valve

Large Diameter Fully Welded Ball Valve for Natural Gas Transmission Pipeline

Fully Welded Flanged Trunnion Mounted Ball Valve

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Double Block & Bleed valves with fire-safe and anti-blowout design for maximum safety.

Stainless Steel Twin Ball DBB Valve with Dual Manual Handles

Twin Ball DBB Trunnion ‑Mounted Ball Valve with Worm Gear

Flanged × NPT/BSP Linked & Lockable 2500LB Reduced Bore DBB Double Ball Valve

ASTM A105N 1500LB Flanged Double Block and Bleed (DBB) Ball Valve

Integrated Twin Ball DBB Valve with Dual Stems

Reducing Flanged Twin Ball Double Block and Bleed Valve

Forged Double Ball DBB Valve with Dual Gear Operation

High-Integrity Double Ball DBB Trunnion Mounted Valve

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Engineered for safe operation at temperatures up to 550℃.

Forged Steel Metal Seated Trunnion-Mounted DBB Ball Valve

Severe Service Metal Seated High-Integrity DBB Ball Valve for Critical Isolation

High-Pressure Metal Seated DBB Trunnion Mounted Electric Actuated Ball Valve

Class 2500 A105 Trunnion Mounted Metal Seated Ball Valve with Heavy-Duty Electric Actuator

Fire-Safe Multi-Layer Stem Sealing Class 2500 F11 Trunnion Mounted Ball Valve

Class 600 High-Temp & High-Pressure Metal Seated Top Entry Ball Valve

Heavy-Duty Trunnion Mounted Flanged Ball Valve with Double-Acting / Spring-Return Pneumatic Actuator

Flanged × NPT/BSP Linked & Lockable 2500LB Reduced Bore DBB Double Ball Valve

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Industries We Serve

Engineered for Reliability Across Critical Applications.

Oil & Gas

Valves ensure pipeline isolation and safe operation across upstream, midstream, and downstream systems, even under high-pressure conditions.

Chemical & Petrochemical

Valves maintain reliable sealing and stable operation in corrosive media and fluctuating temperatures.

LNG & Cryogenic

Valves deliver proven low-temperature performance, tight sealing, and safe pressure management for cryogenic systems.

Power Generation

Valves control steam and process flows in high-pressure, high-temperature environments for critical units.

Water Treatment & Desalination

Valves provide reliable isolation and flow control in continuous, high-pressure industrial operations.

Hydrogen & New Energy

Valves offer excellent sealing integrity and safety design to prevent leakage under high-pressure conditions.

about us

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.

30 ⁺

Years of Experience

100 ⁺

Countries Exported

1500 ⁺

Clients Served

10000 ^㎡

Factory Area

Why Choose Us

Quality and testing procedures are applied in accordance with applicable international standards, based on valve type and service conditions.

Designed for Critical Service, Not General

Use Our valves are engineered specifically for high-risk, high-pressure, high-temperature, and cryogenic applications - where failure is not an option.

Project-Oriented Engineering Experience

Over 30 years supporting industrial projects worldwide, we understand real operating conditions, international approval processes, and on-site challenges.

Risk-Controlled Manufacturing & Delivery

Every valve is manufactured under controlled procedures aligned with international standards, ensuring minimal leakage, downtime, and operational risk.

Trusted by Demanding Markets Worldwide

Our valves are supplied to demanding markets across Europe, the Middle East, and global industrial sectors where quality, safety, and compliance are non-negotiable.