Weidouli Control Valves Have Sil Qualification.

Table of Content [Hide]

Weidouli LN series Control valves were verified by TUV which meet the SIL standard defined requirements of the safety levels according to IEC EN61508 and obtained related certification.

Weidouli Special Valves(WSV), China’s leading alloy valve manufacturer, specializes in industrial valve production, welcome to purchase our control valves.

References

Related News & Blog

What Is a Manual Block Valve

Manual block valves are commonly used valves in industrial pipeline systems. Their primary function is to control the flow of fluid through manual operation. Due to their unique design and versatility...

Independent Innovation of Many Key Technologies of Plug Valves

1. The design of the auxiliary sealing structure for the closure of plug valves: vacuum vulcanization and special anti-corrosion to ensure the sealing performanceThe most critical indicator in the des...

The Suitability of Inconel Valves for High-Temperature Applications

Inconel valves have rapidly gained popularity in various industries due to their outstanding performance and durability in high-temperature applications. These valves, produced by Weidouli Valves, off...

News

Company News Industry News Blog

WSV Manual Valve

Ball Valves Gate Valves Butterfly Valves Plug Valves Globe Valves Check Valves Discharge Valves Strainers Valve Accessories

TZNT Control Valve

Linear Motion Control Valves Rotary Motion Control Valves

Update news Back to Work | Galloping into a New Journey: WSV Valve Embarks on a Bold New Chapter

Feb 27 , 2026

Annual Meeting | Joining Forces for a Shared Future

Jan 13 , 2026

Guide to the Selection of Plug Type Valves

Nov 29 , 2025