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

How to Fill the Pneumatic Actuated Ball Valve?

Due to its compact structure, the pneumatic valve is easy to operate and maintain, it is suitable for general working media such as water, acid and natural gas, and is suitable for occasions with hars...

Heating Up Efficiency: Manual Regulating Valves in Thermal Process Control

In any thermal process control system, the efficiency of operations is of paramount importance. Efficient control not only ensures optimal performance but also contributes to energy and cost savings. ...

The Difference Between Rising Stem Gate Valve and Non-rising Stem Gate Valve?

Gate valve has the characteristics of small fluid resistance, wide range of applicable pressure and temperature, and is the most commonly used cut-off valve, used for cutting off or connecting the med...

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 Annual Meeting | Joining Forces for a Shared Future

Jan 13 , 2026

Guide to the Selection of Plug Type Valves

Nov 29 , 2025

Understanding Hand Ball Valves

Nov 25 , 2025