Weidouli Control Valves Have Sil Qualification.

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.

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