
Product Characteristics
- Material Composition: Made from a combination of engineering plastic reinforced nylon PA, toothed stainless steel sheet, and stainless steel round material, ensuring durability, temperature resistance (-20℃ to +120℃), impact resistance, and corrosion resistance.
- Valve Compatibility: Universal butterfly valve lock fits valves with handle widths ranging from 0.59in (15mm) to 1.77in (45mm), with jaw locking height ≤1.10in (28mm), suitable for various butterfly valve sizes.
- Component Set: The kit includes 1 valve lock, 1 1.50in (38mm) steel padlock, and 1 bilingual tag, offering all necessary tools for implementing valve LOTO procedures.
- Flexible Locking: Features different jaw sizes to lock butterfly valves of various dimensions, providing strong flexibility and ensuring a secure fit.
- Industry Applicability: Designed for use in industrial, chemical, electronic, petroleum, coal, and flammable-explosive environments, complying with safety regulations for valve lockout.
Usage Method
- Identify the butterfly valve with a handle width between 0.59in (15mm) and 1.77in (45mm) that requires lockout.
- Position the valve lock’s jaw around the butterfly valve handle, ensuring the jaw locking height is ≤1.10in (28mm) and the jaw fits securely based on the handle width.
- Insert the 1.50in (38mm) steel padlock into the valve lock to secure it, preventing the valve from being operated.
- Attach the bilingual tag to the padlock or valve, clearly indicating the lockout status, personnel involved, and reason for lockout.
- Verify that the lockout is secure, the jaw is properly fitted, and the tag is visible. When the work is completed and it is safe to remove the lockout, remove the tag, padlock, and valve lock in sequence.
Application Scenarios
- Industrial & Chemical Plants: Implementing valve LOTO procedures on butterfly valves in sectors like chemical, petroleum, and manufacturing to prevent accidental valve operation.
- Valve Maintenance: Securing butterfly valves during maintenance, repair, or inspection tasks to ensure worker safety and equipment integrity.
- Hazardous Environments: Meeting safety regulations in flammable-explosive environments where valve lockout is mandatory to prevent hazards and ensure operational safety.









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