Impact resistant and insulated: The adjustable ball valve lock is built with materials to provide secure use. It offers corrosion resistance and impact resistance, with good insulation for reliable operation in demanding environments. Safe for flammable and explosive places: The valve latch is suitable for industrial, chemical, electrical, petroleum, coal mine settings and other flammable and explosive locations, helping prevent unauthorized valve operation in hazardous areas. Wide compatibility and adjustable blocking area: Designed to fit ball valves with pipe diameters from 1.3 cm to 6.4 cm (approximately DN8 to DN50). The locking device accommodates closed valves with a blocking area that adapts between 1.3 cm and 3.2 cm depending on valve position. Durable and practical design: Built for long service life in challenging conditions, offering reliable performance and straightforward installation and locking. Materials and performance: Constructed from materials to ensure sturdy use, strong locking capability, and resistance to wear in industrial applications. Practical use scenarios: Maintenance shutdowns in chemical plants to lock out valves and prevent accidental operation. Repairs in oil, gas, petroleum, or mining facilities where secure valve lockout is required for safety. Lockout in electrical utility environments or other hazardous locations to comply with safety procedures during service.