General description DN20 Rotary Compression Brass Shut Off Valve is designed for easy operation and durability. Its unique design allows for a straightforward opening and closing mechanism, making it user-friendly. The valve is suitable for various applications, including mechanical, chemical, and industrial equipment. Technical specifications Material: High-quality brass Type: Internal thread Function: 6-minute copper shut off Size: 1 inch Usage Suitable for water, oil, steam, and gas Ideal for use in mechanical equipment, chemical equipment, industrial equipment, water supply and drainage equipment, pharmaceutical equipment, and petrochemical equipment