without tool, this versatile collar rings superior durability and compatibility, providing a cost effective solution for maintaining valves integrity across various devices Perfect for environments such as production lines, repair workshops, and household settings, the G57 Collar Rings ensures consistent in high temperature or high pressure conditions Designed for users of industrial machinery, home appliances, and mechanical equipment, this replacement part is ideal for technicians and enthusiasts handling models like 180, 280, and G52 Back Up Valves Collar With precisely engineered thickness ensuring over 95% sealing efficiency, this valves collar minimizes risks of air or liquid leaks in fluid controls systems, making it suitable for both and liquid applications The Collar Rings Replacement features wear resistant materials that provide sealing, reducing leaks and extending equipment lifespans for stable valves maintenance