恒温混水阀 011-4090

Thermostatic mixing valves blend hot water with cold water to ensure constant, safe water temperatures that prevent scalding. Class 11 includes valves for plumbing and heating and cooling installations regardless of material composition. If not for these purposes, note that manually operated metal valves are in Class 6; valves being machine parts and engine valves for vehicles and machinery are in Class 7; automatic control valves are in Class 9; rubber, manually operated valves are in Class 17 and plastic, manually operated valves are in Class 20.