Brand Name: ZHONGBAO
Model Number: QF--3J,QF--4J,QF--5J,QF--6J,QF--7J,QF--8J,QF--12J
Place of Origin: ZHEJIANG
Ball valve/ Service valve
Application:
Ball valve is mainly applied to the split air- conditioner that connects indoor unit and outdoor unit or other refrigeration circuit system to open or close the inner path by operating the valve stem (Rotate the ball valve stem 90°clockwise to close the path, conversely, to open it.) It can work as a service valve for vacuum pumping or refrigerant injection during maintenance.
Features:
High stability
Low pressure drop
Easy operation
Working condition:
Applicable refrigerant: R22, R407C, R410A etc.
Applicable medium temperature: -30℃~+120℃
Applicable environmental temperature: -30℃~+55℃
Maximum working pressure: 4.2 Mpa.
Notes:
Pls keep the body cool and not more than 120℃ by wet rag in brazing process.
And pls mare sure the valve is completely open or complete close when it is in use.
The material of the seal ring and the kind of lubricant shall match with the refrigerant in use.
For the ball valves with access fitting, valve core shall be removed during brazing
Don’t braze when valve is in close position.