K22J-W系列是二位二通管接截止式換向閥。該閥結構合理，動作可靠，維修方便，尤其適用於較為惡劣的工作環境。分電控和氣控兩種。
K22J-W series is pipe ?tting shut-off directional valves 2/2 way. Streamlined structure, reliable action easy of maintenance, and especially suited to tough work conditions. Two types: electrically controlled and pneumatical controlled..