氧气专用截止阀YJ41H-16,YJ41H-16C,YJ41H-25,YJ41H-25C,YJ41H-40,YJ41H-40C,

强度


2.4


3.75


6.0




密封


1.76


2.75


4.4




适用温度


200℃

01/22 03:01