资讯动态
空调与冷冻设备用制冷剂截止阀工作条件_阀门标准
|
制冷剂
|
R134a、R22
|
R407a
|
R410a
|
|
最大工作压力 MPa |
3.0
|
3.5
|
4.2
|
|
流体温度 ℃ |
-30～120
|
||
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