口徑(英寸)
壓力等級
|
1 1/2
|
2
|
3
|
4
|
6×3
|
6
|
8×4
|
8
|
10×6
|
1500
|
○
|
○
|
○
|
○
|
○
|
○
|
○
|
○
|
○
|
300
|
○
|
○
|
○
|
○
|
○
|
○
|
○
|
○
|
○
|
600
|
○
|
○
|
○
|
○
|
---
|
○
|
---
|
○
|
---
|
900
|
---
|
○
|
○
|
○
|
---
|
○
|
---
|
○
|
---
|
1500
|
---
|
○
|
○
|
○
|
---
|
○
|
---
|
○
|
---
|
2500
|
---
|
○
|
○
|
○
|
---
|
○
|
---
|
---
|
---
|
口徑(英寸)
|
壓力等級ANSI Class
|
|||||
150
|
300
|
600
|
900
|
1500
|
2500
|
|
1 1/2
|
●□
|
●□
|
△●□
|
---
|
---
|
---
|
2
|
●□
|
●□
|
△●□
|
●□
|
●□
|
●□
|
3
|
■□
|
■□
|
■□
|
■□
|
■□
|
■□
|
4
|
■□
|
■□
|
■□
|
■□
|
■□
|
■□
|
6
|
■□
|
■□
|
■□
|
■□
|
■□
|
■
|
8
|
■□
|
■□
|
■□
|
■□
|
■□
|
---
|
10*
|
■□
|
■□
|
---
|
---
|
---
|
---
|
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