|
JIS-10K(PN16、PN10)
|
|
FIG.066N-铸铁缓冲式止回阀
|
|
CAST IRON SILENT CHECK VALVE |
|
Renewable body & disc seat rings,Leader disc,Prevention water hammer.
|
|
|
|
|
零件 PART
|
材质 MATERIAL
|
| 阀体 BODY |
CAST IRON (FC20) |
| 阀盘 DISC |
CAST BRASS(YBSC3)2"~3"
DUCTILE IRON(FCD45)4"~12"
|
| 阀座 BODY SEAT |
CAST BRASS (YBSC3) |
| 阀座环 SEAT RING |
NBR |
| 阀杆 STEM |
BRASS (B16) |
| 弹簧 SPRING |
STAINLESS STEEL (304) |
|
|
尺寸
|
2
|
21/2
|
3
|
4
|
5
|
6
|
8
|
10
|
12
|
|
L
|
157
|
200
|
210
|
220
|
258
|
280
|
280
|
315
|
370
|
|
D
|
155
|
175
|
185
|
210
|
250
|
280
|
330
|
400
|
445
|
|
|
*高使用压力
|
试验压力(水压)
|
| 80°C以下之静流水 |
80°C以下之脉动水 |
阀体
|
阀座
|
| 14.0kg f/cm2 |
10.0kg f/cm2 |
21.1kg f/cm2
|
15.4kg f/cm2
|
|
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