JIS-10K日标铸铁消声止回阀技术参数:
Application |
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1 |
Face to Face is According to JIS-10K |
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2 |
Flange drilled is According to JIS B2212 |
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Test |
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Workingpressure |
10K |
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TestpressureShell |
21.1kgf/cm2 |
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Seat |
15.0kgf/cm2 |
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Components |
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阀体Body |
CAST IRON(FC20) |
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阀座SEAT RING |
CAST BRONZE (B62) |
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阀板DISC |
NBR |
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弹簧SPRING |
STAINLESS STEEL (SS304) |
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阀杆STEM |
BRASS(C3771) |
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Dimensions |
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DN |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
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|
2'' |
2.5'' |
3'' |
4'' |
5'' |
6'' |
8'' |
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L |
183 |
200 |
210 |
217 |
255 |
285 |
420 |
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H |
160 |
170 |
180 |
190 |
220 |
255 |
290 |
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D |
155 |
175 |
185 |
210 |
250 |
280 |
330 |
JIS-10K日标铸铁消声止回阀的作用是阻止反方向流动,只允许介质向一个方向流动。通常这种阀门是自动工作的,在一个方向流动的流体压力作用下,阀瓣打开;流体反方向流动时,由流体压力和阀瓣的自重合阀瓣作用于阀座,从而切断流动。