| 详细介绍：
HC42X静音止回阀产品概况
HC42X静音止回阀产品简介:
HC42X静音止回阀产品可用在清水、污水、海水等介质的排水水泵出口管道上，既能用于防止停泵时有压水流对水泵的冲击，又能防止介质的倒流，保证管线的使用安全。它具有结构新颖、体积小、重量轻、流体阻力小、密封可靠、启闭平稳、使用寿命长、关闭无噪声等特点。
Product Brief Introduction:
The valve is installed at the outlet of pump and suited to prevent media from flowing backwards and eliminate effectively damageable water hammer in pipelines flowing media of fresh water , polluted water , sea water. It has character as followings: modern structure ,small volume ,light weight ,low resistance ,reliable seal ,stable operation , long duration ,small volume.
HC42X静音止回阀主要性能参数：Main Performance Parameters:
|
公称压力Nominal Pressure( bar)
|
10
|
16
|
25
|
|
试验压力（MPa）
TestingPressure
|
壳 体Shell
|
1.5
|
2.4
|
3.75
|
|
密 封Seal
|
1.1
|
1.76
|
2.75
|
|
铸铁法兰连接标准
Cast Iron Flange Standard
|
GB/T 17241.6-98
|
|
铸钢法兰连接标准
Carbon Steel Flange Standard
|
GB/T 9113.1-2000
|
HC42X静音止回阀主要零部件材质：Materials of Main Parts:
|
名 称 Name
|
材 料 Material
|
|
阀体，导流体
Body, Flow deflector
|
铸铁，球墨铸铁，铸钢 Cast Iron，Ductile Bronze，Carbon Steel
|
|
阀座，轴瓦，阀瓣，轴
Seat, Bearing bush,
Valve petal, Stem
|
青铜或不锈钢Bronze，Stainless Steel
|
|
弹 簧Spring
|
不锈钢Stainless Steel
|
HC42X静音止回阀主要外形尺寸及连接尺寸：Outline Dimensions & Connection Dimensions:
|
DN(mm)
|
L
|
|
50
|
120
|
|
65
|
150
|
|
80
|
180
|
|
100
|
240
|
|
125
|
300
|
|
150
|
350
|
|
200
|
450
|
|
250
|
500
|
|
300
|
550
|
|
350
|
575
|
|
400
|
600
|
|
450
|
650
|
|
500
|
700
|
|
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