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詳細(xì)介紹
HC42X止回閥產(chǎn)品概況
HC42X止回閥產(chǎn)品簡(jiǎn)介:
HC42X止回閥產(chǎn)品可用在清水、污水、海水等介質(zhì)的排水水泵出口管道上，既能用于防止停泵時(shí)有壓水流對(duì)水泵的沖擊，又能防止介質(zhì)的倒流，保證管線的使用安全。它具有結(jié)構(gòu)新穎、體積小、重量輕、流體阻力小、密封可靠、啟閉平穩(wěn)、使用壽命長(zhǎng)、關(guān)閉無噪聲等特點(diǎn)。
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止回閥主要性能參數(shù)：Main Performance Parameters:
| 公稱壓力Nominal Pressure( bar) | 10 | 16 | 25 | |
| 試驗(yàn)壓力（MPa） TestingPressure | 殼 體Shell | 1.5 | 2.4 | 3.75 |
| 密 封Seal | 1.1 | 1.76 | 2.75 | |
| 鑄鐵法蘭連接標(biāo)準(zhǔn) Cast Iron Flange Standard | GB/T 17241.6-98 | |||
| 鑄鋼法蘭連接標(biāo)準(zhǔn) Carbon Steel Flange Standard | GB/T 9113.1-2000 | |||
HC42X止回閥主要零部件材質(zhì)：Materials of Main Parts:
| 名 稱 Name | 材 料 Material |
| 閥體，導(dǎo)流體 Body, Flow deflector | 鑄鐵，球墨鑄鐵，鑄鋼 Cast Iron，Ductile Bronze，Carbon Steel |
| 閥座，軸瓦，閥瓣，軸 Seat, Bearing bush, Valve petal, Stem | 青銅或不銹鋼Bronze，Stainless Steel |
| 彈 簧Spring | 不銹鋼Stainless Steel |
HC42X止回閥主要外形尺寸及連接尺寸：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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