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HC42X止回閥產品概況

HC42X止回閥產品簡介:

HC42X止回閥產品可用在清水、污水、海水等介質的排水水泵出口管道上，既能用于防止停泵時有壓水流對水泵的沖擊，又能防止介質的倒流，保證管線的使用安全。它具有結構新穎、體積小、重量輕、流體阻力小、密封可靠、啟閉平穩、使用壽命長、關閉無噪聲等特點。

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：Main Performance Parameters:

公稱壓力Nominal Pressure( bar)		10	16	25
試驗壓力（MPa） TestingPressure	殼體Shell	1.5	2.4	3.75
	密封Seal	1.1	1.76	2.75
鑄鐵法蘭連接標準 Cast Iron Flange Standard		GB/T 17241.6-98
鑄鋼法蘭連接標準 Carbon Steel Flange Standard		GB/T 9113.1-2000

HC42X止回閥主要零部件材質：Materials of Main Parts:

名稱 Name	材料 Material
閥體，導流體 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