Carbon steel low resistance backflow preventer LHS743X-16C

LHS743XLow resistance backflow preventerMainly used for urban water supply and other water supply units to the general pollution units when strictly limited to the pipeline pressure water can only flow one-way hydraulic control combination device. Its function is to absolutely prevent the medium in the pipeline from flowing backward or siphoning backward under any working condition, so as to achieve the purpose of avoiding backward flow pollution. The product has a small noise, low flow resistance, smooth and sensitive operation, easy installation and maintenance, long service life and other significant features. Widely used in various types of construction, fire, industrial and mining, hospitals, gardens, water treatment and other systems in the water supply network need to prevent backflow pollution occasions.

Product Features

• 由前后两个check valveand intermediate automatic drains consist of.

• 在前后止回阀产生渗漏时，能够自动排水，阻断回流，严格防止回流污染，保护上游管道内的水质。

• 超低水损、节能显著：水头损失小于0.04Mpa。

• 空气隔断、自动排水：在回流状态发生时，主阀关闭时，排水器自动开启、中间腔泄压为零，主阀的上下游之间实现空气隔断或零压隔断，隔断性能安全可靠。

• 节地节材、安装灵活:外形小、自重轻，结构长度仅为现有同类产品的30％；可以水平或垂直安装。

Product Parameters

Product Size Reference