MATERIALS OF MAIN PARTS
Flap valve belong to non-return value which is opened under the pressure of medium and closed by the weight of itself.It is mainly used in sewage water project and may be used in water system.
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Tieling low pressure valve Co., Ltd. 遼ICP備20010283號(hào)
TEL：024-74503681
FAX：024-74503686
MOBILE：18624100555
ADDRESS：No.59, ZhenXiPu Industrial Park, Tieling City, Liaoning Province, P.R.China
