Imported hard seal butterfly valve physical properties: Imported hard seal butterfly valve is a kind of dual-use products, focusing on telescopic and flange-connected butterfly valve and one. It can be within a certain range of axial expansion and contraction is conducive to thermal expansion and contraction pipes to eliminate pipe vibration and within a certain angle to overcome the misalignment of the pipeline docking axis can greatly facilitate the installation of the valve pipe With demolition. Suitable for food, beverage, medicine, pure pipeline and industrial environmental protection, water treatment, high-rise buildings, water supply pipeline for opening and closing or regulating medium flow.
Waterproof Material,Geotextile,Geocell Co., Ltd. , http://www.nsgeotextiles.com