... middle pressure or corrosive gas, liquid 2also called gridding pipe and snakeskin pipe Fiber Enhancing Soft Pipe Unit The PVC Fiber Enhancing ... is mainly used to convey the middle pressure or corrosive gas and liquid,it is widely used in such areas as ... ,chemical industry,agriculture irrigation,civil application(solar energy water heater,gas-jar),also it can be used in irrigating garden and ...