pvc double wall corrugated pipe, ho-pipe industry, pvc double wall corrugated pipe procurement provided by the ho-pipe industry. pvc double wall corrugated pipe, ho-pipe industry, pvc double wall corrugated pipe procurement is ho-Pipe Co., Ltd., Zhengzhou (www.zzhtgy.com) 2014 upgrade been newly launched Zhengzhou Haotong Pipe Co., Ltd., is a relatively large municipal Central Plains HDPE double wall corrugated sewer pipe manufacturer within one 1U-PVC pipes used in building pipes and fittings should be used 1.6MPa nominal level; pipe connection should be used pvc double wall corrugated pipe socket bond news, may also have rubber seals ring connection. When the pipe and metal pipe threaded pvc double wall corrugated pipe orders should be used for injection molding of the outer threaded fittings. When the pipe with metal pipes and accessories for the flange connection pvc double wall corrugated pipe procurement, should adopt the injection molding jacket with metal flange socket connection flanges. Hydrant piping and joints should be used to strengthen plastic pipe fittings, inlaid metal or corrosion-resistant metal fittings. Zhengzhou Haotong Pipe Co., Ltd., is a large Central Plains municipal drains one double-wall corrugated HDPE pipe manufacturer porous Plum Plum seven holes of large diameter pipe bellows variable loads (live load), during the period the design basis, its value changes over time, and the change in value and can not be neglected compared to the average load such as floor live load, roof live load and fouling loads, crane load, wind load, snow load, etc.