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1.Plastic pipe installation time,Should consider environmental temperature to install quality’s affection,Ordinary will be temperature higher than 40℃or under0℃time,Should not Construction installation.2.Because plastic pipe lineal expansion coefficient big,Ordinary for steel products 8 time about,At installation time want consideration caloric compensation,Ordinary as self ignition compensation give first place to,Also can adopt forgather four fluorine ethylenes ripple bloat section proceed compensation,Or rubber equalizer.3.Towards overhead laying’s pipe should adopt administer hold in the plam sustain.Administers hold in the palm useable angle steel,To cuts open’s steel tube material,Makea pipe at administer hold in the palm on can since.By flex,Pipenline bracket distance see under watch.4.Towards buries field laying installation’s pipe ordinary cover up depth for 0.7 metre below,Ands otherwise incur surface transportation affection,Digs’s administer ditch should neat,And bilateral stone bottom ditch,Brickbat,Glass firm thing brightness neatness.Again soil use high-quality’s backfill soil,Will fill up soil closely knit surrounding pipe,not dose shoud ooze have detritus.管材塑性加工是以管材作毛坯，通过各种塑性加工手段.制造管材零件的加工技术。实际上，PPH管材管材塑性加工是指对管用于塑性加工的管材，按材质的不同可分为钢管和有色金属管两类。根据管材的断面形状，可分为圆形管和异形管。圆形管的规格一般用外径X壁厚表示。
