This part of GB/T 35451 specifies the terms,definitions,symbols and abbreviations,material,product classification and designation,pipe construction and jointing methods,requirements,test methods,inspection regulation,marking,transportation and storage of polypropylene(PP)double wall corrugated pipes(hereinafter referred to as pipes)for underground drainage and sewerage.
This part is applicable to polypropylene double-wall corrugated pipes for non-pressure underground drainage and sewerage with a long-term working temperature up to 45 ℃.
By taking into account of the chemical and thermal resistance of the material,it can also be used in non-pressure systems for industrial underground drainage and sewage.
定价: 648元 / 折扣价: 551 元 加购物车
This part of GB/T 35341 specifies the terms,definitions,symbols and abbreviations,material,pipe classification,designation of wall construction and jointing methods,requirements,test methods,inspection rules,marking,transportation and storage of polypropylene(PP)spirally enwound structure-wall pipes(hereinafter referred to as pipes)for underground drainage and sewage.
This part is applicable to the spirally enwound structure-wall pipes made from polypropylene(PP)resin with auxiliary supporting-structure of polymeric material(generally polypropylene).Information of fittings(solid wall structure)is also provided.
This part is applicable to systems of polypropylene spirally enwound structure-wall pipes for non-pressure underground drainage and sewage with a long-term working temperature up to 45℃.By taking into account of the chemical and thermal resistance of the material,it can also be used in non-pressure systems for industrial underground drainage and sewage.
定价: 840元 / 折扣价: 714 元 加购物车