Methods of testing plastics - thermoplastics pipes , fittings and valves - resistance to environmental stress cracking of polyethylene pipes and fittings for non - pressure applications 塑料试验方法.第11部分:热塑性塑料接头和阀门.试验方法1109a :非承压聚乙烯管和接头耐坏境应力开裂性
Standard specification for 12 to 60 in . 300 to 1500 mm annular corrugated profile - wall polyethylene pipe and fittings for gravity - flow storm sewer and subsurface drainage applications 自流式雨水管和地下排水装置用12至60英寸300 to 1500 mm环形波纹状异型壁聚乙烯管和配件的标准规范
In may they had what they wanted : three - foot hoops of gaudy polyethylene tubing which could be marketed at ninety - three cents each , representing a 16 percent gross profit 到5月，他们做出了符合他们要求的东西，他们用花花绿绿的聚乙烯管做成三英尺大的圈，每只售价九角三分，可得毛利16 % 。
Thermoplastics pipes and associated fittings for hot and cold water for domestic purposes and heating installations in buildings - specification for cross - linked polyethylene pipes and associated fittings 建筑物中家用和供暖设施用的冷热水的热塑性管道与相关配件.交联聚乙烯管和相关配件规范
Pipe production line : double wall metal reinforced spiral corrugated pipe production line double wall corrugated pipe , steel plastic composite pipe and pe pipe and hdpe spiral pipe production line 管道类? ?钢骨架增强缠绕波纹管、大口径双壁波纹管、钢塑复合管以及实壁或结构壁聚乙烯管成套生产设备。
Methods of testing plastics - thermoplastics pipes , fittings and valves - plastics pipes and fittings - preparation of test piece assemblies between a polyethylene pipe and an electrofusion fitting 塑料试验方法.第11部分:热塑性塑料管,接头和阀门.试验方法1150e :塑料管和配件.聚乙烯管和电熔融接头间试件制备
Polyethylene fittings for use with polyethylene pipes for the supply of gaseous fuels - metric series - specifications - spigot fittings for butt fusion , for socket fusion using heated tools and for use with eletrofusion fittings 供应气体燃料的聚乙烯管上使用的聚乙烯管件.米制系列.规范.熔接用的通过加热器具进行的套筒熔融用的及与电熔融一起使用的配件
