r r HDPE双壁波纹管材产品规格、尺寸r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r

r r 公称直径r r r DN/IDr r	r r 225r r	r r 300r r	r r 400r r	r r 500r r	r r 600r r	r r 800r r	r r 1000r r	r r 1200r r
r r 平均内径r r r dimr r	r r ≥220r r	r r ≥294r r	r r ≥392r r	r r ≥490r r	r r ≥588r r	r r ≥785r r	r r ≥985r r	r r ≥1185r r
r r 接合长度r r	r r ≥55r r	r r ≥64r r	r r ≥74r r	r r ≥85r r	r r ≥96r r	r r ≥118r r	r r ≥140r r	r r ≥162r r
r r 管材长度r r	r r ≥6000r r
r r 注：管材长度一般为6米，如需其它长度可根据用户要求定制r r

r r r “越财”牌埋地排水用聚乙烯双壁波纹管按**标准BG/T19472.1－2004生产，经有关检测机构检测，产品物理力学性能达到或超过下列指标。r r r r r r r r r r r r r r r r r r r r r r r

r r 项目r r		r r 技术指标r r
r r 环刚度r r	r r SN2r r	r r ≥2KN/㎡r r
	r r SN4r r	r r ≥4KN/㎡r r
	r r SN8r r	r r ≥8KN/㎡r r

r r