HDPEȼÆø¹ÜÉϱêµÄSDRÊÇָʲô£¿¹«º£²Ê´¬¹ÜÒµµÄС±à½éÉÜ£¬HDPEȼÆø¹ÜÉÏͨ³£»á±ê×¢²úÆ·µÄ¹æ¸ñ£¬È磺DN110*SDR11¡¢DN400*SDR21µÈ¡£ÆäÖÐDN´ú±í¹«³ÆÍ⾶£¬µ¥Î»ÊÇmm£¬SDRÖ¸¾ÛÒÒÏ©¹ÜµÀµÄ±ê×¼³ß´ç±È£¬¼´ÊÇÍ⾶ºÍ±ÚºñµÄ±ÈÖµ¡£
DN110*SDR11¼´Ö¸Í⾶110mm£¬Í⾶/±Úºñ=11£¬±ÚºñÔ¼10mm¡£
DN110*SDR17¼´Ö¸Í⾶110mm£¬Í⾶/±Úºñ=17£¬±ÚºñÔ¼6.6mm¡£
DN110*SDR21¼´Ö¸Í⾶110mm£¬Í⾶/±Úºñ=21£¬±ÚºñÔ¼5.3mm¡£
DN110*SDR26¼´Ö¸Í⾶110mm£¬Í⾶/±Úºñ=26£¬±ÚºñÔ¼4.2mm¡£
ÓÉ´Ë¿ÉÒԵóö£¬Í⾶DNÏàͬµÄÇé¿öÏ£¬SDRÊýÖµÔ½´ó¹Ü²ÄµÄ±ÚºñԽС£¬±Úºñ´Ó´óµ½Ð¡ÎªSDR11>SDR17>SDR21>SDR26£¬ËùÒÔ¼Û¸ñ¾ÍÔ½¹óµÄ¡£
DN110*SDR11¼´Ö¸Í⾶110mm£¬Í⾶/±Úºñ=11£¬±ÚºñÔ¼10mm¡£
DN200*SDR11¼´Ö¸Í⾶200mm£¬Í⾶/±Úºñ=11£¬±ÚºñÔ¼18.2mm¡£
DN315*SDR11¼´Ö¸Í⾶315mm£¬Í⾶/±Úºñ=11£¬±ÚºñÔ¼28.6mm¡£
DN400*SDR11¼´Ö¸Í⾶400mm£¬Í⾶/±Úºñ=11£¬±ÚºñÔ¼36.4mm¡£
ÓÉ´Ë¿ÉÒԵóö£¬Í⾶/±ÚºñSDR±ÈÏàͬµÄÇé¿öÏ£¬Í⾶DNÊýÖµÔ½´ó¹Ü²ÄµÄ±ÚºñÔ½´ó£¬±Úºñ´Ó´óµ½Ð¡ÎªDN400>DN315>DN200>DN110£¬ËùÒÔ¼Û¸ñ¾ÍÔ½¹óµÄ¡£