BAB20,BAB25,BAB32,BAB40,BAB50,BAB65,BAB80,BAB100,BAB,超薄球阀
BAB20-PN16,BAB25-PN16,BAB32-PN16,BAB40-PN16,BAB50-PN16,BAB65-PN16,BAB80-PN16,BAB100-PN16
BAB20-PN25,BAB25-PN25,BAB32-PN25,BAB40-PN25,BAB50-PN25,BAB65-PN25,BAB80-PN25,BAB100-PN25
BAB20-PN40,BAB25-PN40,BAB32-PN40,BAB40-PN40,BAB50-PN40,BAB65-PN40,BAB80-PN40,BAB100-PN40