50-300LBP-DN40,
Q42Y-150-300LBP-DN50,Q42Y-150-300LBP-DN65,Q42Y-150-300LBP-DN80,Q42Y-150-300LBP-DN100,Q42Y-150-300LBP-DN125,Q42Y-150-300LBP-DN150,Q42Y-150-300LBP-DN200,
Q42Y-150-300LBR-DN15,Q42Y-150-300LBR-DN20,Q42Y-150-300LBR-DN25,Q42Y-150-300LBR-DN32,Q42Y-150-300LBR-DN40,Q42Y-150-300LBR-DN50,Q42Y-150-300LBR-DN65,
Q42Y-150-300LBR-DN80,Q42Y-150-300LBR-DN100,Q42Y-150-300LBR-DN125,Q42Y-150-300LBR-DN150,Q42Y-150-300LBR-DN200,
Y型三通球阀的阀座密封根据工况不同，可分别采用软密封、喷焊镍基合金（硬度