Z6s43WF、Z6s43WDF、Z6S43WY、Z6s43WbF、 Z6s43WbD、Z6s43WbYZ6s44WF、Z6s44WDF、Z6S44WY、 Z6s44WbF、Z6s44WbD、Z6s44WbY抗硫阀门型号前加“K”、调节型阀门型号前加“L”、耐磨型F后加“M”规格:4"~32" in、DN100~800mm 压力:150~300Lb、PN1.0~4.0MPa 连接尺寸