气动无导流孔平板闸阀（单闸板、双闸板）：Z6s43WF、Z6s43WDF、Z6s43WY、Z6s43WbF、Z6s43WbD、Z6s43WbYZ6s44WF、Z6s44WDF、Z6s44WY、Z6s44WbF、Z6s44WbD、Z6s44WbY注：抗硫阀门型号前加〝K〞、调节阀阀门型号前加〝L〞、耐磨型F后加〝M〞。磁翻板液位计电动调节阀电动球阀)