平板闸阀 Flat Gate Valve

• 单闸板平板闸阀 Single Disc Flat Gate Valves
• Electric Double Disk Parallel Gate Valves电动平行式双闸板闸阀
• Double Disc Flat Gate Valves 双闸板平板闸阀
• Double Disk Parallel Gate Valves明杆平行式双闸板闸阀