Marine Adjustable Damper
- Rectangular Pull Ring Type Adjustable Damper CB/T 3726-1995 Type F
- Rectangular Adjustable Hinge Type Damper CB/T 3726-1995 Type G
- Rectangular Adjustable Lever Type Damper CB/T 3726-1995 Type E
- Rectangular Adjustable Simple Type Damper CB/T 3726-1995 Type D
- Cylindric Adjustable Simple Type Damper CB/T 3726-1995 Type C
- Circular Adjustable Sealed Type Damper CB/T 3726-1995 Type B
- Circular Adjustable Damper for Air Piping of Marine Ventilation System CB/T 3726-1995 Type A