Circular Adjustable Sealed Type Damper CB/T 3726-1995 Type B

Product Description

Round Adjustable Sealed Type Damper CB/T 3726-1995 Type B


The Adjustable damper is also called the air volume control valve, which is used to seal the pipeline and adjust and distribute the air volume. 


All models in the standard of CB/T 3726-1995 are manual operation type with a hand lever. they are suitable for various types of ship ventilation systems, but not for thermally insulated spiral ducts.


Type B  of CB/T 3726-1995 is round sealed type while Type A is round ordinary type. Type A are available in another link.


3726-1995 Type B Adjustable Damper Structure:


Dimensions Data Sheet of each Nominal Size-3726-1995 Type B Adjustable Damper

Nominal Main Size Weight
DN D D1 L0≈ h H≈ n kg≈
80 135 116 140 25 117 4 2.5
100 155 136 130 6 2.8
125 180 161 148 160 3.6
150 205 186 172 4.3
175 230 211 184 8 4.7
200 255 236 196 5.4
250 305 286 222 12 6.5
300 355 336 152 30 250 9.3
350 405 386 275 10.8
400 455 436 172 300 16 12.8


Product Inquiry

Rectangular Adjustable Hinge Type Damper CB/T 3726-1995 Type G

Rectangular Adjustable Simple Type Damper CB/T 3726-1995 Type D

Circular Adjustable Damper for Air Piping of Marine Ventilation System CB/T 3726-1995 Type A

Rectangular Adjustable Lever Type Damper CB/T 3726-1995 Type E

Rectangular Pull Ring Type Adjustable Damper CB/T 3726-1995 Type F

Cylindric Adjustable Simple Type Damper CB/T 3726-1995 Type C