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BT600 Light Duty Damper Type Butterfly Valves
Light-duty butterfly valve of series BT600 is low-pressure butterfly valve with steel plate structure which is specially designed for low pressure gas control. It also can be used for on-off and modulating control of high-temperature gas which is a kind of big capacity and low pressure gas control valve with low cost.

There are three kinds of vale seat for you to choose to meet different temperature and leakage requirements of the fluid.


 


Specifications

Body Styles

BT600

Connections

Flanged (FF, RF) Type, Butt Weld (BW)

Body Size

3”~128” (DN80~DN3200)

Body Rating

ANSI 125#, JB/HG PN0.25MPa

Fluid Temperature

-45~+650℃

Body Material

Q235B, A240-304, A240-304L, A240-316, A240-316L, etc…

Disc Material

Q235B, A240-304, A240-304L, A240-316, A240-316L, etc…

Flow Characteristics

Approximate EQ% (Inherent Characteristic)

Rangeability

70° Opening/30:1, 90° Opening/50:1

Seat Leakage

Damper Type

90°Cv x 2.0~1.0%

Back Ring Type

90°Cv x 0.3~0.1%

Actuator Combination

D100RA: Multi-spring Pneumatic Diaphragm Actuator
P100RA: Pneumatic Piston Cylinder Actuator

Inner Bearing Type(for small size and normal temperature)

Damper Type Disc
Back Seat Type Disc

out Bearing Type(for large size and high temperature)


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