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what are the common classification models of air volume control valves?
2022-09-21
As a ventilation device in a modern smoke prevention and exhaust system, you may not be unfamiliar with the air volume control valve. It is mainly used to adjust the air volume in the pipeline.
Usually, the air volume control valve is divided into two main types, "manual and electric", namely "manual air volume control valve and electric air volume control valve", also known as "manual air valve and electric air valve".
1. Manual air valve
Manual dampers are divided into "handle dampers and handwheel dampers".
Among them, the handle-type air valve is divided into "round air valve, square air valve, rectangular air valve".
According to the actual needs of thermal insulation, there are two types of dampers: "ordinary dampers and thermal dampers"; among them, the thermal insulation material of thermal dampers is 35mm polystyrene.
Shuangxin air valve often model:
T302-7 Round Steel Butterfly Valve (Handle Type)
T302-7(Ⅱ) Thermal Insulation Round Steel Butterfly Valve (Handle Type)
T308-8 Square Steel Butterfly Valve (Handle Type)
T308-8(Ⅱ) Insulation type square steel butterfly valve (handle type)
T308-9 Rectangular Steel Butterfly Valve (Handle Type)
T308-9(Ⅱ) Thermal Insulation Rectangular Steel Butterfly Valve (Handle Type)
T306-1 Three-way regulating valve (handle type)
In addition, T308-2B and T308-2L are non-insulated types.
2. Electric air valve
There are two types of power supply for the electric damper mechanism: the power supply is AC220V (default power supply) and the power supply is DC24V.
If DC24V power supply is required in the pipeline, it needs to be indicated when ordering.
Note: For the incoming air valve, the user can be equipped with "manual adjustment function and thermal insulation type" according to actual needs.
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