Industrial Duct Isolation Dampers For Boiler , Hot Cold Air Duct , Flue Air Duct

Industrial Isolation Damper for boiler, hot, cold air duct, flue air duct

Product description

The adjustment of the bezel door using steel plate compression welding structure, the blade is the two ends of the sharp angle of the streamlined diamond-shaped structure, can change the distribution of the tail of the air flow. The regulation characteristic is that the coefficient of resistance is approximately linear proportional to the opening degree of the blade in the range of 25 to 75 degrees. The door has electric, manual, pneumatic and other driving methods.

Features

1. The damper for positive pressure hot air system is equipped with a sealed air interface at the shaft end bearing, which can enter the sealed air to block the internal and external heat leakage.
2. There are two types of regulating dampers: ordinary and sealed. The ordinary regulating damper only plays a regulating role. Need to be used in conjunction with other types of isolation doors; sealed adjustment doors have both adjustment and isolation functions. For small-capacity units, it is not necessary to close the damper or isolation door. 

Advantages

1. Both sides of the blade of the sealed regulating damper and the sides of the two shafts inside the frame are pressed with stainless steel seals. When the blade is closed, it is tightly adhered to the inside of the steel pipe and the frame, which ensures the sealing effect and absorbs the thermal expansion of the blade when it is heated .
2. The self-lubricating self-aligning spherical bearing is adopted for the adjusting door bearing, which can absorb the deflection reaction force caused by the pressure of the blade, thereby ensuring that the damper rotates flexibly and does not get stuck.

Specifications

1. The width (W) or length (L) in the damper specification refers to the inner dimension of the damper section, which is generally consistent with the inner dimension of the pipe. W is the vertical dimension of the blade (that is, the direction of the exit axis), and L is the length of the blade Size, and the L size should be in the horizontal plane, and the thickness of the damper is 450mm.
2. The damper specifications are designed and manufactured according to the user's pipe section size requirements.
3. The technical parameters such as the use, location, medium, pressure, temperature of the damper in the pipeline must be provided for the order.
4. Scope of delivery: damper body, driving device and connection accessories.

Technique Parameters

Main technical parameters of damper:
Maximum working pressure: <2000mmH2O;
Maximum working temperature: <600 ° C;
Working medium: cold, hot air or smoke;
Sealing air pressure: 50mmh2o higher than the medium pressure in the system
Stroke: 0 ~ 90 °;
Air leakage rate at all closures: <1% (sealed structure);
The technical parameters of this product can be customized according to the special requirements of users.