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sand trap louvers calculation

sand trap louvers calculation

sand trap louvers calculation

(OP)
i have 3200 CFM must go through sand trap louvers ? i need calculation and how to calculate it ?

RE: sand trap louvers calculation

Check with the manufacturer for availability of a hand operated calculator similar to a slide rule.

RE: sand trap louvers calculation

What exactly are you tying to calculate?

Manufacturer should provide the free area(s) for their louvers and a maximum rated velocity to prevent 'sand'(?) penetration.
They should also provide pressure losses through their louvers as the functions for this will vary depending on the louver geometry.

RE: sand trap louvers calculation

For normal operation condition the sand trap louvers
should be selected for a maximum free area velocity
of 600 feet per minute (FPM).
Example:
Given:
Airflow: 2658 CFM
Assumed free area velocity: 600 FPM
Calculate for free area, neck size and pressure
drop.
1. Free Area = 2658 CFM / 600 FPM = 4.43 ft².
2. From Free Area Chart the outer frame size is
48in X 48in ( W1 X H1 ).
3. From Table 1 neck size is 1100mm X 1100mm
( W X H ).
4. Pressure drop = 0.151 in. W.G. (38Pa).
Note:
For optional screens the pressure drop is
additive and to be calculated separately.

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