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Beckett Air Inlet Ring and Cover Plate Specifications

All measurements are in decimal inches. These inlet rings are designed to fit the Beckett Air Blower Housings.

Inlet Ring Dimensional Reference Diagram   |   Fraction/decimal conversions

Inlet Number

Fits Blower Housing:

Cover Plate

Material
Thickness

A
Outside Diameter

Form Type

B

C

D

F

G
B253 B250 255 0.036 3.25 J-1 2.94 0.2 3 0.28 2.19
B303 B250-C, B300 305 0.036 3.81 J-1 3.50 0.2 3 0.31 2.63
B328 B300-C 330 0.036 4.63 J-1 4.25 0.2 3 0.31 3.25
B353 B350 355 0.036 4.88 J-1 4.44 0.2 3 0.31 3.25
B378 B375 380 0.036 5.94 J-2 5.50 0.2 3 0.5 3.56
B379 B375 380 0.036 5.94 J-1 5.50 0.2 3 0.31 4.22
B403 B500, B525-C 505 0.036 6.88 J-1 6.38 0.2 3 0.31 4.19
B453 B350-C, B425, B450, B1223 455 0.036 5.75 J-1 5.38 0.2 3 0.31 4.19
B454 B350-C, B425, B450, B1223 455 0.036 5.75 J-2 5.38 0.2 3 0.5 3.56
B478 B475 480 0.036 6.31 J-2 6.00 .16 3 .59 4.50
B479 B475-C, B600 480-C 0.036 6.75 J-2 6.50 0.16 4 0.59 4.75
B503 B500, B525-C 505 0.036 6.88 J-1 6.38 0.2 3 0.5 4.75
B517 B450-C, B415, B525 530 0.036 6.13 J-1 5.75 0.2 3 0.31 4.19
B528 B450-C, B415, B525 530 0.036 6.13 J-1 5.75 0.2 3 0.5 4.72
B529 B450-C, B415, B525 530 0.036 6.13 J-2 5.75 0.2 3 0.5 3.88
B603 B600-C, B615, B650 605 0.036 7.5 J-1 7.19 0.16 4 0.5 5.53
B604 B500, B525-C 505 0.036 6.88 J-2 6.38 0.2 3 0.46 5.03
B609 B500-C, B625 630 0.036 7.31 J-2 6.88 0.2 4 0.5 4.41
B619 B600-C, B615, B650 605 0.036 7.5 J-2 7.19 0.16 4 0.46 5.03
B628 B500-C, B625 630 0.036 7.31 J-1 6.88 0.2 4 0.5 5.53
B629 B500-C, B625 630 0.036 7.31 J-2 6.88 0.2 4 0.46 5.03
B703 B700, B1216 705 0.048 8.63 J-1 8.25 0.2 5 0.70 6.66
B704 B700, B1216 705 0.048 8.63 J-2 8.25 0.2 5 0.54 5.75
B753 B625-C, B750 755 0.048 9.00 J-1 8.50 0.2 5 0.64 6.78
B754 B625-C, B750 755 0.048 9.00 J-2 8.50 0.2 5 0.83 6.25
B756 B625-C, B750 755 0.048 9.00 J-2 8.50 0.2 5 0.54 5.75
B803 B750-C, B800, B1214 905 0.048 10.69 J-1 10 0.2 5 0.64 6.78
B804 B750-C, B800, B1214 905 0.048 10.69 J-2 10 0.2 5 0.83 6.25
B809 B750-C, B800, B1214 905 0.048 10.69 J-2 10 0.2 5 0.59 7.19
B903 B750-C, B800, B1214 905 0.048 10.69 J-1 10 0.2 5 1.06 8.5
B904 B750-C, B800, B1214 905 0.048 10.69 J-2 10 0.2 5 0.63 7.63
B1003 B1000, B1250 1005 0.06 12.56 J-1 11.75 0.25 6 0.88 9


Wheel Specifications: | Single Fergas | Double Fergas | Single Strip | Double Strip | Backward Inclined | Mixed Flow


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