Engineering Data - Hart & Cooley
Engineering Data 406 18” Baseboard Diffuser (Page 6)
657/658 Baseboard Return Grille (Page 9)
Face Velocity Pressure Loss CFM Face Velocity Spread Ak .260 Pressure Loss Throw CFM
Average Face Velocity* 10 x 6 CFM Ak .38 Pt 12 x 6 CFM Ak .46 Pt 10 x 8 CFM Ak .51 Pt 14 x 6 CFM Ak .53 Pt 12 x 8 CFM Ak .61 Pt 14 x 8 CFM Ak .72 Pt 20 x 6 CFM Ak .75 Pt 16 x 8 CFM Ak .83 Pt 14 x 10 and 24 x 6 CFM Ak .92 Pt 14 x 12 CFM Ak 1.08 Pt 30 x 6 CFM Ak 1.12 Pt 24 x 8 CFM Ak 1.21 Pt 20 x 10 CFM Ak 1.25 Pt 24 x 10 and 30 x 8 CFM Ak 1.50 Pt 24 x 12 CFM Ak 1.82 Pt 30 x 10 CFM Ak 1.91 Pt 30 x 12 CFM Ak 2.25 Pt
1000 159 .053 1000 18.5 159 19.0 .053 9.0 18.5 9.5 19.0 6.0 9.0 6.0 9.5 6.0 6.0
462 & 464 Baseboard Diffusers (Page 7, 8) Airflow (CFM) CFM 2 feet Spread 27 sq. in. Throw Ak .187 Pressure Loss CFM 4 feet Spread 54 sq. in. Throw Ak .375 Pressure Loss
300 55 6.5 7.0 .009 110 12.0 7.5 .031
400 75 7.5 8.0 .017 150 15.0 9.0 .058
500 95 8.0 9.5 .029 185 17.5 10.0 .090
600 110 8.5 10.5 .038 225 19.0 11.5 .124
700 130 9.0 12.0 .054 260 20.0 12.5 .178
800 150 11.0 13.0 .072 300 21.0 13.5 .224
Terminal Velocity of 50 FPM
472 & 474 Baseboard Return (Page 7, 8) Face Velocity 2 feet CFM Ak .325 Ps 4 feet CFM Ak .650 Ps
300 100 .010 195 .015
400 130 .028 260 .026
500 165 .046 325 .040
600 195 .064 390 .060
700 230 .090 455 .078
664 Baseboard Register (Page 10)
654, 655 Baseboard/Sidewall Registers (Page 9) CFM Throw CFM Throw CFM Throw CFM Throw
300 .006 55 7.5 70 9.0 85 10.0 102 11.0
400 .010 72 10.0 92 11.5 115 13.0 135 14.5
500 .016 90 12.5 115 14.5 145 17.0 170 18.0
600 .022 108 15.0 140 17.5 175 20.0 205 22.0
700 .031 125 17.5 160 20.0 205 23.5 240 25.5
400 500 600 700 150 190 225 265 .023 .037 .052 .072 180 230 280 320 .022 .035 .051 .070 205 255 305 355 .022 .035 .050 .068 210 265 320 370 .022 .035 .050 .068 245 305 365 430 .022 .034 .049 .066 288 360 430 505 .021 .033 .047 .065 300 375 450 525 .021 .033 .047 .064 330 415 500 580 .021 .033 .046 .063 365 460 550 640 .020 .032 .045 .062 430 540 650 755 .020 .031 .045 .060 445 560 670 780 .020 .031 .044 .060 485 605 730 850 .020 .031 .044 .059 500 630 750 880 .019 .030 .043 .059 600 750 890 1040 .019 .030 .042 .057 730 910 1100 1270 .018 .029 .041 .056 760 960 1150 1330 .018 .029 .041 .055 900 1130 1350 1570 .018 .028 .040 .054
*Velocity measured 1" from face
Velocity measured on the face
Face Velocity Pressure Loss 8x6 Ak .180 10 x 6 Ak .230 12 x 6 Ak .290 14 x 6 Ak .340
300 115 .013 135 .013 150 .012 160 .012 180 .012 215 .012 225 .012 250 .012 275 .011 320 .011 335 .011 365 .011 375 .011 450 .011 550 .010 575 .010 680 .010
Engineering Data
300 400 500 600 700 800 .013 .022 .035 .048 .067 .088 80 400 105 500 130 600 155 700 180 800 210 300 4.5 6.5 7.5 8.5 9.5 11.0 .013 .022 .035 .048 .067 .088 5.0 7.0 130 8.0 155 9.0 10.0 80 105 180 11.0 210 Terminal Velocity of 50 FPM 4.5 6.5 7.5 8.5 9.5 11.0 Ak .260 Spread Throw 5.0 7.0 8.0 9.0 10.0 11.0 Face Velocity 300 400 500 600 700 800 900 Terminal Velocity of 50 FPM 406 15” Baseboard Diffuser 6) 143 CFM 48 63 79 95(Page 111 127 15" Ps .005 .009 .014 .020 .027 .035 Ak .159 Face Velocity 300 400 500 600 700 800 .044 900 Throw 50 5.5 7.5 9.0 CFM 48 63 79 11.0 95 13.0 111 14.5 127 16.5 143 15" Spread FPM 5.5 .009 7.5 .014 7.5 .020 11.5 .027 13.5 .035 15.0 .044 17.0 Ps .005 Ak .159 Throw 100 3.0 7.5 3.5 9.0 4.5 11.0 5.5 13.0 6.5 14.5 7.5 16.5 8.5 Throw 50 5.5 Spread FPM 3.0 7.5 3.5 7.5 4.5 11.5 5.5 13.5 6.5 15.0 7.5 17.0 9.0 Spread FPM 5.5 Throw 150 2.0 3.5 2.5 4.5 3.0 5.5 3.5 6.5 4.5 7.5 5.0 8.5 5.5 Throw 100 3.0 Spread FPM 2.0 2.5 3.0 3.5 4.5 5.0 5.5 Spread FPM 3.0 3.5 4.5 5.5 6.5 7.5 9.0 Throw 150 2.0 2.5 3.0 3.5 4.5 5.0 5.5 Spread FPM 2.0 2.5 3.0 3.5 4.5 5.0 5.5
800 .040 145 20.5 185 23.0 230 26.5 270 29.0
900 .050 162 23.0 205 25.5 260 30.0 305 32.5
1000 .062 180 25.0 230 29.0 290 33.0 340 36.0
Face Velocity Pressure Loss 8x6 Ak .180 10 x 6 and 12 x 5 Ak .245 14 x 6 Ak .360 12 x 8 Ak .425
CFM Throw CFM Throw CFM Throw CFM Throw
300 400 500 600 700 .006 .010 .016 .022 .031 55 70 90 110 125 5.5 7.0 9.0 10.5 12.5 75 100 125 145 170 6.0 8.0 10.0 12.0 14.0 110 145 180 215 252 7.0 9.5 12.0 14.0 16.5 130 170 215 255 300 7.5 10.0 12.5 15.0 18.0
800 .040 145 14.0 195 16.0 290 19.0 340 20.5
900 .050 160 16.0 220 18.0 325 21.5 385 23.0
1000 .062 180 18.0 245 20.0 360 24.0 425 25.5
Terminal Velocity of 75 FPM
Terminal Velocity of 75 FPM
Recommended Noise Criteria and Face Velocity Ranges are on page 37
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657/658 Baseboard Return Grille (Page 9)
Face Velocity Pressure Loss CFM Face Velocity Spread Ak .260 Pressure Loss Throw CFM
Average Face Velocity* 10 x 6 CFM Ak .38 Pt 12 x 6 CFM Ak .46 Pt 10 x 8 CFM Ak .51 Pt 14 x 6 CFM Ak .53 Pt 12 x 8 CFM Ak .61 Pt 14 x 8 CFM Ak .72 Pt 20 x 6 CFM Ak .75 Pt 16 x 8 CFM Ak .83 Pt 14 x 10 and 24 x 6 CFM Ak .92 Pt 14 x 12 CFM Ak 1.08 Pt 30 x 6 CFM Ak 1.12 Pt 24 x 8 CFM Ak 1.21 Pt 20 x 10 CFM Ak 1.25 Pt 24 x 10 and 30 x 8 CFM Ak 1.50 Pt 24 x 12 CFM Ak 1.82 Pt 30 x 10 CFM Ak 1.91 Pt 30 x 12 CFM Ak 2.25 Pt
1000 159 .053 1000 18.5 159 19.0 .053 9.0 18.5 9.5 19.0 6.0 9.0 6.0 9.5 6.0 6.0
462 & 464 Baseboard Diffusers (Page 7, 8) Airflow (CFM) CFM 2 feet Spread 27 sq. in. Throw Ak .187 Pressure Loss CFM 4 feet Spread 54 sq. in. Throw Ak .375 Pressure Loss
300 55 6.5 7.0 .009 110 12.0 7.5 .031
400 75 7.5 8.0 .017 150 15.0 9.0 .058
500 95 8.0 9.5 .029 185 17.5 10.0 .090
600 110 8.5 10.5 .038 225 19.0 11.5 .124
700 130 9.0 12.0 .054 260 20.0 12.5 .178
800 150 11.0 13.0 .072 300 21.0 13.5 .224
Terminal Velocity of 50 FPM
472 & 474 Baseboard Return (Page 7, 8) Face Velocity 2 feet CFM Ak .325 Ps 4 feet CFM Ak .650 Ps
300 100 .010 195 .015
400 130 .028 260 .026
500 165 .046 325 .040
600 195 .064 390 .060
700 230 .090 455 .078
664 Baseboard Register (Page 10)
654, 655 Baseboard/Sidewall Registers (Page 9) CFM Throw CFM Throw CFM Throw CFM Throw
300 .006 55 7.5 70 9.0 85 10.0 102 11.0
400 .010 72 10.0 92 11.5 115 13.0 135 14.5
500 .016 90 12.5 115 14.5 145 17.0 170 18.0
600 .022 108 15.0 140 17.5 175 20.0 205 22.0
700 .031 125 17.5 160 20.0 205 23.5 240 25.5
400 500 600 700 150 190 225 265 .023 .037 .052 .072 180 230 280 320 .022 .035 .051 .070 205 255 305 355 .022 .035 .050 .068 210 265 320 370 .022 .035 .050 .068 245 305 365 430 .022 .034 .049 .066 288 360 430 505 .021 .033 .047 .065 300 375 450 525 .021 .033 .047 .064 330 415 500 580 .021 .033 .046 .063 365 460 550 640 .020 .032 .045 .062 430 540 650 755 .020 .031 .045 .060 445 560 670 780 .020 .031 .044 .060 485 605 730 850 .020 .031 .044 .059 500 630 750 880 .019 .030 .043 .059 600 750 890 1040 .019 .030 .042 .057 730 910 1100 1270 .018 .029 .041 .056 760 960 1150 1330 .018 .029 .041 .055 900 1130 1350 1570 .018 .028 .040 .054
*Velocity measured 1" from face
Velocity measured on the face
Face Velocity Pressure Loss 8x6 Ak .180 10 x 6 Ak .230 12 x 6 Ak .290 14 x 6 Ak .340
300 115 .013 135 .013 150 .012 160 .012 180 .012 215 .012 225 .012 250 .012 275 .011 320 .011 335 .011 365 .011 375 .011 450 .011 550 .010 575 .010 680 .010
Engineering Data
300 400 500 600 700 800 .013 .022 .035 .048 .067 .088 80 400 105 500 130 600 155 700 180 800 210 300 4.5 6.5 7.5 8.5 9.5 11.0 .013 .022 .035 .048 .067 .088 5.0 7.0 130 8.0 155 9.0 10.0 80 105 180 11.0 210 Terminal Velocity of 50 FPM 4.5 6.5 7.5 8.5 9.5 11.0 Ak .260 Spread Throw 5.0 7.0 8.0 9.0 10.0 11.0 Face Velocity 300 400 500 600 700 800 900 Terminal Velocity of 50 FPM 406 15” Baseboard Diffuser 6) 143 CFM 48 63 79 95(Page 111 127 15" Ps .005 .009 .014 .020 .027 .035 Ak .159 Face Velocity 300 400 500 600 700 800 .044 900 Throw 50 5.5 7.5 9.0 CFM 48 63 79 11.0 95 13.0 111 14.5 127 16.5 143 15" Spread FPM 5.5 .009 7.5 .014 7.5 .020 11.5 .027 13.5 .035 15.0 .044 17.0 Ps .005 Ak .159 Throw 100 3.0 7.5 3.5 9.0 4.5 11.0 5.5 13.0 6.5 14.5 7.5 16.5 8.5 Throw 50 5.5 Spread FPM 3.0 7.5 3.5 7.5 4.5 11.5 5.5 13.5 6.5 15.0 7.5 17.0 9.0 Spread FPM 5.5 Throw 150 2.0 3.5 2.5 4.5 3.0 5.5 3.5 6.5 4.5 7.5 5.0 8.5 5.5 Throw 100 3.0 Spread FPM 2.0 2.5 3.0 3.5 4.5 5.0 5.5 Spread FPM 3.0 3.5 4.5 5.5 6.5 7.5 9.0 Throw 150 2.0 2.5 3.0 3.5 4.5 5.0 5.5 Spread FPM 2.0 2.5 3.0 3.5 4.5 5.0 5.5
800 .040 145 20.5 185 23.0 230 26.5 270 29.0
900 .050 162 23.0 205 25.5 260 30.0 305 32.5
1000 .062 180 25.0 230 29.0 290 33.0 340 36.0
Face Velocity Pressure Loss 8x6 Ak .180 10 x 6 and 12 x 5 Ak .245 14 x 6 Ak .360 12 x 8 Ak .425
CFM Throw CFM Throw CFM Throw CFM Throw
300 400 500 600 700 .006 .010 .016 .022 .031 55 70 90 110 125 5.5 7.0 9.0 10.5 12.5 75 100 125 145 170 6.0 8.0 10.0 12.0 14.0 110 145 180 215 252 7.0 9.5 12.0 14.0 16.5 130 170 215 255 300 7.5 10.0 12.5 15.0 18.0
800 .040 145 14.0 195 16.0 290 19.0 340 20.5
900 .050 160 16.0 220 18.0 325 21.5 385 23.0
1000 .062 180 18.0 245 20.0 360 24.0 425 25.5
Terminal Velocity of 75 FPM
Terminal Velocity of 75 FPM
Recommended Noise Criteria and Face Velocity Ranges are on page 37
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