Refair Oy hinnasto 2016-2017

RECOMMENDATIONS FOR THE DETERMINATION OF CAPILLARY TUBE SIZE
Recommendations for the determination of capillary tube size
Table considers condensing temperature Tc = 45 °C. Non adiabatic flow in capillary..
Increase length 2% per each K of increase of condensing temperature..
TABLE FOR REFRIGERANT R134a (HMBP)
QASH M Capillary tube length (m) Capillary tube internal diameter (mm) & Evaporating temperature (°C)
0,7 0,8 0,9 1 1,2 1,5 1,7 2
kcal/h kg/h 5 7,2 5 7,2 5 7,2 5 7,2 5 7,2 5 7,2 5 7,2 5 7,2
100 2,32 4,11 3,86
110 2,56 3,40 3,20
120 2,79 2,88 2,71
130 3,02 2,45 2,31
140 3,25 2,12 2,00 4,30 4,04
150 3,49 1,84 1,74 3,77 3,55
160 3,72 1,62 1,53 3,32 3,12
170 3,95 1,43 1,35 2,93 2,76
180 4,18 1,27 1,21 2,63 2,48
190 4,42 1,14 1,08 2,36 2,23 4,43 4,16
200 4,65 2,13 2,00 3,99 3,76
220 5,11 1,75 1,65 3,31 3,12
240 5,58 1,47 1,40 2,78 2,63 4,88 4,59
260 6,04 1,24 1,18 2,36 2,23 4,15 3,91
280 6,51 1,06 1,02 2,04 1,93 3,60 3,40
300 6,97 1,77 1,68 3,13 2,96
320 7,44 1,55 1,47 2,75 2,60
340 7,90 1,36 1,30 2,42 2,29
360 8,37 1,21 1,15 2,17 2,06
380 8,83 1,08 1,03 1,94 1,84 5,19 4,89
400 9,30 1,74 1,66 4,67 4,42
450 10,46 1,36 1,30 3,69 3,48
500 11,62 1,09 1,05 2,99 2,83
550 12,78 2,46 2,33
600 13,95 2,05 1,95
650 15,11 1,73 1,65 5,83 5,50
700 16,27 1,47 1,42 5,00 4,73
750 17,43 1,28 1,23 4,38 4,15
800 18,60 1,11 1,08 3,84 3,64
850 19,76 3,39 3,22
900 20,92 3,00 2,86
1000 23,25 2,40 2,30 4,80 4,54
1100 25,57 1,98 1,90 3,94 3,74
1200 27,89 1,64 1,58 3,28 3,12
1300 30,22 1,37 1,33 2,79 2,66
1400 32,54 1,16 1,13 2,38 2,29
1500 34,87 2,05 1,98 5,01 4,76
1600 37,19 1,78 1,72 4,42 4,21
1700 39,52 1,55 1,51 3,90 3,72
1800 41,84 1,36 1,33 3,45 3,31
1900 44,17 1,20 1,18 3,08 2,95
2000 46,49 1,06 1,05 2,75 2,65
2250 52,30 2,12 2,06
2500 58,11 1,66 1,63
2750 63,92 1,35 1,33
3000 69,74 1,09 1,10
QASHis the cooling capacity under ASHRAE (HMBP) condition corresponding to the indicated mass flow rate M (liquid subcooled 9K, return gas superheated up to 35 °C)..
The relationship between length and diameter is, approximately: (L / L 0 ) = (D / D 0 ) 5,4 ..
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