Brochure

Catalog CIC-2003-1/US
Distributors and Flow Controls
Parker Hannifin Corporation
Climate & Industrial Controls Group
Cleveland, OH
195
Service
& Check
Valves
Distributors &
Flow Controls
Technical Information Nozzle Type Refrigerant Distributors
Distributor Tube Circuit Capacities Table
Distributor Loading vs. Pressure Drop
Refrigerants at various evaporator temperatures - Tons of Refrigeration
Capacity per circuit at 10 psi pressure drop. See Distributor Loading vs. Pressure Drop table below for pressure drop at 50% to 200% of this rating.
40° 20° 0° -20° -40° 40° 20° 0° -20° -40° 40° 20° 0° -20° -40°
5/32 0.19 0.14 0.11 0.08 0.06 0.26 0.21 0.16 0.12 0.09 0.18 0.13 0.10 0.07 0.05
3/16 0.40 0.30 0.23 0.17 0.13 0.53 0.44 0.33 0.24 0.20 0.37 0.28 0.22 0.15 0.12
1/4 0.80 0.60 0.45 0.33 0.25 1.10 0.89 0.67 0.49 0.39 0.73 0.58 0.43 0.31 0.23
5/16 1.60 1.20 0.90 0.66 0.50 2.20 1.70 1.30 0.98 0.79 1.50 1.10 0.83 0.62 0.46
3/8 2.80 2.10 1.60 1.20 0.88 3.70 2.90 2.20 1.70 1.40 2.50 2.00 1.50 1.10 0.80
Refrigerant
Tube Size
inches O.D.
Evaporating Temperature °F
R-12 / R-134a R-22 R-404A / R-502 / R-507
50° 60° 70° 80° 90° 100° 110° 120°
2.10 1.83 1.59 1.37 1.17 1.00 0.85 0.72
Liquid Temperature °F
Correction factor
*Correction Factors for Other Liquid Temperatures for Nozzle and Tubes
12 18 24 30 36 42 48 54 60 66 72
1.36 1.16 1.07 1.00 0.95 0.90 0.86 0.82 0.79 0.76 0.73
Tube Length - Inches
Correction Factor
**Correction factors for Other Distributor Tube Lengths
*100° liquid entering thermostatic expansion valve.
**For tubing length of 30"
∆
∆∆
∆
P Nozzle
psi
∆
∆∆
∆
P Tubes and
Passages
∆
∆∆
∆
P Nozzle
psi
∆
∆∆
∆
P Tubes and Passages
psi
50 4 3 7 3
60 6 4 10 4
70 8 5 13 5
80 10 6 16 6
90 12 8 20 8
100 15 10 25 10
110 18 12 30 12
120 20 14 35 14
130 22 16 38 16
140 24 18 40 18
150 27 21 43 21
160 29 23 46 24
170 31 25 49 27
180 33 27 52 30
190 36 29 54 32
200 38 31 57 34
R-12 / R-134a R-22 & R-502
Actual Load
as a Percent of Published Rating
(corrected for Liquid
Temperature