Data Tables

Mixing valve selection (optional)

To provide freeze protection under extreme conditions, the valve capacities with a 5 PSIG pressure drop are:
Pipe Size	GPM	Pipe Size	GPM
1/2" NPT	15	2" NPT	100
3/4" NPT	21	2 1/2" FLG	180
1" NPT	23	3" FLG	200
1 1/4" NPT	43	4" FLG	400
1 1/2" NPT	85

Approach temperature
correction factors

Approach temp.	Correction factor
25°F	1
20°F	0.85
15°F	0.7
10°F	0.5

"P" Factors for values S / L

S/L	P	S/L	P
0.1	0.39	0.6	0.78
0.15	0.45	0.65	0.81
0.2	0.5	0.7	0.84
0.25	0.54	0.75	0.87
0.3	0.58	0.8	0.9
0.35	0.62	0.85	0.92
0.4	0.66	0.9	0.95
0.45	0.69	0.95	0.98
0.5	0.72	1	1
0.55	0.75

Trim Cooler selection

Model	Surface Area
KFH50	2.5
KFH100	4.6
KFH150	6.9
KFH200	9.2
KFH250	11.5
KFH300	13.8
KFH400	18.1
KFH500	23
KFH650	29.9
KFH800	36.8
KFH1000	46
KFH1250	57.5
KFH1600	73.6
KFH2000	92
KFH2500	115
KFH3000	138

÷Pioneer Air Systems, Inc.÷

÷210 Flatfork Rd. ÷Wartburg, TN 37887÷Tel: 800-264-1AIR÷Fax: 423-346-3865 ÷ sales@pioneerair.com ÷

Copyright (c) 2004 - Pioneer Air Systems, Pioneer Engineering. All rights reserved.
Information in this document is subject to change without notice.