HP A0554832 manual 61

Flow and Pressure Considerations

Modelc	Design flow		Design ∆ P		Standard pump power		To Process pressure
	gpm	lpm	psig	kPa	hp	kW	psi	kPa	bars
-A, 2 hp	4.6	17.5	4.4	30.4	1	0.746	34.1	235.3	2.4
-A, 3.5 hp	7.9	29.9	4.9	33.7	1	0.746	33.0	227.5	2.3
-A, -R, 5 hp	11.6	43.8	2.0	13.7	1	0.746	34.9	240.8	2.4
-A, -R, 7.5 hp	15.7	59.6	2.8	19.0	1	0.746	32.7	225.7	2.3
-A, -R, 10 hp	23.8	90.1	5.1	35.2	2	1.492	43.4	299.0	3.0
-A, -R, 15 hp	34.9	132.1	6.1	41.8	2	1.492	38.0	262.1	2.6
-A, -R, 20 hp	46.5	175.9	7.1	49.0	5	3.73	54.0	372.3	3.7
-A, -R, 25 hp	57.2	216.4	8.1	55.9	5	3.73	52.0	358.5	3.6
-A, -R, 30 hp	70.2	265.6	10.5	72.4	5	3.73	47.5	327.5	3.3
-R 35 hp	73.5	278.2	5.4	37.2	7.5	5.59	64.0	441.3	4.4
-R 40 hp	88.6	335.4	8.2	56.5	7.5	5.59	55.0	379.2	3.8
-W 2 hp	5.1	19.1	5.7	39.1	1	0.746	32.9	226.6	2.3
-W 3.5 hp	8.6	32.7	6.0	41.2	1	0.746	31.7	218.5	2.2
-W 5 hp	12.6	47.7	2.3	16.00	1	0.746	34.3	236.2	2.4
-W 7.5 hp	17.0	64.5	3.1	21.4	1	0.746	32.0	220.3	2.2
-W 10 hp	25.7	97.4	6.3	43.3	2	1.492	41.4	285.3	2.9
-W 15 hp	38.1	144.1	7.0	48.1	2	1.492	35.5	244.4	2.4
-W 20 hp	50.4	190.8	8.8	60.3	5	3.73	52.0	358.5	3.6
-W 25 hp	61.7	233.7	9.0	62.1	5	3.73	49.0	337.9	3.4
-W 30 hp	76.2	288.5	10.8	74.1	5	3.73	43.0	296.5	3.0
-W 35 hp	82.0	310.4	5.4	37.2	7.5	5.59	64.0	441.3	4.4
-W 40 hp	98.4	372.4	8.2	56.5	7.5	5.59	55.0	379.2	3.8

c-A – Air-cooled; -W – Water-cooled; -R – Remote Air-cooled.

Note: Pressure is proportional to flow. Recirculation pump is required for values exceeding those listed.

Recirculation Pump Specifications

HP	Recirc. power		Flow Rate		∆ pressure
	hp	kW	gpm	lpm	psi	kPa
5	0.75	0.373	13.0	49.2	2.3	16.0
7.5	0.75	0.373	17.0	64.3	3.1	21.4
10	0.75	0.595	26.0	98.4	6.3	43.3
15	0.75	0.595	38.0	143.8	7.0	48.0
20	2.0	1.492	50.0	189.2	8.8	60.3
25	2.0	1.492	63.0	238.4	9.0	62.0
30	2.0	1.492	76.0	287.6	10.8	74.1
35	3.0	2.238	82.0	310.4	5.4	37.2
40	3.0	2.238	98.0	370.9	8.2	56.5

2-40 HP Portable Chillers Chapter 7: Appendix 61 of 78