Lochinvar 399 Flow Rate GPM, Temperature Rise Applications, 6Hydronic piping continued, Drop

Installation & Operation Manual

6Hydronic piping (continued)

Figure 6-5Pressure Drop vs. Flow - Models 399 and 500

Pressure Drop (Feet of Head)

Pressure Drop vs Flow

(Includes Boiler Secondary Piping)

20
18
16
14
12
10
8
6
4
2
0
0	5	10	15	20	25	30	35	40	45

Flow Rate (GPM)

KBN500

KBN399

Figure 6-6Pressure Drop vs. Flow - Models 600 thru 800

Pressure Drop vs Flow

(Includes Boiler Secondary Piping)

	60
of Head)	50
	40
(Feet
	30
Drop
	20
Pressure
	10
	0
	0	10	20	30	40	50	60	70	80	90

Flow Rate (GPM)

KBN800

KBN700

KBN600

Table 6B Sizing Information for Temperature Rise Applications_20°F, 25°F, 30°F and 35°F

TEMPERATURE RISE APPLICATIONS

	MINIMUM		20°F			25°F			30°F			35°F
Model	PIPE
	SIZE	GPM		FT/HD	GPM		FT/HD	GPM		FT/HD	GPM		FT/HD
399	1 1/2"	37		21	30		14	26		11	21		8
500	1 1/2"	46		23	37		16	32		13	26		10
600	2"	55		31	44		22	38		18	32		13
700	2"	65		30	52		20	45		16	37		11
800	2"	74		33	60		23	51		18	42		12
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