Flow (LT/MIN)
Code	Type	Bore	Suction	Max	1400 r.p.m.					1900 r.p.m.				2800 r.p.m.
			(m)	rpm	H (m)	1	5	10	15	1	5	10	15	1	10	20	30
540	I 20	3/4” M	6	2900	Q	9	4			16	11	4		32	21	9
					HP	0.1	0.1			0.1	0.1	0.2		0.2	0.3	0.3
541	I 25	1” M	6	2900	Q	53	38	16		72	61	47	31	97	85	70	50
					HP	0.2	0.2	0.3		0.6	0.6	0.7	0.7	1.2	1.4	1.6	1.8
542	I 30	1"1/2 M	6	2900	Q	89	71	43	9	123	108	90	70	166	150	129	105
					HP	0.5	0.6	0.7	0.8	0.9	0.9	1	1.1	2.6	2.9	3.2	3.5
543	I 35	1"1/2 M	6	2900	Q	89	71	43	9	123	108	90	70	166	150	129	105
					HP	0.5	0.6	0.7	0.8	0.9	0.9	1	1.1	2.6	2.9	3.2	3.5
544	I 40	1"1/2 M	6	2900	Q	149	119	78	32	192	168	139	110	258	234	203	167
					HP	0.6	0.7	0.8	1	1.5	1.6	1.8	1.9	3.7	4.1	4.6	5
545	I 50	2" M	6	1900	Q	262	227	180	129	360	333	299	265
					HP	1.4	1.5	1.7	1.9	3.2	3.5	3.8	4.1