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ZW self-suction drainage pump is developed based on the structures and characteristics of ZX centrifugal pump and QW drainage pump, referring to the advantages of similar productions at home and abroad, soliciting the demands and opinions of various customers. It is integrated with self-suction and drainage, which doesn't need to fix a foot valve or fill inducting water as common clean water self-suction pump and can pump sewage, sediment, waste mine impurity, dejecta containing great suspended solid sewage with a diameter 60% as the outlet diameter and fibrous things whose lengths are 1.5 times as the impeller and all engineering sewage and colloid liquid, completely reducing workers' labor intensity. It is easy to use, move and fix, seldom needs maintenance and performs steadily.

ZW type self-priming non-clog sewage pump
Type	Inlet diameter(mm)	Capacity(m 3 /h)	Head(m)	Motor horsepower(kw)	Speed(r/min)	Self-suction height(m)
Type	Inlet diameter(mm)	Capacity(m 3 /h)	Head(m)	Motor horsepower(kw)	Speed(r/min)	Self-suction height(m)
25ZW8-15	25	8	15	1.5	2900	5
32ZW10-20	32	10	20	2.2	2900	5
32ZW20-12	32	20	12	2.2	2900	5
32ZW9-30	32	9	30	3	2900	5
40ZW20-12	40	20	12	2.2	2900	5
40ZW10-20	40	10	20	2.2	2900	5
40ZW15-30	40	15	30	3	2900	5
50ZW10-20	50	10	20	2.2	2900	5
50ZW20-12	50	20	12	2.2	2900	5
50ZW15-30	50	15	30	3	2900	5
65ZW20-14	65	20	14	2.2	2900	4
65ZW15-30	65	15	30	3	2900	4
65ZW30-18	65	30	18	4	1450	4
65ZW20-30	65	20	30	5.5	2900	4.5
65ZW40-25	65	40	25	7.5	1450	4.5
65ZW25-40	65	25	40	7.5	2900	5
65ZW30-50	65	30	50	11	2900	5
80ZW40-16	80	40	16	4	1450	4
80ZW40-25	80	40	25	7.5	2900	5
80ZW40-50	80	40	50	18.5	2900	5
80ZW65-250	80	65	25	7.5	1450	5
80ZW80-35	80	80	35	15	2900	5
80ZW80-35	80	80	35	15	1450	5
80ZW50-60	80	50	60	22	2900	5
100ZW100-15	100	100	15	7.5	1450	4.5
100ZW80-20	100	80	20	7.5	1450	4.5
100ZW100-20	100	100	20	11	1450	4.5
100ZW100-30	100	100	30	22	2900	4.5
100ZW100-30	100	100	30	22	1450	4.5
100ZW80-60	100	80	60	37	2900	5
100ZW80-80	100	80	80	45	2900	5
125ZW120-20	125	120	20	15	1450	5
125ZW180-14	125	180	14	15	1450	5
150ZW180-14	150	180	14	15	1450	5
150ZW180-20	150	180	20	22	1450	5
150ZW180-30	150	180	30	37	1450	5
200ZW280-14	200	280	14	22	1450	4.5
200ZW300-18	200	300	18	37	1450	4.5
300ZW280-24	300	280	24	45	1450	5
250ZW280-28	200	280	28	55	1450	5
250ZW420-20	250	420	20	55	1450	4.5
300ZW800-14	300	800	14	55	1450	4.5