Multi-Stage Centrifugal Pump

D. MD multi-stage pump is a horizontal, single suction, multi-stage, segmental centrifugal pump. Its structure is mainly composed of working chamber, rotor parts, bearing parts, shaft seal device, balance device and transmission mechanism. According to different conveying media, different metal materials can be selected to meet the requirements of conveying media.

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Structure Characteristics

Application

D. MD mining multi-stage centrifugal pump is suitable for conveying clear water medium without solid particles or a small amount of particles or neutral liquid similar to clear water. The medium temperature is not higher than 80 ℃, which is suitable for factories, mines, metallurgy, urban water supply and drainage and other environments.

Performance range

Discharge range: 40 ~ 250mm

Flow range: 10~450m³/h

Head range: 50~ 650m

Model meaning

Multi-Stage Centrifugal Pump

D, MD Pump Parameters

D, MD Pump Code	Flow Q(m³/h)	Head H(m)	Rotating speed n(r/min)	Efficiency η(%)	Number of impeller	Discharge diameter(mm)	Suction diameter(mm)
D12- 25	8～15	75～300	2950	53～55	3～12	40	50
D12- 50	9～15	150～600	2950	42～44	3～12	50	50
D25- 30	15～30	90～300	2900	50～62	3～10	65	65
D25- 50	15～30	150～600	2950	40～55	3～12	65	65
D46- 30	30～55	90～300	2950	64～70	3～12	65	80
D46- 50	30～55	150～600	2950	54～64	3～12	80	80
D85- 67	55～100	201～603	2950	56～68	3～9	100	100
D155- 30	100～185	60～300	1480	64～75	3～9	150	150
D155- 67	100～185	201～603	2950	64～72	3～9	150	150
D280- 43	185～335	86～342	1480	69～77	2～9	200	200
D280- 65	185～335	195～650	1480	61～75	3～10	200	200
D450- 60	355～500	120～600	1480	72～79	2～10	250	250

Multi-Stage Centrifugal Pump