MZDLF vertical multi-stage centrifugal pump

Small size, light weight and beautiful appearance

Overview
The MZDLF vertical multistage centrifugal pump has the advantages of small size, light weight, and attractive appearance, making it suitable for conveying thin, clean liquids without solid particles or fibers. It is widely used in civil, industrial, agricultural, and water treatment applications.

Key Features

Vertical structure with inlet and outlet flanges on the same centerline, compact structure, small footprint, and easy installation.

The vertically structured pump adopts a cartridge-type mechanical seal with a modular structure, making installation and maintenance operations safer, more convenient, and ensuring sealing reliability.

The motor shaft of the vertical pump is directly connected to the pump shaft through a coupling.

Horizontal pumps are equipped with extended shaft motors, with simple structure and easy installation and maintenance operations.

All flow components are made of stainless steel, ensuring no contamination of the medium and long service life, with an attractive appearance.

Low noise, small vibration. Standardized design with good versatility.

Operating Conditions

a. Ambient temperature: +40°C. If the ambient temperature exceeds +40°C or the motor is installed at an altitude above 1000m, the motor output power will decrease. In such cases, a motor with higher output power should be selected.
b. Applicable medium temperature: -15°C to +120°C, for thin, clean liquids without solid particles or fibers.

Notes

The arrow on the lower inlet and outlet sections of the vertical pump indicates the direction of flow of the medium. Connect the pump's inlet and outlet according to the arrow.

For horizontal pumps, the flow direction of the medium is from the side inlet and top outlet.

To ensure sufficient motor cooling, the installation position must allow for air circulation, and it is strictly forbidden to reverse the motor or cover items on the motor.

When installing pipelines, prevent air accumulation in the pipelines, especially at the suction end of the pump.

Installing gate valves on both sides of the pump is beneficial for cleaning and maintenance.

If necessary, the position of the motor terminal box of the vertical pump can be adjusted to 0°, 90°, or 270°:
a. Remove the coupling cover, but do not remove the coupling;
b. Remove the bolts fixing the motor;
c. Rotate the motor to the desired direction;
d. Rotate the coupling to adjust the motor to ensure that the pump shaft is not jammed and the rotation is uniform;
e. Tighten the bolts fixing the motor and install the coupling cover.

The lifting bolt holes on the motor cannot be used to lift the entire pump. The entire pump must be lifted at the motor base using steel straps or similar methods.

Performance Parameter Table:

MZDLF2 Series:

Pump model	With power	Traffic	1	1.2	1.6	2	2.4	2.8	3.2
	(kW)	(m3/h)
MZDLF2-2	0.37	Head (m)	17	17	16	15	13	12	10
MZDLF2-3	0.37		25	25	24	22	20	18	15
MZDLF2-4	0.55		36	35	33	30	27	23	18
MZDLF2-5	0.55		44	43	40	37	33	28	22
MZDLF2-6	0.75		53	52	49	45	41	35	28
MZDLF2-7	0.75		62	60	57	52	47	40	32
MZDLF2-8	1.1		71	70	65	59	53	45	37
MZDLF2-9	1.1		79	78	73	67	60	53	43
MZDLF2-10	1.1		88	87	81	74	67	58	47
MZDLF2-11	1.1		95	95	89	82	74	65	52
MZDLF2-12	1.5		107	104	98	90	81	70	55
MZDLF2-13	1.5		115	113	106	98	89	77	58
MZDLF2-14	1.5		123	119	113	105	95	83	64
MZDLF2-15	1.5		133	130	122	112	101	87	69
MZDLF2-16	2.2		142	139	131	120	108	93	76
MZDLF2-17	2.2		153	148	139	128	115	100	83
MZDLF2-18	2.2		163	159	147	136	123	107	90
MZDLF2-19	2.2		170	167	156	143	130	114	94
MZDLF2-20	2.2		176	174	163	150	136	119	98
MZDLF2-21	2.2		185	182	171	157	142	124	101
MZDLF2-22	2.2		192	190	179	165	150	130	105
MZDLF2-23	3		201	198	187	173	157	137	111
MZDLF2-24	3		210	206	195	181	165	144	117
MZDLF2-25	3		221	216	205	189	172	151	123
MZDLF2-26	3		232	227	214	198	180	158	128

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