MQB stainless steel magnetic pump-Fornitore globale

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MQB stainless steel magnetic pump

Product Overview Installation Dimensions Product Introduction: MQB Stainless Steel Magnetic Centrifugal Pump (referred to as Magnetic Pump), usually c

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Product Overview Installation Dimensions

Product Introduction:

MQB stainless steel magnetic centrifugal pump (referred to as magnetic pump) is usually composed of an electric motor, a magnetic coupling, and a corrosion-resistant centrifugal pump. Its main feature is the use of a magnetic coupling to transmit power without leakage. When the motor drives the outer magnetic steel of the magnetic coupling to rotate, magnetic lines pass through the gap and isolation sleeve, acting on the inner magnetic steel, causing the pump rotor to rotate synchronously with the motor and transmit torque without mechanical contact. At the power input end of the pump shaft, due to the liquid being enclosed in a stationary isolation sleeve without a dynamic seal, there is no leakage at all.
The type and basic parameters of MQB magnetic pump comply with the JB/T 7742-1995 "Type and Basic Parameters of Small Magnetic Driven Centrifugal Pumps" standard and the "Supplementary Provisions for Three Standards of Small Magnetic Driven Centrifugal Pumps".

Performance range:

Flow rate: 3.2-100m3/h
Lift: 20-80m
Motor power: 1.1-55kW
Operating temperature: ≤ 80 ℃
Material: 1Cr18Ni9Ti (can be customized with 304.316.316L material)

Product Usage

The MQB magnetic pump is suitable for industries such as petroleum, chemical, pharmaceutical, smelting, electroplating, environmental protection, food, film and television printing, water treatment, national defense, etc. It is an equipment for transporting flammable, explosive, volatile, toxic, rare and valuable liquids as well as various corrosive liquids. Suitable for conveying liquids without hard particles and fibers with a suction pressure not exceeding 0.2MPa, a maximum working pressure of 1.6MPa, a temperature not exceeding 100 ℃, a density not exceeding 1600kg/m3, and a viscosity not exceeding 30 × 10-6m2/S.

Performance parameters:

model	Caliber (mm)		Flow rate (m3/h)	head (m)	speed (r/min)	Motor model	Motor power (kW)	Voltage (V)	material
model	Import	Export	Flow rate (m3/h)	head (m)	speed (r/min)	Motor model	Motor power (kW)	Voltage (V)	material
MQB32-20-125	32	20	3.2	20	2900	Y80S-2	2.2	380	No rust steel
MQB32-20-160	32	20	3.2	32	2900	Y90S-2	2.2	380
MQB40-25-105	40	25	6.3	12.5	2900	Y80S-2	2.2	380
MQB40-25-125	40	25	6.3	20	2900	Y90S-2	2.2	380
MQB40-25-160	40	25	6.3	32	2900	Y100L-2	3	380
MQB40-25-200	40	25	6.3	50	2900	Y132S1-2	5.5	380
MQB50-32-125	50	32	12.5	20	2900	Y100L-2	3	380
MQB50-32-160	50	32	12.5	32	2900	Y112M-2	4	380
MQB50-32-200	50	32	12.5	50	2900	Y132S2-2	7.5	380
MQB50-32-250	50	32	12.5	80	2900	Y160L-2	18.5	380
MQB65-50-125	65	50	25	20	2900	Y112M-2	4	380
MQB65-50-160	65	50	25	32	2900	Y132S2-2	7.5	380
MQB65-40-200	65	40	25	50	2900	Y160M2-2	15	380
MQB65-40-250	65	40	25	80	2900	Y180M-2	22	380
MQB80-65-125	80	65	50	20	2900	Y132S2-2	7.5	380
MQB80-65-160	80	65	50	32	2900	Y160M2-2	15	380
MQB80-50-200	80	50	50	50	2900	Y180M-2	22	380
MQB80-50-250	80	50	50	80	2900	Y220L2-2	37	380
MQB100-80-125	100	80	100	20	2900	Y160M2-2	15	380
MQB100-80-160	100	80	100	32	2900	Y180M-2	22	380
MQB100-65-200	100	65	100	50	2900	Y220L2-2	37	380
MQB100-65-250	100	65	100	80	2900	Y250M-2	55	380
Note: Each model can be equipped with an explosion-proof motor

Spectrogram

Structural explosion diagram

Outline installation dimension diagram:

model	A	AD	B	L	L1	H1	H2	a	A1	A2	A3	H	H3	H4	L2	L3	L4	L5	L6	h	n-d
MQB32-20-125	125	150	100	458	133	120	90	65
MQB32-20-160	140	155	100	483	143	160	115	65
MQB40-25-105	125	150	100	458	133	120	90	65
MQB40-25-125	140	155	125	508	143	160	112	65
MQB40-25-160	160	180	140	633	233	160	112	80	300	330	360	210	370	355	190	140	80	270	430	50	4-f17
MQB40-25-200	261	210	140	728	253	160	132	80	350	380	410	230	390	413	236	140	80	320	480	50	4-f22
MQB50-40-85	125	150	100	458	133	120	90	80
MQB50-32-105	140	155	125	508	143	160	112	65
MQB50-32-125	160	180	140	633	233	160	112	80	300	330	360	210	370	355	190	140	80	270	430	50	4-f17
MQB50-32-160	190	190	140	653	233	160	112	80	300	330	360	210	370	363	197	140	80	270	430	50	4-f17
MQB50-32-200	216	210	140	728	253	180	132	80	350	380	410	230	410	413	236	140	80	320	480	50	4-f22
MQB50-32-250	254	255	210	898	308	228	160	100	390	440	420	260	485	485	308	160	120	440	680	80	4-f22
MQB65-50-125	216	210	140	728	253	160	132	80	350	380	410	230	390	413	236	140	80	320	480	50	4-f17
MQB65-50-160	216	210	140	728	253	160	132	80	350	380	410	230	390	413	236	140	80	320	480	50	4-f17
MQB65-40-200	254	255	210	898	308	180	160	100	390	440	420	260	440	485	308	161	120	440	680	80	4-f22
MQB65-40-250	279	285	241	968	308	228	180	100	390	440	420	280	505	530	321	161	120	440	680	80	4-f22
MQB80-65-125	216	210	140	728	253	160	132	80	350	380	420	230	390	413	236	140	80	320	480	50	4-f17
MQB80-65-160	254	255	210	898	297	180	160	100	390	440	420	260	440	485	308	161	120	440	680	80	4-f22
MQB80-50-200	254	255	254	943	308	200	160	100	390	440	420	260	460	485	308	161	120	440	680	80	4-f22
MQB80-50-250	318	310	305	1108	318	225	200	125	470	500	530	300	525	575	333	171	120	520	760	100	4-f22
MQB100-80-125	254	255	210	898	308	180	160	100	390	440	420	260	440	485	308	161	120	440	680	80	4-f17
MQB100-80-160	254	255	254	975	308	200	160	100	390	440	420	260	460	475	308	161	120	440	680	80	4-f22
MQB100-65-200	318	310	305	1083	318	225	180	100	470	500	530	300	525	575	333	171	120	520	760	100	4-f28
MQB100-65-250	318	310	305	1108	318	250	200	125	470	500	530	300	550	575	330	171	120	520	760	100	4-f28

Flange size:

Pump Model	Imported flange							outlet flange
	DN1	D3	D5	D7	b1	f1	n1-d1	DN2	D4	D6	D8	b2	f2	n2-d2
32-20-125	32	69	90	120	16	3	4-φ14	20	48	65	96	14	2	4-φ11
32-20-160
40-25-105	40	78	100	130	16	3	4-φ14	25	58	75	100	14	3	4-φ11
40-25-125
40-25-160		84	110	150	18	3	4-φ18	25	65	85	115	16	3	4-φ14
40-25-200
50-40-85	50	88	110	140	16	3	4-φ14	40	78	100	130	16	3	4-φ14
50-32-105								32	69	90	120	16	3	4-φ14
50-32-125
50-32-160		99	125	165	20	3	4-φ18	32	76	100	140	18	3	4-φ18
50-32-200
50-32-250
65-50-125	65	108	130	160	16	3	4-φ14	50	88	110	140	16	3	4-φ14
65-50-160		118	145	185	20	3	4-φ18	50	99	125	165	20	3	4-φ18
65-40-200								40	84	110	150	18	3
65-40-250
80-65-125		124	150	190	18	3	4-φ18	65	108	130	160	16	3	4-φ14
80-65-160	80	132	160	200	20	3	4-φ18	65	118	145	185	20	3	4-φ18
80-50-200		132	160	200	20	3	8-φ18	50	99	125	165	20	3
80-50-250
100-80-125	100	144	170	210	18	3	4-φ18	80	124	150	190	18	3	4-φ18
100-80-160	100	156	180	220	22	3	8-φ18	80	132	160	200	20	3	8-φ18
100-65-200								65	118	145	185	20	3	4-φ18

Installation and Debugging:

（1） Magnetic pumps should be installed horizontally and not vertically. The plastic pump body should not bear the weight of the pipeline. For special requirements for vertical installation, the motor must face upwards.
（2） When the suction liquid level is higher than the pump axis line, open the suction pipeline valve before starting. If the suction liquid level is lower than the pump axis line, the pipeline needs to be equipped with a foot valve.
（3） Before using the pump, it should be checked that the motor fan blades rotate flexibly without any jamming or abnormal noise, and all fasteners should be tightened.
（4） Check if the rotation direction of the motor is consistent with the direction mark of the magnetic pump.
（5） After the motor starts, slowly open the discharge valve. Once the pump enters normal operation, adjust the discharge valve to the desired opening.
（6） Before the pump stops working, the discharge valve should be closed first, and then the power should be cut off.

Notes:

（1） Due to the fact that the cooling and sliding of magnetic pump bearings rely on the medium being transported, it is absolutely prohibited to operate them in an empty manner, while also avoiding the spatiotemporal transport caused by power outages and subsequent layering during operation.
（2） If the conveyed medium contains solid particles, a filter screen should be added to the pump inlet; if it contains ferromagnetic particles, a magnetic filter should be added.
（3） The ambient temperature of the pump during use should be less than 40 ℃, and the temperature rise of the motor should not exceed 75 ℃.
（4） The conveyed medium and its temperature should be within the allowable range of the pump material (see Appendix B for the use temperature of engineering plastic pumps<60 ℃, the use temperature of metal pumps<100 ℃, the suction pressure of the conveying system should not exceed 0.2MPa, the maximum working pressure should be 1.6MPa, the density should not exceed 1600Kg/m ², and the viscosity should not exceed 30x10-6 ㎡/S for liquids without hard particles and fibers.
（5） For media that are prone to precipitation and crystallization during transportation, they should be cleaned promptly after use to drain the accumulated liquid in the pump.
（6） After 1000 hours of normal operation of the magnetic pump, the wear of the bearings and end face moving rings should be disassembled and inspected, and vulnerable parts that are no longer suitable for use should be replaced.

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