IZ50-32-125A water pump

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Vertical Multistage Stainless Steel Centrifugal Pumps

IZ(BL)-Series

IZ (BL)-type pumps are single stage centrifugal pump direct connection for the delivery of physical and chemical properties of water or other liquid similar to water with a temperature not higher than 80 ℃. The pump is a form of small, light weight, simple structure, low noise, and easy assembly and disassembly. Shaft seal mechanical seal, seal. Applicable to factories, mines, urban water supply and drainage, high-rise building pressurized water and irrigation.Motor power:1.5-7.5kw,Flow:11.8-50m/h,Head:17.6-32m。

■List of performance

Type	outfow	pump Lift	Speed	Output N（K W）		Effiency	Required Net Positive Suction Head (NPSH)r
Type	m3/h	pump Lift	Speed	Axial Output	Motor Output	Effiency	Required Net Positive Suction Head (NPSH)r
IZ50-32-125A	11.8	17.6	2900	0.98	1.5	57.7	2.0
IZ50-32-125	12.5	20	2900	1.13	2.2	60	2.0
IZ65-50-125	25	20	2900	1.97	3.0	69	2.5
IZ50-50-160	25	30	2900	3.26	4.0	72	3
BL50-50-160	25	30	2900	3.26	4.0	72	3
IZ65-40-130	30	23.5	2900	2.74	4.0	70	2
IZ80-65-125A	46.7	16.6	2900	2.96	4.0	72	3
IZ80-65-125	50	20	2900	3.68	5.5	75	3
IZ65-50-130A	56	19.5	2900	4.02	5.5	74	3.1
IZ80-65-160	50	32	2900	5.97	7.5	73	2.5

■Installation size map

■Installation Dimension Table

Type	L	L1	L2	B	BB	A	AB	n-d	b	H2	H1	a	H
IZ50-32-125A	457	80	143	125	155	140	180	4-10	15	230	90	50	237
IZ50-32-125	457	80	143	125	155	140	180	4-10	15	230	90	50	236
IZ65-50-125	493	80	160	140	176	160	194	4-12	15	243	100	50	261
IZ50-50-160	538	80	185	140	182	190	232	4-12	17	267	112	60	285
BL50-50-160	538	80	185	140	182	190	232	4-12	17	267	112	60	285
IZ65-40-130	598（551）	80	243（196）	140	178	190	232	4-12	15	255	112	50	291
IZ80-65-125A	567	100	201	140	185	190	238	4-12	17	272	112	60	285
IZ80-65-125	620	100	220	140	200	216	273	4-12	18	284	132	50	324
IZ65-50-130A	692（628）	100	283(219)	140	200	216	273	4-12	18	284	132	50	324
IZ80-65-160	618	100	216	140	200	216	273	4-12	18	284	132	50	324

■Flange Size Chart

Type	Suction flange size							Row outlet flange size
Type	DN1	D1	D11	d1	b1	f1	n1-dm	DN2	D2	D12	d2	b2	f2	n2-dm
IZ50-32-125A	50	165	125	102	18	3	4-φ17.5	32	140	100	78	18	3	4-φ17.5
IZ50-32-125	50	165	125	102	18	3	4-φ17.5	32	140	100	78	18	3	4-φ17.5
IZ65-50-125	65	185	145	122	19	2	4-φ17.5	50	165	125	102	19	2	4-φ17.5
IZ50-50-160	50	140	110	90	14	2	4-φ14	50	160	125	100	14	2	4-φ18
BL50-50-160	50	140	110	90	14	2	4-φ14	50	160	125	100	14	2	4-φ18
IZ65-40-130	65	185	145	124	19	2.5	4-φ17.5	40	150	110	86	20	2.5	4-φ17.5
IZ80-65-125A	80	200	160	133	21	2.5	8-φ17.5	65	185	145	122	19	2.5	4-φ17.5
IZ80-65-125	80	200	160	133	21	2.5	8-φ17.5	65	185	145	122	19	2.5	4-φ17.5
IZ80-65-130A	65	185	145	124	19	2.5	4-φ17.5	50	165	125	104	20	2.5	4-φ17.5
IZ80-65-160	80	200	160	133	21	2.5	8-φ17.5	65	185	145	122	20	2.5	4-φ17.5

Q: How about the depreciation of vacuum pumps?: (five) electronic equipment, for 3 years.The depreciation period of a vacuum pump can be calculated for 5 years. The expected residual rate is generally 5%, or it can be estimated by itself.

Q: What is the relationship between the minimum suction vacuum of a pump and the required cavitation?: When the pump is working, the liquid at the inlet of the impeller, due to a certain vacuum pressure will produce steam, the vaporization of the bubble in liquid particles under the impact of movement, the impeller and other metal surface erosion, thereby damaging the impeller and other metal

Q: Double floor sewage pump circuit diagram of a small problem: Q 2, SA and SS are select switches, and different positions indicate the same difference between the two nodes. SA hits the left position 13, 14 to connect, hits to the right position 21, 22 to connect. SS hit the middle position, 5 and 6 turn on, 7 and 8 turn on; hit the right position; 1 and 2 turn on; 11 and 12 turn on; hit the left seat; 9 and 10 turn on; 3, 4 turn on.

Q: What's the difference between non negative pressure and variable frequency water pump?: No negative pressure is superposed pressure intelligent frequency conversion equipment, pump frequency operation is no negative pressure difference, and the variable frequency pump, variable frequency pump is advanced municipal tap water tank or pool, pump from the tank or pond water pressure to set pressure to the pressure water supply, and no negative pressure directly from water the municipal pipeline, using the original municipal 2~3 kilograms of pressure

Q: What are the characteristics of a vertical multistage centrifugal pump?: Vertical multi-stage centrifugal pump is cast iron, the advantage is that the price is cheap, the disadvantage is bulky and power consumption.

Q: What does centrifugal pump mean horizontally?: In other words, pump casing and pump body along the horizontal center of the pump leaves into the upper and lower halves, so that when the pump leaves the pump cover open, you can pump and bearings as a whole pumping out. No need to remove the pipe. I don't know. Do you understand?.

Q: Is the centrifugal pump large or small?: When the liquid is lowered at a certain temperature to the vapor pressure at this temperature, the liquid bubbles. The phenomenon of producing bubbles is called cavitation. When the bubbles are flowing to the high pressure, the volume of the bubbles is reduced so that they are destroyed. This due to the pressure of rising bubbles disappear in the liquid in the phenomenon called cavitation bubble collapse. The local pump is in operation if the over-current part (usually the impeller blade inlet somewhere later) for some reason, the absolute pressure of pumping the liquid was reduced to liquid vapor pressure temperature, liquid vaporization began there, produce a lot of steam bubble formation, when the liquid contains a lot of bubbles by forward high pressure impeller Zone, high pressure liquid around the bubbles in the bubble decreases drastically and rupture. Condensation in the bubble burst and the liquid particle at high speed to fill a hole in this moment has a very strong effect of water hammer and the impact of high frequency against the metal surface, the impact stress of hundreds to thousands of atmospheric pressure, impact frequency can be up to tens of thousands of times per second, serious breakdown when the wall thickness will be. The process of cavitation in a pump is caused by the bursting of bubbles and bubbles in the water pump and the destruction of the over-current components. Water pump cavitation, in addition to the over-current components will have a destructive effect, but also produce noise and vibration, and lead to the performance of the pump down, seriously when the pump will be interrupted liquid, can not work properly.

Q: When the water pump is started, why should it start when the outlet valve is closed? Thank you: The valve opening pump is aimed at the centrifugal pump.From the power curve of the centrifugal pump, the power of the centrifugal pump increases with the increase of the flow rate; the flow curve of the centrifugal pump shows that the flow rate of the centrifugal pump decreases with the increase of the head.

Q: Because the water pressure of the booster pump is not enough, it can not work automatically. It can only be operated by hand. It is inconvenient to use.: The worst case is that the pump is not automatic when it leaves the factory, and no one can say whose product is 100%.But there may be automatic control of this piece, not debugging (this depends on the specific product manual or manufacturer)

Q: Significance of water pump model ISO50-160: Meaning of water pump model ISO50-160: ISO- stands for international standard code (IS). 50- indicates that the inlet diameter of the pump is 50 mm (the complete model IS50-32-160 32- indicates that the outlet diameter of the pump is 32 mm). 160- represents impeller diameter.

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