Vertical Multi-Stage Centrifugal Pumps—BLT

Vertical Multi-Stage Centrifugal Pumps—BLT

Modèl:BLT

The following is about Vertical Multi-Stage Centrifugal Pumps BLT related BLT-1, I hope to help you better understand Vertical Multi-Stage Centrifugal Pumps BLT.

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High-efficiency standard motor, Japan NSK bearings and cold-rolled 50ww800 silicon steel sheet made the pump high efficiency, low noise and maintenance-free. Totally enclosed shaft seal, IP55 protection grade, F class insulation grade, the special "double-lock" drive end bearing made the pump withstand higher inlet pressure.
Balanced & container-type shaft seal with all the parts assembled together, no axial rotating to prevent the shaft and rubber parts from wearing, with the characteristics of rapid changing, easy installation and safe operation.Dynamic sealing is made of cemented carbide materials and the static sealing is fluorine rubber material which make the mechanical seal to be high temperature resistance, long service life, easy changing and other significant characteristics.
Being produced by the most advanced international laser welding technology,, no eliminate welding, ensure the high intensity and efficiency. The processing technology: precision casting, CNC lathe, CNC machining center, the modern advanced technology such as the laser welding technique and processing equipment.2T-4T is spot welding,16T and above is laser welding.
The built-in floating sealing ring of the pump cavity body could minimize the internal leakage produced by the differential pressure and prevent the energy consumption when liquid leaking back to the pump cavity body.
The pump core parts are designed to be multilevel interlocking, fastening nut locked, component system interlock assembly industry, to minimize the gap between the impeller per level, improve the efficiency of the impeller water conservancy, and ensure the stability, reliablity and efficiency of the pump core components.
Cold extrusion spline shaft with good surface quality, high machining accuracy, at the same time improve the comprehensive mechanical properties of the shaft and the reliability of the pump.
Enstriksyon modèl

Apèsi sou lekòl la nan pwodwi a

BL(T) series stainless steel multi-stage centrifugal pump (afterwards called pump)boasts characters of high efficiency, low noise, steady operation, etc.The pump set adopts the non-self-priming vertical multi-stage structure, which makes a compact whole,its installation easy, its operation and maintenance convenient.

Application Limits
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Mwayen tanperati: tip nòmal: 0â "ƒ ~ 68â" ƒ kalite dlo cho: 0â "~ 120â" ƒï¼Œ

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Tanperati anbyen: + 40â "ƒ,

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Max pwesyon anbyen: 1.0MPa,

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Konseye pou sèvi ak motè ki pi wo pouvwa nan ka ke dansite a oswa viskozite nan medyòm se pi wo a sa yo ki nan dlo.

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PH: 5 to 8
Applications Fields

Water supply

BL

BLT

Filtraj ak transfè nan waterworks

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Distribution from waterworks

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Pressureboosting nan pwensipal

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Presyon ranfòse nan bati-wo monte, otèl, elatriye.

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Presyon pou ranfòse pou rezèv dlo endistriyèl

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Endistri



Presyon pou ranfòse



Pwosesis sistèm dlo

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Washing and cleaning systems

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Veyikil lave veyikil

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Ponpye sistèm batay

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Liquid transfer



Refwadisman ak sistèm èkondisyone (refrigerants)

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Chofaj manje ak sistèm kondansasyon

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Machine tools(cooling lubricants)

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Aquafarming

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Transfer



Lwil oliv ak alkòl

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Glycol ak refwadisman

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Tretman dlo



Ultra-filtration systems

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Ranvèse sistèm osmoz

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Amolisman, ionize, demineralizan sistèm yo

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Distillation sys tems

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Separateur

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Swimming baths

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lwogasyon



Irigasyon jaden (inondasyon)

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Sprinkler irrigation

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Drip-feed irrigation

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Certificate

Electric Motor
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Konplete ak ventilating de-poto estanda motè

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Protection clsas: IP55

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Klas izolasyon: F

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Standard voltage Single phase 220V-50Hz Three phase:380/400V-50Hz

Efikasite Enèji Creole (IEC60034)

Calculation Of minimum Inlet Pressure

If the pressure in pump is lower than the vapour pressure of medium, cavitation will occur, which will affect the performance of pump. To avoid the cavitation and ensure the pump inlet has a minimum pressure, maximum suction head should be calculated as following:

H = Pbx10.2-NPSH-Hf-hv-Hs

Pb: Atmospheric pressure, bar (In close pipeline system, it can be considered as the system pressure );
NPSH: Net positive suction head, m (Value at maximum flow of Q-NPSH curve);
Hf: Piki liy tiyo pèt (Valè nan koule maksimòm pipeline ki koresponn);
Hv: Medium vapour pressure, m (Medium vapour pressure at corresponding temperature, the default medium is water, as shown in figure4 on the right );
Hs: Sekirite Marge, m, valè jeneral se 0.5.
Kalkil rezilta: si H pozitif, se ponp lan enstale nan fason pou aspirasyon, otreman, li enstale nan fason dekouraje.

Note: It is not necessary to do above calculation under general conditions. Only when we use pump in the following situations do we need to calculate the H:
1. Medium temperature is high;
2.The vitès nan koule se pi gwo pase valè rated;
3.Suction head is big or inlet pipeline is long;
4. Presyon sistèm se ti;
5. kondisyon inlet se move.


Seleksyon nan Ponp

Seleksyon ponp yo ta dwe baze sou:
Devwa pwen nan ponp lan.
Dimensional data such as pressure loss as aresult of height differences,friction loss in the pipework,
Pump efficiency etc.
Pump materials
Ponp koneksyon
Souvan yo itilize tab mekanik tab konfigirasyon

1. Devwa pwen nan ponp lan:

From a duty point it is possible to select a pump on the basis of the curve charts shown in "performance curves/technical" data.

2. Done dimansyon:

Lè gwosè yon ponp sa yo dwe pran nan kontablite: • Obligasyon koule ak presyon nan pwen trase la. "Pèt Pèt kòm yon rezilta nan diferans wotè." Pèt friksyon nan tiyo a (Hf) (Refere nan Fig.1) Li kapab. "Pi bon efikasite nan pwen devwa estime a." NPSH valè. "Pou kalkil valè NPSH a, gade tablo korespondan tablo.

3. Efikasite ponp:

Anvan yo detèmine pwen efikasite ki pi bon an, operasyon an nan ponp lan bezwen idantifye. Si ponp lan espere pou opere kòm pwen devwa a menm, Lè sa a, chwazi yon ponp BL ki opere nan yon pwen devwa ki koresponn ak efikasite ki pi bon nan ponp lan.
Kòm se ponp lan ki menm gwosè ak baz la nan koule ki pi wo a posib, li enpòtan toujou gen pwen an devwa sou bò dwat la sou koub la efikasite (ak) nan lòd kenbe efikasite segondè lè koule a desann.

4. Materyèl ponp:

Selection of pump connection depend on the rated pressure and pipe work. the pump offer a wide range of ftexible connection such as:

5. Souvan itilize mekanik tab konfigirasyon sele

Jaden aplikasyon Shaft seal type Materyèl sele aks  
Normal Special 1 2 3
4
5
Type key
Wotasyon pati Kòd Stationary part Kòd Elastomers Kòd Konpresyon prentan Kolorye Kòd
0â "ƒ pou + 90â" ƒ dlo pwòp   â- Graphite A SiC S FPM F SUS304 C ASFC
0â "ƒ pou + 90â" ƒ dlo pwòp â-   twalet W Graphite A FPM F SUS304 C WAFC
+ 90â "ƒ pou + 120â" ƒ rezistans korozyon â-   SiC S SiC S EPDM E SUS304 C SSEC
jiska 0â "ƒ   â- twalet W twalet W EPDM E SUS304 C WWEC
Mekanik di ki kalite Pump model d1 d2 h
NJK BL(T)2/4 12 12 55
BL (T) 8/12/16/20 16 16 57.5
BL (T) 32/45/60/90 22 22 72
NDA BW(J)2/4 12.7 16 32
BW (J) 8/16 17.4 20 33.5


Maksimòm Travay presyon

Modèl

Curve No.

BL(T)2,4

2

BL (T) 8,12,16,20

3

BL(T)32-2-2~BL(T)32-7

1

BL (T) 32-8-2 ~ BL (T) 32-12

4

BL (T) 32-13 ~ BL (T) 32-15-2

5

BL(T)45-2-2~BL(T)45-6

1

BL(T)45-7-2~BL(T)45-9

4

BL (T) 45-10-2 ~ BL (T) 45-13-2

5

BL (T) 64-2-2 ~ BL (T) 64-5-2

1

BL(T)64-5-1~BL(T)64-8

4

BL (T) 90-2-2 ~ BL (T) 90-4-2

1

BL (T) 90-4 ~ BL (T) 90-6

4

BL(T)120,150

6


The limits of pressure and temperature are shown in the following fig.4,the pressure and temperature must be in the shown in the fig. 4.

Tanperati maksimòm anbyen

When the pump is operating in the place where ambient temperature is higher than 40℃ or altitude is higher than 1000m,the output power of motor P2 will decrease because of poor cooling caused by low air density.Therefore, in that case,the pump should be equipped with high-power motor.

Performance Range
Range pwodwi

Performance Curve - BL(T)2

Li rekòmande yo dwe itilize nan ranje leve.

Pèfòmans tab

Performance Curve - BL(T)4

Li rekòmande yo dwe itilize nan ranje leve.

Pèfòmans tab

Koub Pèfòmans - BL (T) 8

Li rekòmande yo dwe itilize nan ranje leve.

Pèfòmans tab

Performance Curve - BL(T)12

Li rekòmande yo dwe itilize nan ranje leve.

Pèfòmans tab

Performance Curve - BL(T)16

Li rekòmande yo dwe itilize nan ranje leve.

Pèfòmans tab

Performance Curve - BL(T)20

Li rekòmande yo dwe itilize nan ranje leve.

Pèfòmans tab

Performance Curve - BL(T)32

Li rekòmande yo dwe itilize nan ranje leve.

Pèfòmans tab

Koub Pèfòmans - BL (T) 45

Li rekòmande yo dwe itilize nan ranje leve.

Pèfòmans tab

Performance Curve - BL(T)64

Li rekòmande yo dwe itilize nan ranje leve.

Pèfòmans tab

PN25-40 / DN100 estanda bride, sou demann.

Koub Pèfòmans - BL (T) 90

Li rekòmande yo dwe itilize nan ranje leve.

Pèfòmans tab

PN25-40 / DN100 estanda bride, sou demann.

Koub Pèfòmans - BL (T) 120

Li rekòmande yo dwe itilize nan ranje leve.

Pèfòmans tab

Performance Curve - BL(T)150

Li rekòmande yo dwe itilize nan ranje leve.

Pèfòmans tab

Eleman Materyèl

Anbalaj gwosè Pwa

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