125QJB Deep Well Submersible Pump

Frequency conversion winding design, ensure the motor in 1HZ-50HZ long-term stable conversion operation. Energy saving, longer service life.

1, fonte de alimentación: AC trifásica 380V (tolerancia +/- 5%), 50HZ (tolerancia +/- 1%).

2, calidade da auga:

(1) a temperatura da auga non é superior a 20 °C;

(2) o contido de impurezas sólidas (relación de masa) non é superior ao 0,01%;

(3) valor de pH (pH) 6,5-8,5;

(4) o contido de sulfuro de hidróxeno non é superior a 1,5 mg/L;

(5) O contido de ión cloruro non é superior a 400 mg/L.

3, o motor está pechado ou a estrutura húmida chea de auga, antes de usar a cavidade do motor somerxible debe estar chea de auga limpa, para evitar falso cheo, e despois apertar a inxección de auga, parafusos de liberación de aire, se non, non se permite o uso

4, a bomba sumerxible debe estar completamente mergullada na auga, a profundidade de mergullo non é superior a 70 m, o fondo da bomba sumerxible desde o fondo do pozo non é inferior a 3 m.

5, o fluxo de auga do pozo debe ser capaz de satisfacer a saída de auga da bomba sumerxible e o funcionamento continuo, a saída de auga da bomba sumerxible debe controlarse entre 0,7 e 1,2 veces o fluxo nominal.

6, o pozo debe ser recto, a bomba sumerxible non se pode usar nin verter, só uso vertical.

7, a bomba sumerxible debe combinarse co cable segundo os requisitos e o dispositivo externo de protección contra sobrecargas. 8, a bomba está estrictamente prohibida sen máquina de proba de auga sen carga

 The well submersible pump is a pump suitable for clear water. It is strictly prohibited to dig new wells and pump out mud and sand. The voltage grade of the well pump is 380V/50HZ, and other voltage grades of the submersible motor need to be customized. Underground cables must be waterproof cables and must be equipped with starting equipment, such as distribution box, etc. The starting equipment should have common motor comprehensive protection functions, such as short circuit overload protection, phase loss protection, undervoltage protection, grounding protection and idling protection, etc. In abnormal cases, the protective device should be tripped in time. When installing and using the pump, it must be firmly grounded. It is prohibited to push and pull the switch when the hands and feet are wet. The power supply must be cut off before installing and maintaining the pump. An obvious "anti-electric shock" sign must be set up where the pump is used. Before going down the well or installing the motor, the inner cavity must be filled with distilled water or non-corrosive clean cold water, and the water injection/drainage bolts must be tightened. Fill the pump with water for ground test to lubricate the rubber bearings. The instant start time shall not exceed one second to check whether the direction is correct and consistent with the direction indication. Be sure to pay attention to safety when placing the pump upright to prevent overturning and causing injury. Strictly in accordance with the provisions of the pump lift and flow range of use, to prevent the pump flow at low lift or excessive pull at high lift, resulting in extreme wear of thrust bearings and other components, resulting in motor overload burn. After the pump into the well, the insulation resistance between the motor and the ground shall be measured, which shall not be less than 100MΩ. After the start, observe the voltage and current regularly, and check the motor winding insulation, to see if it meets the requirements; if the pump storage temperature is below the freezing point, the water in the motor cavity should be discharged, so as to avoid the water in the motor cavity freezing and damaging the motor due to low temperature.

The pump part is mainly composed of pump shaft,impeller,diversion shell,rubber bearing,check valve body(optional)and other components.The motor part is mainly composed of base,pressure regulating diaphragm,thrust bearing,thrust plate,lower guide bearing seat,stator,rotor,upper guide bearing seat,sand ring,water inlet section,lead cable and other components.

As principais características do produto inclúen:

1.The motor is a water-loaded wet submersible three-phase asynchronous motor,and the motor cavity is filled with clean water for cooling the motor and lubricating the bearing.The regulating diaphragm at the bottom of the motor is used to adjust the expansion and contraction pressure difference inside and outside the body caused by the temperature rise of the motor.
2.In order to prevent the sand particles in the well water from entering the motor,two oil seals are installed at the extension end of the motor shaft,and the sand ring is installed to form a sand prevention structure.
3.In order to prevent the pump shaft from jumping when starting,the pump shaft is connected with the motor shaft through a coupling,and the thrust bearing is installed at the bottom of the motor.
4.The lubrication of the motor and the pump bearing is water lubrication.
5.The stator winding of the motor adopts high-quality submersible motor winding wire,with excellent insulation performance.
6.The pump is designed by computer CAD,with simple structure and excellent technical performance.

(1) Preparación antes da instalación:
1. Comprobe se a bomba sumerxible cumpre as condicións de uso e o alcance especificados no manual.
2. Usando un obxecto pesado cun diámetro igual ao diámetro exterior máximo da bomba sumerxible, medir se o diámetro interior do pozo pode caber na bomba sumerxible e medir se a profundidade do pozo cumpre os requisitos de instalación.

3. Comproba se o pozo está limpo e se a auga do pozo está turbia. Nunca use unha bomba eléctrica sumerxible para lavar a auga de barro e area da bomba welor para evitar danos prematuros na bomba eléctrica sumerxible.

4. Comprobe se a posición da pinza de instalación da cabeza de welhead é adecuada e se pode soportar a calidade de toda a unidade

5. Comprobe se os compoñentes da bomba sumerxible están completos e instalados correctamente segundo o diagrama de montaxe do manual. Retire a pantalla do filtro e xire o acoplamento para ver se xira con flexibilidade.

6. Desenrosque o parafuso de auga e enche a cavidade do motor con auga limpa e non corrosiva (ten en conta. Asegúrese de enchelo), despois aperte o parafuso. Despois de 12 horas de inxección de auga, a resistencia de illamento do motor non debe ser inferior a 150 M Q cando se mide cunha mesa de axitación de 500 V.
7. Cable joint, cut off a 120mm rubber sleeve from one end of the outgoing cable and the matching cable with an electrician's knifethen stagger the length of the three core wires in a stepped shape, peel off a 20mm copper core, scrape of the oxide layer on theoutside of the copper wire with a knife or sand cloth, and insert the two connected wire ends in palirs.

After tying the layer tightly with fine copper wire, solder it thoroughly and firmly, and sand of any. burrs on the surface. Then, forthe three joints, use polyvester insulation tape to wrap them in a semi stacked manner for three lavers. Wrap the two ends of thewrapping layer tightywith nyion thread,and then use a semi stacked method to wrap the tape for three layers. Wrap the outellayer with high-pressure insulation tape for three layers. Finally, fold the threestrands together and repeatedly wrap them for fivelayers with high-pressure tape. Each layer must be tightly tied, and the interlayer joints must be tight and fimm to prevent water frompenetrating and damaging the insulation, After wrapping, soak in water at room temperature of 20 ’c for 12 hours, and measurethe insulation resistance with a shaking table, which should not be less than 100M Ω

O diagrama de proceso de cableado anexo é o seguinte:

8. Use un multímetro para comprobar se os cables trifásicos están conectados e se a resistencia de CC está aproximadamente equilibrada.
9. Check whether the circuit and transformer capacity are overloaded, and then connect the overload protection switch or starting equipment. See Table 2 for specific models, and then
Pour a bucket of water into the water pump from the water pump outlet to lubricate the rubber bearings in the pump, and then place the submersible electric pump upright and steady.
Start (no more than one second) and check whether the steering direction is consistent with the steering sign. If not, swap any two connectors of the three-phase cable.
Then install the filter and prepare to go down the well. If used in special occasions (such as ditches, ditches, rivers, ponds, ponds, etc.), the electric pump must be reliably grounded.

(2) Equipos e ferramentas de instalación:
1. Un par de cadeas de elevación de máis de dúas toneladas.
2. Un trípode cunha altura vertical non inferior a catro metros.
3. Dúas cordas colgantes (cables de arame) que poden soportar un peso superior a unha tonelada (poden soportar o peso dun conxunto completo de bombas de auga).
4. Instale dous pares de abrazaderas (férulas).
5. Chaves inglesas, martelos, desaparafusadores, ferramentas e instrumentos eléctricos, etc.

(3) Instalación de bombas eléctricas:
1. O diagrama de instalación da bomba eléctrica sumerxible móstrase na Figura 2. As dimensións específicas da instalación móstranse na Táboa 3 "Lista de dimensións de instalación da bomba eléctrica sumerxible".

2. As bombas eléctricas sumerxibles cunha cabeza inferior a 30 metros pódense izar directamente ao pozo mediante mangueiras e cables de arame ou outras cordas de cánabo que poidan soportar todo o peso de toda a máquina, tubos de auga e auga nos tubos.

3. As bombas cunha cabeza de máis de 30 metros utilizan tubos de aceiro, e a secuencia de instalación é a seguinte:
①Use a clamp to clamp the upper end of the water pump part (the motor and water pump have been connected at this time), lift it with a hanging chain, and slowly tie it into the well until
Put the clamp on the wellhead and remove the hanging chain.
② Use another pair of clamps to clamp a pipe, lift it with a hanging chain 15 cm away from the flange, and lower it slowly. Between pipe flange and pump flange
Put the rubber pad in place and tighten the pipe and pump evenly with bolts, nuts and spring washers.
③ Levante lixeiramente a bomba sumerxible, retire a abrazadeira do extremo superior da bomba de auga, ate o cable firmemente á tubería de auga cunha cinta de plástico e áteo lentamente ata que a abrazadeira estea colocada na cabeza do pozo.
④Usa o mesmo método para amarrar todos os tubos de auga ao pozo.
⑤ Despois de conectar o cable de saída ao interruptor de control, conéctase á fonte de alimentación trifásica.

(4) Cousas a ter en conta durante a instalación:
1. If a jamming phenomenon is found during the pumping process, turn or pull the water pipe to overcome the jamming point. If various measures still do not work, please
Do not force the pump down to avoid damage to the submersible electric pump and the well.
2. Durante a instalación, debe colocarse unha almofada de goma na brida de cada tubo e apertar uniformemente.
3. Cando se baixa a bomba de auga no pozo, debe colocarse no medio do tubo do pozo para evitar que a bomba funcione contra a parede do pozo durante moito tempo, provocando que a bomba vibre e que o motor varrer e queimar. .
4. Determine a profundidade da bomba de auga ata o fondo do pozo segundo as condicións de area e limo fluídos do pozo. Non enterre a bomba na lama. A distancia desde a bomba de auga ata o fondo do pozo xeralmente non é inferior a 3 metros (ver Figura 2).
5. A profundidade de entrada de auga da bomba de auga non debe ser inferior a 1-1,5 metros desde o nivel dinámico da auga ata o nó de entrada de auga (ver Figura 2). En caso contrario, os rodamentos da bomba de auga poden danar facilmente.
6. A elevación da bomba de auga non pode ser demasiado baixa. En caso contrario, é necesario instalar unha válvula de compuerta na canalización de auga da cabeza do pozo para controlar o fluxo da bomba no punto de fluxo nominal para evitar que o motor se sobrecargue e se queime debido a grandes caudais.
7. Cando a bomba de auga está funcionando, a saída de auga debe ser continua e uniforme, a corrente debe ser estable (en condicións de traballo nominales, xeralmente non máis do 10% da corrente nominal), e non debe haber vibracións ou ruídos. Se hai algunha anormalidade, a máquina debe pararse para descubrir a causa e eliminala.
8. Ao instalar, preste atención á configuración do cable de posta a terra do motor (consulte a Figura 2). Cando o tubo de auga é un tubo de aceiro, lévao desde a abrazadeira da cabeza do pozo; cando o tubo de auga é un tubo de plástico, lévao desde a marca de conexión a terra da bomba eléctrica.

• 1.Despois de instalar a bomba sumerxible, verifique de novo a resistencia de illamento e a condución trifásica do interruptor, comprobe se o instrumento e a conexión do equipo de inicio están incorrectos, se non hai ningún problema, pódese iniciar a máquina de proba. e observe se as lecturas do indicador do instrumento superan a tensión nominal e a corrente especificadas na placa de identificación despois do inicio, e observe se a bomba ten fenómenos de ruído e vibración, e poña en funcionamento se todo é normal.
• 2.Despois da primeira operación da bomba durante catro horas, o motor debe apagarse para probar rapidamente a resistencia de illamento térmico e o seu valor non debe ser inferior a 0,5 megaohmios.
• 3.Despois de apagar a bomba, debe iniciarse despois de cinco minutos para evitar que a columna de auga do tubo se refluxa por completo e provoque unha corrente excesiva do motor e queimadura.
• 4.Despois de poñer a bomba en funcionamento normal, para prolongar a súa vida útil, é necesario comprobar se a tensión de alimentación, a corrente de traballo e a resistencia de illamento son normais regularmente. Se se atopan as seguintes condicións, a bomba debe apagarse inmediatamente para solucionar os problemas.
•  
• 1 In the rated condition, the current exceeds 20%.
• 2 O nivel dinámico da auga baixa ata a sección de entrada de auga, provocando auga intermitente.
• 3 A bomba sumerxible presenta vibracións ou ruídos graves.
• 4 A tensión de alimentación é inferior a 340 voltios.
• 5 Un fusible está queimado.
• 6 O tubo de abastecemento de auga está danado.
• 7 The motor's thermal insulation resistance is lower than 0.5 megaohm.
•  
• Unit disassembly:
• 1.Untie the cable tie, remove the pipeline part, and remove the wire plate.
• 2.screw down the water bolt, put the water in the motor chamber.
• 3.remove the filter, loose the fixed screw on the coupling to fix the motor shaft.
• 4.screw down the bolt connecting the water inlet section with the motor, and separate the pump from the motor (pay attention to the unit cushion when separating, to prevent the bending of the pump shaft)
• 5.the disassembly sequence of the pump is: (see figure 1) water inlet section, impeller, diversion shell, impeller...... check valve body, when removing the impeller, use special tools to loosen the conical sleeve of the fixed impeller first, and avoid bending and bruising the pump shaft in the process of disassembly.
• 6.the disassembly process of the motor is: (see figure 1) place the motor on the platform, and remove the nuts, base, shaft head locking nut, thrust plate, key, lower guide bearing seat and double head bolt from the bottom of the motor in turn, and then take out the rotor (pay attention not to damage the wire package) and finally remove the connecting section and upper guide bearing seat.
• 7.unit assembly: before assembly, the rust and dirt of the parts should be cleaned, and the mating surface and fasteners coated with sealant, and then assembled in the opposite order of disassembly (the motor shaft moves up and down after assembly for about one millimeter), after assembly, the coupling should be flexible, and then the filter screen test machine. Submersible pumps shall be taken out of the well for dismantling and maintenance according to Article 5 after a year of operation, or less than a year of operation but two years of diving time, and the worn parts shall be replaced.

This product is an efficient and durable submersible electric pump, suitable for a variety of environments and applications.In order to ensure the long-term use and stable performance of the product, we suggest that users pay special attention to drying the water in the motor cavity in winter to avoid freezing; in addition, the cable is coiled and tied, and properly stored in an environment without corrosive substances and gases, with a temperature below 40 °C. If the product is not used for a long time, attention should be paid to rust prevention treatment to ensure the life cycle and performance of the product.Whether for industrial use or for home use, this submersible electric pump can provide you with reliable pump service.

1. • Impulsor
   • Manga do eixe
   • Funda de eixe de goma

   •  Anel de selado

01 Toma de auga de pozo profundo

02 Subministro de auga en rañaceos

03 abastecemento de auga de montaña 

04 torre de auga

05 Rego agrícola

06 rego do xardín

07 captación de auga do río

08 auga doméstica