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China Hot selling Electric Motor High Suction Lift Sewage Pump Running Without Vacuum Device vacuum pump booster

Descrizione del prodotto

Descrizione del prodotto

Kangqiao Vertical Suction Cooling Air Condition Water Chemical Centrifugal Axial Flow Pump for Chloride Evaporation Forced Circulating with ISO/CE

Product standard
IS57158

Flow range: 17~500m3/h
Lift range: 12.5~703m
Motor power: 1.5~75kw

 Product feature

Application range
Product feature

Performance parameters of the table

 

Profilo aziendale

 

 

 

 

 

I nostri vantaggi

Why Choose CHINAMFG Pump

) Excellent quality, competitive price, prompt delivery, on-time service and good reputation.
) Low minimum order
) We offer knowledgeable tech support before and after the sale.
) We pass the authentication of ISO,API,CE.

Service Policy
         Junfu’s Warranty Policy are provided by ZheJiang Kangqiao Electromechanical Equipment Technology Co., Ltd and cover defects in workmanship and materials. 

         The goods provided by the seller must ensure that they fully comply with the requirements of the contract and are suitable for the intended use in design and construction; Must meet or exceed all performance values and tolerances; The goods must be tested in accordance with the provisions of the contract and its attachments to demonstrate their ability and compliance with the technical specifications and performance data.
If the goods or any part thereof cannot comply with the provisions of the contract, the seller must remedy the defect and/or inspect and retest the goods for the buyer free of charge, without any financial restrictions, and must complete the work within the time agreed CHINAMFG by both parties. If the goods cannot be remedied or corrected, the buyer has the right to reject the goods. In this case, the seller must replace the rejected goods or replace them with suitable goods to meet the requirements of the contract. The replacement work must be completed within the delivery time that cannot exceed the originally agreed contract delivery date.
The seller must implement an effective quality assurance system during the organizational process, which has the same requirements as those specified in the IS09000 series 2000 edition. The products provided must comply with the requirements of the HSE management system standard, which is 0SHA180001/HSEo
The warranty period for the 4 pumps is 18 months from the date of shipment or 12 months after operation. During this period, if any manufacturing quality issues occur, the supplier will replace the parts free of charge. If any pump malfunctions occur due to the buyer’s reasons, the supplier will also provide timely assistance in handling them. The supplier guarantees that the warranty period for the replaced parts is 1 year.

Payment Term

Payment Terms T/T EXW 50% T/T in advance, the balance to be paid before dispatch
FOB
CIF 50% T/T in advance, the balance to be paid against the copy of B/L
CFR (C&F)
L/C Irrevocable L/C at sight could be accepted if amount above US $50,000.00
Delivery Time 30-45 days after receiving advanced payment

 

FAQ

1. When can I get the quotation?
We usually quote 24 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in your e-mail so that we will regard your inquiry priority.

2. Can you do the design for us?
Yes. We have a professional team having rich experience in design and manufacturing. Just tell us your idea and we will help to carry out your ideas. It does not matter if you do not have someone to complete files. Send us high resolution images, your logo and text and tell us how you would like to arrange them. We will send you finished files for confirmation.

3. What about the lead time for mass production?
Honestly, it depends on the order quantity and the season you place the order. The lead time of MOQ is about 30 to 45 days(Except for the selected brand).Generally speaking, we suggest that you start inquiry 2 months before the date you would like to get the product at your country.

4. What is your terms of delivery?
We accept EXW, FOB, C&F and CIF, etc. You can choose the 1 which is the most convenient or cost effective for you.

Servizio post-vendita: Help Check
Garanzia: 1 anno
Max.Head: 78m
Max.Capacity: 540m3/H
Driving Type: Motore
Impeller Number: Single-Stage Pump
Personalizzazione:
Disponibile

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pompa a vuoto

Che cos'è il livello di vuoto e come si misura nelle pompe per vuoto?

Il livello di vuoto si riferisce al grado di pressione inferiore alla pressione atmosferica in un sistema a vuoto. Indica il livello di "vuoto" o l'assenza di molecole di gas nel sistema. Ecco una spiegazione dettagliata della misurazione del livello di vuoto nelle pompe per vuoto:

Il livello di vuoto viene tipicamente misurato utilizzando unità di pressione che rappresentano la differenza tra la pressione nel sistema di vuoto e la pressione atmosferica. L'unità di misura più comune per il livello di vuoto è il Pascal (Pa), che è l'unità SI. Altre unità comunemente utilizzate sono il Torr, il millibar (mbar) e i pollici di mercurio (inHg).

Le pompe per vuoto sono dotate di sensori di pressione o manometri che misurano la pressione all'interno del sistema del vuoto. Questi manometri sono progettati specificamente per misurare le basse pressioni che si incontrano nelle applicazioni del vuoto. Esistono diversi tipi di manometri utilizzati per misurare i livelli di vuoto:

1. Misuratore Pirani: I misuratori Pirani funzionano in base alla conduttività termica dei gas. Sono costituiti da un elemento riscaldato esposto al vuoto. Quando le molecole di gas si scontrano con l'elemento riscaldato, trasferiscono il calore, provocando una variazione di temperatura. Misurando la variazione di temperatura, è possibile dedurre la pressione e determinare il livello di vuoto.

2. Misuratore a termocoppia: I misuratori a termocoppia sfruttano la conducibilità termica dei gas, come i misuratori Pirani. Sono costituiti da due fili metallici dissimili uniti insieme, che formano una termocoppia. Quando le molecole di gas si scontrano con la termocoppia, causano una differenza di temperatura tra i fili, generando una tensione. La tensione è proporzionale alla pressione e può essere calibrata per fornire una lettura del livello di vuoto.

3. Manometro a capacità: I manometri a capacità misurano la pressione rilevando la variazione di capacità tra due elettrodi causata dalla deflessione di un diaframma flessibile. Al variare della pressione nel sistema di vuoto, il diaframma si sposta, modificando la capacità e fornendo una misura del livello di vuoto.

4. Misuratore di ionizzazione: I misuratori a ionizzazione funzionano ionizzando le molecole di gas nel sistema di vuoto e misurando la corrente elettrica risultante. La corrente ionica è proporzionale alla pressione e consente di determinare il livello di vuoto. Esistono diversi tipi di misuratori a ionizzazione, come quelli a catodo caldo, a catodo freddo e di Bayard-Alpert.

5. Misuratore di Baratron: I misuratori di Baratron utilizzano il principio della manometria capacitiva, ma con un design diverso. Sono costituiti da una membrana sensibile alla pressione separata da un piccolo spazio da un elettrodo di riferimento. La differenza di pressione tra il sistema di vuoto e l'elettrodo di riferimento provoca la deflessione del diaframma, modificando la capacità e fornendo una misura del livello di vuoto.

È importante notare che i diversi tipi di pompe per vuoto possono avere intervalli di pressione diversi e possono richiedere manometri specifici adatti alle loro condizioni operative. Inoltre, le pompe per vuoto sono spesso dotate di manometri multipli per fornire informazioni sulla pressione in diverse fasi del processo di pompaggio o in diverse parti del sistema.

In sintesi, il livello di vuoto si riferisce alla pressione inferiore alla pressione atmosferica in un sistema a vuoto. Viene misurato utilizzando manometri progettati specificamente per ambienti a bassa pressione. I tipi più comuni di manometri utilizzati nelle pompe per vuoto sono i manometri Pirani, i manometri a termocoppia, i manometri a capacità, i manometri a ionizzazione e i manometri Baratron.

\pompa a vuoto

Can Vacuum Pumps Be Used for Soil and Groundwater Remediation?

Vacuum pumps are indeed widely used for soil and groundwater remediation. Here’s a detailed explanation:

Soil and groundwater remediation refers to the process of removing contaminants from the soil and groundwater to restore environmental quality and protect human health. Vacuum pumps play a crucial role in various remediation techniques by facilitating the extraction and treatment of contaminated media. Some of the common applications of vacuum pumps in soil and groundwater remediation include:

1. Soil Vapor Extraction (SVE): Soil vapor extraction is a widely used remediation technique for volatile contaminants present in the subsurface. It involves the extraction of vapors from the soil by applying a vacuum to the subsurface through wells or trenches. Vacuum pumps create a pressure gradient that induces the movement of vapors towards the extraction points. The extracted vapors are then treated to remove or destroy the contaminants. Vacuum pumps play a vital role in SVE by maintaining the necessary negative pressure to enhance the volatilization and extraction of contaminants from the soil.

2. Dual-Phase Extraction (DPE): Dual-phase extraction is a remediation method used for the simultaneous extraction of both liquids (such as groundwater) and vapors (such as volatile organic compounds) from the subsurface. Vacuum pumps are utilized to create a vacuum in extraction wells or points, drawing out both the liquid and vapor phases. The extracted groundwater and vapors are then separated and treated accordingly. Vacuum pumps are essential in DPE systems for efficient and controlled extraction of both liquid and vapor-phase contaminants.

3. Groundwater Pumping and Treatment: Vacuum pumps are also employed in groundwater remediation through the process of pumping and treatment. They are used to extract contaminated groundwater from wells or recovery trenches. By creating a vacuum or negative pressure, vacuum pumps facilitate the flow of groundwater towards the extraction points. The extracted groundwater is then treated to remove or neutralize the contaminants before being discharged or re-injected into the ground. Vacuum pumps play a critical role in maintaining the required flow rates and hydraulic gradients for effective groundwater extraction and treatment.

4. Air Sparging: Air sparging is a remediation technique used to treat groundwater and soil contaminated with volatile organic compounds (VOCs). It involves the injection of air or oxygen into the subsurface to enhance the volatilization of contaminants. Vacuum pumps are utilized in air sparging systems to create a vacuum or negative pressure zone in wells or points surrounding the contaminated area. This induces the movement of air and oxygen through the soil, facilitating the release and volatilization of VOCs. Vacuum pumps are essential in air sparging by maintaining the necessary negative pressure gradient for effective contaminant removal.

5. Vacuum-Enhanced Recovery: Vacuum-enhanced recovery, also known as vacuum-enhanced extraction, is a remediation technique used to recover non-aqueous phase liquids (NAPLs) or dense non-aqueous phase liquids (DNAPLs) from the subsurface. Vacuum pumps are employed to create a vacuum or negative pressure gradient in recovery wells or trenches. This encourages the movement and extraction of NAPLs or DNAPLs towards the recovery points. Vacuum pumps facilitate the efficient recovery of these dense contaminants, which may not be easily recoverable using traditional pumping methods.

It’s important to note that different types of vacuum pumps, such as rotary vane pumps, liquid ring pumps, or air-cooled pumps, may be used in soil and groundwater remediation depending on the specific requirements of the remediation technique and the nature of the contaminants.

In summary, vacuum pumps play a vital role in various soil and groundwater remediation techniques, including soil vapor extraction, dual-phase extraction, groundwater pumping and treatment, air sparging, and vacuum-enhanced recovery. By creating and maintaining the necessary pressure differentials, vacuum pumps enable the efficient extraction, treatment, and removal of contaminants, contributing to the restoration of soil and groundwater quality.

pompa a vuoto

How Are Vacuum Pumps Different from Air Compressors?

Vacuum pumps and air compressors are both mechanical devices used to manipulate air and gas, but they serve opposite purposes. Here’s a detailed explanation of their differences:

1. Function:

– Vacuum Pumps: Vacuum pumps are designed to remove or reduce the pressure within a closed system, creating a vacuum or low-pressure environment. They extract air or gas from a chamber, creating suction or negative pressure.

– Air Compressors: Air compressors, on the other hand, are used to increase the pressure of air or gas. They take in ambient air or gas and compress it, resulting in higher pressure and a compacted volume of air or gas.

2. Pressure Range:

– Vacuum Pumps: Vacuum pumps are capable of generating pressures below atmospheric pressure or absolute zero pressure. The pressure range typically extends into the negative range, expressed in units such as torr or pascal.

– Air Compressors: Air compressors, on the contrary, operate in the positive pressure range. They increase the pressure above atmospheric pressure, typically measured in units like pounds per square inch (psi) or bar.

3. Applications:

– Vacuum Pumps: Vacuum pumps have various applications where the creation of a vacuum or low-pressure environment is required. They are used in processes such as vacuum distillation, vacuum drying, vacuum packaging, and vacuum filtration. They are also essential in scientific research, semiconductor manufacturing, medical suction devices, and many other industries.

– Air Compressors: Air compressors find applications where compressed air or gas at high pressure is needed. They are used in pneumatic tools, manufacturing processes, air conditioning systems, power generation, and inflating tires. Compressed air is versatile and can be employed in numerous industrial and commercial applications.

4. Design and Mechanism:

– Vacuum Pumps: Vacuum pumps are designed to create a vacuum by removing air or gas from a closed system. They may use mechanisms such as positive displacement, entrapment, or momentum transfer to achieve the desired vacuum level. Examples of vacuum pump types include rotary vane pumps, diaphragm pumps, and diffusion pumps.

– Air Compressors: Air compressors are engineered to compress air or gas, increasing its pressure and decreasing its volume. They use mechanisms like reciprocating pistons, rotary screws, or centrifugal force to compress the air or gas. Common types of air compressors include reciprocating compressors, rotary screw compressors, and centrifugal compressors.

5. Direction of Air/Gas Flow:

– Vacuum Pumps: Vacuum pumps draw air or gas into the pump and then expel it from the system, creating a vacuum within the chamber or system being evacuated.

– Air Compressors: Air compressors take in ambient air or gas and compress it, increasing its pressure and storing it in a tank or delivering it directly to the desired application.

While vacuum pumps and air compressors have different functions and operate under distinct pressure ranges, they are both vital in various industries and applications. Vacuum pumps create and maintain a vacuum or low-pressure environment, while air compressors compress air or gas to higher pressures for different uses and processes.

China Hot selling Electric Motor High Suction Lift Sewage Pump Running Without Vacuum Device   vacuum pump booster	China Hot selling Electric Motor High Suction Lift Sewage Pump Running Without Vacuum Device   vacuum pump booster
editor by CX 2023-11-03

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