Affordable Even at Higher Flow Rates

In pressure gauge 4 นิ้ว ราคา within the oil and gas business, the chemical industry, or even the food industry, pumps that work reliably and supply high efficiency are wanted. At the identical time, they must have convincingly low investment costs. With the Ecosmart diaphragm metering pump, the German Lewa GmbH has offered a cost-attractive and protected mannequin that may handle move charges of as much as 300 l/h for many years. For use in applications with larger flow charges, the pump skilled from Leonberg, Germany, is now expanding its product range with two new sizes. In addition to the LCA version, the Ecosmart will also be available within the extra powerful LCC and LCD versions in the future. While the LCC mannequin can meter in excess of 264 gallons per hour, Lewa designed the LCD for a circulate price of up to 528 gallons per hour. The maximum permissible operating stress for each models is 50 bar and 600 kilos respectively. The stringent use of comparable elements throughout the Ecosmart product family keeps production prices and due to this fact the final worth low. At the same time, a high stage of security may be guaranteed by specializing in all essential design features such because the pressure reduction valve or the confirmed sandwich diaphragm with steady monitoring. The LCC variant was made out there on the end of 2021 and the LCD mannequin will be obtainable by mid-2022.
In addition to the proven diaphragm metering pumps of the Ecoflow sequence, Lewa has provided the less expensive Ecosmart pump for a quantity of years. This is especially due to the truth that although a reliable pump unit is required in numerous processes, at the same time relatively low discharge pressures within the lower two-digit vary require less advanced pump technology. With the Ecosmart LCA within the single pump model, however, solely a move price of beneath eighty gallons per hour was beforehand potential. In order to have the ability to supply the Ecosmart for functions with higher flow charges, the engineers at Lewa started creating two further, larger pump variants in 2019. The purpose was to scale up the Ecosmart to larger applications with the confirmed safety level and high quality Lewa components with out significantly rising the low funding price typical for this pump sequence. This was to be achieved by a constant modular principle within the pump sequence, as well as a strict focus on the essential functions and features. The specifications additionally demanded the usual Lewa suitability for unrestricted steady operation over many years. Options for integrating the pumps into automated methods by way of analog control alerts or bus techniques are additionally a matter after all.
Lewa Ecosmart LCC3 on the check stand.
First of all, the necessities for the conveying capability needed to be implemented constructively. Larger plunger diameters had been chosen for the smaller LCC variant, in order that greater than 264 gallons per hour could be conveyed as a substitute of lower than 80 gallons. In the case of the extra highly effective LCD version, the engineers additionally decided to increase the stroke length so that a maximum move fee of 528 gallons per hour could be achieved. Both pump types can work towards a maximum working pressure of fifty bar. As with all hydraulically actuated diaphragm metering pumps, most pressures are achieved with smaller plunger diameters.
Just as essential because the performance of the pump was the operational reliability typical of Lewa acquainted from other pump series. For this purpose, individual, important options such as the integrated strain security valve or the sandwich diaphragm had been taken over from the Ecoflow models. The individually adjustable pressure safety valve ensures that sudden overpressure within the pump does not harm the diaphragm or pump drive. The diaphragm safety system DPS, whose important part is a return spring for the diaphragm, also ensures that the PTFE sandwich diaphragm always works in the right place. It can’t be overstretched or broken throughout start-up. Thus, the pump is protected against operating errors or upset working situations. Finally, the usual diaphragm monitoring system checks the condition of the diaphragm and warns plant operators instantly if there is any damage. This reliably prevents cross-contamination between the pump and the piping system and ensures operational safety always, especially in delicate areas with poisonous fluids. However, diaphragm monitoring is rarely used as a outcome of Lewa diaphragms of this collection often achieve service lives of several years – even underneath full load and continuous operation.
A key point was to keep manufacturing prices within an identical vary to the small LCA variant, thereby creating enticing market prices for functions with much less demanding necessities and lower operating pressure. To do so, the design of the 2 new pump sizes needed to combine components that are as identical or no less than comparable as possible in order to keep away from excessive manufacturing costs. In this fashion, the Lewa engineers have been in a position to efficiently implement the common elements technique that had already been practiced many times.
Pump customers also profit from this clever modular precept, as many wear parts can be utilized across pump varieties. This significantly simplifies the spare components stock. At the identical time, the modular principle also allows particular person changes to the respective application. For example, stroke frequencies or plunger diameters can be chosen individually. The basis for this is the M900 pump head, which is already used in the LCA variant and in the Ecoflow program.
Lewa Ecosmart LCC in heated cupboard.
The pump’s flexibility additionally offers advantages for plant development: It permits the Ecosmart pump to be oriented both vertically or horizontally, making it simpler to integrate the unit into methods with limited or confined spaces. In addition, the pump head of the new LCC and LCD fashions is aligned at proper angles to the plunger axis, leading to a particularly compact format. In many pumps, the pump head is on the same axis because the plunger, which regularly ends in cumbersome pump dimensions. The 90-degree orientation avoids this with the new models. This advantage is achieved by the extremely compact and completely newly developed, cost-effective diaphragm drive.
In order to make sure the long service life typical of Lewa pumps, only high-quality, sturdy supplies are used in the LCC and LCD variations. Toxic and abrasive substances can stress the pump significantly and so quite so much of supplies can be utilized on the wet end, that are additionally efficiently used in the high-pressure variants of the Ecoflow sequence. Many high-quality components from the Ecoflow collection are additionally used for the drive models, using the widespread components strategy. The result is robustness and durability that is unusual in this pump class. In addition, all Ecosmart pumps have been designed with a single oil bath, which is used for each the lubrication of the drive unit and the hydraulics of the pump head. This eliminates the extra complicated lubrication via two separate oil systems and leads to an easier design, which not solely facilitates operation but additionally reduces upkeep work.
Last however not least, the brand new LCC and LCD versions—like the LCA—comply with the U.S. industry commonplace for metering pumps API 675, ensuring almost limitless usage for quite a few demanding processes in a extensive range of industries.
For instance, when metering solvents in the chemical trade, pumps are needed that on the one hand meet the highest specification requirements and on the opposite hand are still cost-effective. Here, the Ecosmart pump with its higher performance is prepared to meet exactly these necessities, as it has been precisely engineered for purposes in the lower pressure vary as much as 50 bar (600 pounds). The bigger versions of the Ecosmart pump are also appropriate for industrial water remedy, similar to in seawater desalination or industrial cooling circuits. What counts here above all is compactness and cost-effective design, which the whole Lewa Ecosmart series fulfills thanks to its progressive design principle.
Before the new pump variants can be found to prospects, a variety of intensive checks will be carried out. They will ensure that the items also meet the high inside company necessities for reliability and efficiency in operational follow. They embody, on the one hand, continuous load exams of up to a quantity of tens of hundreds of hours and, on the opposite hand, overload exams. In the latter, the pump is run continuously at as much as 20 % above maximum pressure to additional validate its robustness. Special exams are carried out in heated cabinets to proof that the pumps also perform completely underneath extreme ambient situations. After successful completion of all checks and final changes, the Ecosmart model LCC is now on the market, the LCD mannequin will comply with in mid-2022.

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