Distillation tests are conducted regularly in the chemistry laboratory. However, which vacuum pump is best suited for the rotary evaporator? Also, is the pump currently in use the correct one? You can find the optimal pump in four simple steps.

- Understanding pressure pulsation - Types of pulsation dampers - Components of pulsation dampers - How pulsation dampers work - Selecting the appropriate pulsation damper - Advantages of pulsation dampers - Knowledge and support for KNF's pulsation dampers

Biogas is an important pillar for the energy industry in aiming for a sustainable future. Biogas produced from various organic materials such as corn stalks and liquid fertilizers is a carbon-neutral fuel since it does not use fossil fuels. However, this promising energy source also has technical challenges that require cutting-edge solutions. This involves several steps where pumps play a fundamental role, and KNF is pleased to provide the ideal technology. There are multiple challenges in the transport and compression of biogas. The raw biogas emitted from bioreactors is usually fully saturated with water and contains impurities and about 40% carbon dioxide (CO2). Furthermore, this gas is flammable and must not be released into the atmosphere as it is a potent greenhouse gas. Due to these characteristics, pumps that are highly airtight, do not affect the integrity of the medium, and can easily handle various chemicals and condensate are required.

- High energy efficiency (energy-saving) - Safety - Durability From generation to conversion into electrical energy for fuel cells, KNF's pumps guarantee smooth operation in all areas. For over 20 years, KNF has been developing liquid and gas pumps. The materials and technologies of our modular pumps are precisely tailored to specific applications. Our strength lies in using our well-tested pump series as a starting point for collaborative engineering with our customers. KNF has remained a reliable partner in both research and industry worldwide for decades. Our diaphragm pumps are essential components in many hydrogen projects in laboratories and continuous production. Our flexible modular system has repeatedly proven its ability to meet new demands with very short innovation cycles.

The KNF NPK swing piston pump enables medical device manufacturers to accurately control pressure in compact shock wave therapy devices, enhancing the treatment effects for musculoskeletal disorders and other conditions through shock wave stimulation. The latest extracorporeal shock wave therapy (ESWT) devices generate pressure waves precisely for effective treatment of a wide range of diseases. At the core of this technology, the KNF NPK piston pump provides the stable pressure generation and precise control required by medical device manufacturers. High-pressure pumps realize advanced shock wave therapy, which is an innovative medical treatment method that generates radial or focused shock waves using specialized equipment.

KNF provides high-quality engineering, meticulous design, and outstanding innovation. For our family-owned independent company, solving our customers' challenges is our greatest joy. We prioritize offering custom solutions using diaphragm, solenoid, swing piston, and boxer pump technology, as well as cutting-edge materials. But it doesn't stop there. By providing comprehensive advice and customer service, we strive to support you in making the best decisions possible, whether it's selecting materials and components or quickly starting continuous production. KNF is highly regarded by our customers as a reliable partner at every step of realizing your plans. - Diaphragm pump technology - Custom design solutions - KNF Technology Hub - Driven by innovation

Our company understands what is important to our customers. At KNF, we focus on developing intuitive solutions for the daily challenges in laboratory work. We provide user-friendly products equipped with a compact design and convenient features that guarantee low noise, high performance, and absolute reliability. - Centrifugal concentration - Degassing, vacuum drying - Rotary evaporator & distillation - Aspiration (fluid suction) - Filtration - Gel drying - Quantitative injection, liquid transfer, weighing - Liquid transfer - Solid phase extraction (SPE) - Vacuum drying

Improvement of efficiency and quality in automation technology through the use of vacuum systems Automation systems equipped with vacuum grippers, also known as vacuum cups, enhance productivity, especially in an era of labor shortages. These systems are ideal for repetitive tasks in manufacturing, quality control, and packaging due to their superiority in maintaining hygienic environments and handling delicate surface treatments. These robots can perform tasks such as picking from unclassified bulk materials, loading and unloading CNC machines, positioning small parts, and packaging products. Additionally, automation can be applied to more complex tasks. NKF vacuum pumps play a central role by providing the necessary suction pressure to enable flexible and precise control.

KNF provides the latest printer pump solutions for the diverse challenges of DOD and CIJ inkjet technologies. Increasing demand in modern inkjet technology The current printing industry faces many challenges and new obstacles. Users demand quick printing and rapid response times when printing tasks change. However, the increased use of water-soluble inks has fostered recent environmental policies within the industry that seek innovative and customized technical solutions. KNF is well aware of these trends and supports users with high-quality components that contribute to these technical challenges. Printing without inkjet pumps is unimaginable. In this field, KNF pumps are responsible for numerous challenges such as ink supply, ink recycling, and ink degassing. Users place importance on pump quality, durability, ease of customization, and various other challenges. - Ideal choice: diaphragm pumps - Customized OEM inkjet pumps - Offering a wide range of material options for various inks

KNF Pump Solutions Deliver Results in Medical Applications From medical vacuum pumps to liquid diaphragm pumps and swing piston compressors, medical device manufacturers recognize that KNF's design, manufacturing, and corporate philosophy align extremely well with the vast requirements demanded by numerous medical devices. KNF's pumps for medical devices play a crucial role in the rapid recovery of patients. Therefore, we emphasize design excellence, product quality, change management, and adherence to procedures when designing our pump solutions. Furthermore, KNF is well-versed in the regulations, audits, and complex approval processes of regulatory authorities in the medical field. As a reliable partner in the development of pumps for medical devices, KNF consistently supports its customers, leveraging decades of experience accumulated through collaboration with medical device manufacturers.

The energy sector is undergoing significant changes due to environmental issues. This has led to an active exploration of new energy sources, such as solar and wind power, biofuels, green hydrogen, and new energy carriers like ammonia. Additionally, there are ongoing efforts to improve and optimize existing technologies and processes to eliminate unnecessary emissions and enhance efficiency. KNF plays a crucial role in both areas and takes pride in being part of the solutions to this major global challenge. - Diaphragm pumps for sustainable energy technology - Hydrogen energy - Syngas and biogas business - Improving midstream efficiency - How KNF can support energy transition

KNF provides state-of-the-art oil-free vacuum pumps and liquid pumps that meet the stringent standards of the semiconductor industry. - Reasons why diaphragm pumps are optimal for vacuum generation - Recirculation of inert gas for lithography lasers - Reasons why diaphragm pumps should handle semiconductor process liquids

Needles and similar diagnostic components need to be cleaned every time they handle different reagents or samples. KNF's liquid diaphragm pumps are essential for keeping them clean. Diagnostic equipment frequently uses needles for the administration of reagents and the transfer of sample specimens to perform important diagnostic tests. These needles must be thoroughly cleaned to avoid cross-contamination and eliminate the risk of false positive test results. However, this process can be surprisingly challenging. To completely clean the needles, it is necessary to force cleaning solution through them at a sufficiently high flow rate to remove all residues.

Vessels powered by LNG are revolutionizing ship propulsion with cleaner and lower emissions technology. KNF's explosion-proof diaphragm pumps play a crucial role in ensuring safety through continuous leak testing of gas control systems, complying with strict ATEX specifications and marine certifications. Gas control systems utilizing explosion-proof diaphragm pumps must continuously monitor LNG supply and the controlled combustion process of large engines to ensure the reliability and safety of the integrated gas control system. For this reason, each safety module of the gas control system used is equipped with at least two diaphragm pumps, such as the KNF N680.1.2 Ex.

KNF offers a wide range of explosion-proof diaphragm pumps designed for the use of gases and liquids in diverse and harsh environments. These pumps provide a safe solution for handling aggressive media while delivering high performance in applications where it is required. KNF has extensive experience in constructing explosion-proof pumps that meet various global standards.

OEM, Process Industry, Laboratory Liquid Diaphragm Pumps As a technology leader in diaphragm pumps, KNF develops and manufactures cutting-edge liquid diaphragm pumps. They are produced in Schursee at KNF Flodos AG, one of the four Swiss locations of the KNF Group. These high-quality products are highly regarded by OEM manufacturers, process industries, and laboratory users around the world. With self-priming capabilities and safe dry running, KNF's customized liquid pumps are used in the most demanding applications.

Advanced Pump Motor Technology for Diaphragm Pumps KNF has announced six new pump series that incorporate cutting-edge brushless direct current (BLDC) pump motor technology. With a completely new in-house developed pump drive unit from the digital customization series, KNF pushes the technical limits of diaphragm pumps and once again offers customers several unique and significant advantages. This advanced motor combines excellent durability, compact size, and many options for digital customization.

Flexible, custom-made, cost reduction KNF understands that there are no two customer requirements that are the same. Therefore, we offer a high degree of flexibility and a wide range of customization. Our sophisticated modular system allows us to provide quick, efficient, and cost-effective solutions. With our expertise in pumps, we analyze your application and recommend the optimal pump that meets your necessary requirements. We have over 100 types of standard pumps for gases and liquids, which can be modified or adjusted to provide solutions tailored to each customer.

In food service applications, a large number of commercial dishwashers are relied upon to ensure smooth operations and customer satisfaction. Diaphragm pumps are key to effective commercial dishwashing, playing various roles in these systems. Diaphragm pumps are a powerful option for introducing rinse aids, detergents, and sanitizers into commercial dishwashers. Typically, rinse aids and sanitizers are diluted with water before being sprayed onto dishes, while detergents are introduced directly into the machine. Because the pressure required to discharge these into a standard water pressure line is high, commercial dishwashers need to rely on powerful pumps.

Understanding pump cavitation is essential for maintaining pump performance. I will explain the causes of cavitation, its effects, and measures regarding system efficiency, lifespan, and media integrity.

The KNF gas pump plays an important role in laser dental treatment. It is used to generate compressed air, which is mixed with water to produce a spray mist. This mist helps to cool the oral area during treatment. Both the NPK 09 and NPK 09.1.2 are essential to this process. These swing piston gas pumps are oil-free, have a high performance-to-size ratio, and are highly reliable. The flow rates are 15 l/min and 24 l/min respectively, with a maximum pressure of 7 bar (gauge pressure) for both pumps. Liquid diaphragm pumps also play an important role in laser dental treatment. Pumps like the FMM 20 are typically used to cool the laser with deionized water. The FMM 20 is designed for dry running, is self-priming, and is maintenance-free. Its maximum flow rate is 0.018 l/min, maximum pressure is 1 bar (gauge), and maximum suction height is 3 mH20.

The latest foot disease treatment equipment uses high-quality gas and liquid diaphragm pumps, providing safety, hygiene, and comfort for both patients and medical staff. For many people, professional foot care is an essential part of a high-quality life. It starts with beauty treatments for grooming and extends to medical care that is crucial for maintaining healthy feet, healing wounds, and supporting the overall health of patients. Regardless of whether it is for beauty or medical purposes, most treatments involve some form of foot disease treatment equipment, with KNF diaphragm pumps playing a key role.

Liquid cooling functions by circulating a liquid called coolant through pipes and tubes, absorbing heat and dissipating it from critical components. This lowers the temperature of important parts such as condensers, inductors, and control circuits, improving charging efficiency and extending product lifespan. The coolant is typically a mixture of glycol and water to prevent freezing and boiling. High-quality liquid pumps are essential for effective liquid cooling operations. A consistent and stable flow rate is necessary for these systems to function properly, allowing the coolant to maintain an appropriate temperature while effectively dissipating heat from the elements. Reliability is also crucial, as coolant leaks can cause catastrophic damage to equipment.

The auxiliary artificial heart equipped with a KNF pump shortens the waiting time for donor organ provision. The KNF diaphragm pump plays an important role in the auxiliary artificial heart. Reliable continuous operation of the blood pump and components is required for simulated heartbeat. The KNF modular system successfully meets customer-specific requirements.

Regardless of the application, it is difficult to choose the best pump for the job. There are many liquid pump technologies available, but diaphragm liquid pumps and tube pumps (peristaltic pumps) are both commonly used. However, which technology is superior? And what applications are they suitable for? Choosing a pump is challenging due to the many factors to consider and the challenges associated with the diverse pump technologies available. The diaphragm pump and tube pump (peristaltic pump) are frequently adopted as liquid pump technologies. Both types of pumps are used in various applications. Below, we will discuss the advantages and disadvantages of these different pump technologies.

Noble gases such as helium, neon, and argon are essential in a wide range of industries and scientific research. From aerospace applications to the semiconductor industry, their unique properties bring significant benefits. The recovery of noble gases not only helps protect natural resources but also reduces the environmental impact of their production. By recovering and reusing these gases, the industry can minimize waste and reduce dependence on new gas sources, contributing not only to economic benefits but also to overall sustainability. Two-stage diaphragm pumps like the KNF N630.15 series are particularly advantageous for the recovery of noble gases. They combine efficient and reliable performance under harsh conditions with flexibility to accommodate a wide range of capacities, pressures, and gas compositions. Additionally, their compact design and inherent gas-tightness minimize gas leakage while providing high versatility and customizability for applications ranging from small to large scale. To ensure this, these pumps undergo additional helium leak testing before shipment.

To select the ideal diaphragm pump, it is necessary to recognize the characteristics of the medium being transferred. This will explain the differences between aerosols, wet gases, and condensate, as well as the processing methods using diaphragm pumps.

Due to the ongoing COVID-19 pandemic affecting nearly every country, the search for and development of easy-to-use and effective disinfection technologies have become more active than ever. One of the technological innovations in this field is disinfection using ionized hydrogen peroxide mist. This new technology relies on KNF pumps that operate with both stationary and portable devices.

The KNF medical vacuum pump is a key component of the NPWT (Negative Pressure Wound Therapy) device designed to address complex and chronic wounds.

Two pilots flying round trip from Patagonia to Alaska gained insights into the distribution of black carbon and carbon dioxide across the Americas using KNF pumps. With over 150 hours of flight time and more than 40,000 km (over 24,000 miles) traveled, these passionate pilots visited more than 22 countries in the Americas. The KNF pump was installed in their homemade aircraft.