Pumps, Valves & Liquid Handling
New Magnetically Coupled Rotary Vane Pump Introduced The Duo 11 ATEX rotary vane pump, which meets
ATEX directive 2014/34/EU, was brought to the market by Pfeiffer Vacuum for processes taking place in potentially explosive atmospheres or conveying explosive
gases and vapors. As such, it satisfies the most stringent explosion protection requirements.
The ATEX certification applies for both the interior and exterior of the pump. The Duo 11 ATEX is classified as equipment category 3G and temperature class T4. It can convey all gases up to and including explosion group IIC.
The pumping speed is 9 m./h at 50 Hz and 10.5 m./h at 60 Hz. The Duo 11 ATEX is equipped with a frictionless magnetic coupling. The shaft seal rings that are used with other rotary vane pumps can be dispensed with as a result. The extra safety which the magnetic coupling provides is important in explosive atmospheres: without shaft seal rings, it is impossible for media inside the pump to escape out through faulty shaft seal rings.
Explosion-proof equipment is required in many types of applications: potentially explosive gases are used in numerous industrial processes. Hazardous gas atmospheres are present in applications such as research experiments, various industrial processes, biotechnology, and chemistry laboratories. Gas filling machines are also vulnerable to a massive risk of explosion. The new Duo 11 ATEX from Pfeiffer Vacuum can be used in all these areas.
7358ad@reply-direct.com Racking System Provides a Greener Alternative for Pipetting
Mettler Toledo’s Rainin TerraRacks™ have enabled the European Institute of Oncology in Milan, Italy, to adopt a more environmentally-friendly approach to manual pipetting. Dr Bronislava Matoskova, Molecular Medicine Program Manager, explained: “As well as regular biochemistry and molecular biology studies, we analyse human tissue, blood and serum as part of a molecular medicine research program. We use large numbers of pipette tips and are keen to reduce the environmental impact of our work as much as possible. When I saw the TerraRack, I was immediately captivated by its green concept, which minimises the waste produced. It was love at first sight!”
“TerraRacks are transparent and the hinged lid ensures that the tips remain clean and free from contaminants, which is crucial for any application where sterility is important. I’m particularly pleased about the environmental benefits. The TerraRack is lightweight and can be compressed so that it takes up less space, and its companion TerraBase™ is reusable, reducing the amount of waste generated. Whether you dispose of laboratory waste by weight or volume, it’s a win-win situation.”
41249pr@reply-direct.com Easy-Clean, Quick-Strip Pumps for Food and Pharma Duty
Transferring liquids in food, brewing, pharmaceutical and other similar hygienic process applications requires reliable, easy-to-clean and easy-to- maintain pumps. Liquids handling specialists Pump Engineering offer a wide range of pumps which are ideal for these situations. For example their range of CSF CS, CSA and CSM centrifugal pumps are capable of handling capacities from 1 to 550 m3/hour at heads up to 155 metres.
CSF pumps are manufactured in investment cast AISI 316L stainless steel, with stainless steel for all wetted parts. They also feature a 6 vane impeller which ensures gentle and effective handling of the ingredients used in many food and pharmaceutical processing applications, for example syrups for soft drinks manufacturing and those containing particles or small solids.
The pumps are designed for CIP (Clean-in-Place) to ensure the absence of dead areas and feature electro-polished finishing of all surfaces. CSF pumps are available with standard or ATEX certified motors, these are back pull-out design and fitted with a quick-release clamp to enable fast and simple dismantling.
The CSA version has an electro polished finish to 0.5µm Ra and is approved to US FDA 3A standard or European EHEDG standards, with an aseptic version available for pharmaceutical applications.
Depending on the duty CSF-CS and CSA pumps can be supplied with an internal or external single mechanical seal or flushed double mechanical seal for handling high temperature liquids, or those with a tendency to crystallise. Elastomers are available in a choice of Viton, EPDM, silicon or PTFE applications for CSF-CS hygienic pumps include transferring syrups, sugar solutions, flavourings, salad washing, alcohols, beer, milk, oils, vinegar, fruit juices, high purity water, CIP solutions, suspensions, yeast and melted butter.
41611pr@reply-direct.com 41608pr@reply-direct.com
The Spotlight could be on you! Contact Gwyneth Astles on +44 (0)1727 855574 or email:
gwyneth@intlabmate.com
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