Materials Handling
unloaders and bin evacuation systems that are capable of moving a broad range of viscosities - from items such as juice (or materials less than 5000cps) to peanut butter (or materials up to one million cps). All SaniForce models are FDA-compliant and meet CFR Title 21.
the industry’s need for the rapid cycling of big chamber pump downs and large volumes of hydrogen during solar cell manufacturing processes, the DS series range meets these pumping requirements in a powerful, cost- effective modular system. The new models also come with
options that address specific harsh process issues and energy saving requirements - up to 30 per cent energy savings are possible, says the company. Finally Optimec, a manufacturer
of soft contact lens measurement instrumentation, required an accurate and effective method of pumping a closed circuit of filtered and temperature controlled saline solution through a soft contact lens measurement instrument wet cell for its TC20i and TSC3 control units. After a detailed consultation
Fig. 2. Simple maintenance is one of many benefits associated with EcoSine pumps from Watson Marlow.
The new Busch DS series COBRA vacuum pump range has a 20 per cent smaller footprint than the previous generation, and has superior powder handling capabilities resulting from its novel screw pump design. These pumps target high capacity load lock and
harsh process vacuum for solar applications, as well as flat panel manufacturing applications. Designed to meet
with Optimec, a Verderflex M045 OEM pump was selected. This recommendation was made for the following reasons: the pump’s quick and easy tube change ensured simplicity for routine maintenance procedures, allowing for a hygienic and sterile process with minimal downtime; the option to have both 12V and 110V drives ensured a readily available
solution meet global demand; the compatibility with external controls allowed Optimec to implement the M045 Pump head within its unit for accurate and effective voltage control, achieving the exact flow required; and the small footprint of the M045 fitted perfectly within the unit for a cost effective and compact solution. ■
Seal-less pumps ideal for tough process environments
metering, pressure injection, liquid transfer and many other applications. Chemicals can be aggressive, corrosive, abrasive, and non-lubricating - all characteristics that make them difficult to pump. Hydra-Cell chemical pumps are available with a variety of liquid head materials and are compatible with the widest range of chemical fluids The pumps can handle corrosive, abrasive liquids, non-lubricating liquids and those containing solids, over a wide range of pressures
W
anner’s Hydra-Cell seal-less chemical pumps are used worldwide by many process companies - for
and temperatures. With no dynamic seals or packings, Hydra-Cell chemical pumps can run dry without damage and require minimal maintenance.
According to Wanner, in metering and dosing applications, direct comparison with traditional metering pumps reveals lower costs for acquisition, energy consumption and maintenance, making the Hydra-Cell best in class for life cycle cost. Its compact build, with multiple diaphragms integrated in a single pump head, produces a virtually pulseless flow. Resulting accuracies are better than required by API 675
performance criteria. Often there is no need for pulsation dampeners. The smooth flow also eliminates leaks that could occur in the discharge piping due to pipe strain.
As an example of its use, Hydra-Cell pumps have recently helped a carbon black manufacturer overcome a serious process challenge. The basic process involves spraying petroleum by-products into an incinerator and then removing the carbon black that lines the inside of the vessel. The aggressive manufacturing regime can ruin cups, packing and seals. Hydra-Cell pumps proved the ideal solution for these conditions. ■
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