It is a dry pump of the claw type for chemical applications, minimizing local condensation of process gases and accumulation of fine particles.
The dry pump EDP series is primarily used in the chemical and pharmaceutical industries for distillation and drying processes. It employs a non-contact design with counter-rotating claw rotors and a vertical pump mechanism, minimizing local condensation of process gases and accumulation of fine particles within the pump. The exhaust flow rates are available in four types: 80m³/h, 160m³/h, 250m³/h, and 400m³/h, with achievable pressures ranging from 20 to 50 Pa. Additionally, it features a torque limiter, labyrinth seal, PTFE lip seal, and heat exchanger. This pump is explosion-proof and has passed explosion resistance tests conducted by an independent external organization, complying with the European explosion-proof standard ATEX. In Japan, it is possible to retrofit with a Japanese explosion-proof motor.
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basic information
**Features** ○ Eliminates waste liquid from the vacuum system - The dry-type vacuum pump does not use oil, steam, or high-pressure water in the vacuum exhaust system. - Contaminants typically associated with conventional vacuum systems are removed from the source. - Performance can be achieved without generating contamination. ○ Dry vacuum environment - No contamination in the vacuum system. - No contaminated waste liquid is generated. - Cleanliness is improved, and downtime is reduced. - Flexibly accommodates various processes and conditions. - No troublesome oil storage is required. - Utility costs and consumable expenses are reduced. ○ Low running costs - Low power consumption. - Adjustable cooling water flow rate. - Minimal seal purge flow rate. - Easy maintenance, with an overhaul span of about 3 years.
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Applications/Examples of results
【Applications】 ○ Distillation ○ Drying ○ Deposition ○ Stripping ○ Reactor vessel cleaning ○ Solvent recovery ○ House vacuum
Company information
Edwards is the world's largest manufacturer of vacuum pumps and exhaust gas treatment equipment (pollution control devices), founded in the UK in 1919. Our mission is to provide vacuum solutions that address our customers' challenges through a range of products and services based on vacuum technology. We are committed to product development, testing and evaluation, after-sales service, and employee training on a daily basis. With a global network and high technical capabilities, our service factories have stable repair capabilities, ensuring that customers in any region can use our products with confidence.
