Screw Pumps - HeptaDry
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™ HeptaDry Dry screw pumps. Optimum ultimate pressure. Absolutely dry. Flexible applications.

Dry screw pumps. Optimum ultimate pressure. Absolutely dry. Flexible applications. With HeptaDry, Pfeiffer Vacuum is once again providing the industry with reliable, high-quality products. This line of dry screw pumps is ideal for your low and medium vacuum applications. What is HeptaDry? HeptaDry is a complete range of dry screw pumps. It is designed, not only for industrial use, but also for coating applications. HeptaDry is the ideal solution for all areas which require oil-free vacuum. Pumping speeds ranging from 100 to 2,500 m³/h are achieved by this product series. One special...

Typical applications Metallurgy Coating Freeze drying Load locks Electron beam welding Gas separation Superclean gas applications

Dry screw pumps. Optimum ultimate pressure. Absolutely dry. Flexible applications. Auxiliary gases By using auxiliary gases, pumps in the HeptaDry range can be optimally adapted to varying processes. This increases the availability and service life of the pumps—for low operating costs and safe processes. Preventing vapor condensation in the pump Keeping process gas away from the gear chamber Flushing or inerting the entire pump chamber Pumping condensable vapors, e.g. drying or freeze drying All applications where gases are pumped that could attack the oil, e.g. the chemical industry...

Freeze drying, pharmaceutical Freeze drying, food

Dry screw pumps. Optimum ultimate pressure. Absolutely dry. Flexible applications. Hepta L The basic version for light processes. The ideal dry industrial pump for conveying air or water vapor. No contamination of the pumped medium by lubricants due to the dry working method. Technical data Nominal pumping speed 50 Hz Nominal pumping speed 60 Hz Ultimate pressure at 50 Hz Ultimate pressure at 60 Hz Weight, approx. Motor rating 50 Hz1) Motor rating 60 Hz1) Sound pressure level 50 Hz Sound pressure level 60 Hz Rated speed at 50 Hz Rated speed at 60 Hz Cooling water flow Protection category...

Dimensional drawing Pumping speeds Pump Hepta 450 L Hepta 650 L Hepta 950 L Order number matrix for Hepta L Order number PU V7 Y 0 b c d 0 f g Size Hepta 450 L Hepta 650 L Hepta 950 L Auxiliary gases None Gas ballast, industrial version Sealing gas, industrial version Gas ballast and sealing gas, industrial version Cooling Water, direct Air, fan required 400 V, 50 Hz, 3-phase power supply Motor 3-phase 50 Hz, 400 V 3-phase 60 Hz, 460 V 3-phase 60 Hz, 360 V No motor, IEC flange, 50 Hz version No motor, IEC flange, 60 Hz version No motor, NEMA flange, 60 Hz version 3-phase frequency inverter...

Dry screw pumps. Optimum ultimate pressure. Absolutely dry. Flexible applications. Hepta P The extensively configurable process version. In addition to the contactless labyrinth seal, the pump can also be equipped with an axial face seal or lip seal. This is necessary if the pump requires to be flushed with liquids. The pump is highly process-capable due to sealing gas, gas ballast and flushing gas. Nominal pumping speed 50 Hz Nominal pumping speed 60 Hz Ultimate pressure at 50 Hz Ultimate pressure at 60 Hz Weight, approx. Motor rating 50 Hz1) Motor rating 60 Hz1) Sound pressure level 50 Hz...

Order number matrix for Hepta P Order number Inlet flange Hepta 100 P Hepta 200 P Hepta 300 P Hepta 400 P Hepta 630 P Hepta 1000 P Hepta 2500 P Shaft seal, inlet/outlet side Labyrinth seal/labyrinth seal (only for Hepta 400–2500) Labyrinth seal/labyrinth seal + lip seal (only for Hepta 100–300) Labyrinth seal/oil-lubricated axial face seal Oil-lubricated axial face seal/oil-lubricated axial face seal Oil-lubricated axial face seal/gas barrier double-acting axial face seal (only for Hepta 100–300) Oil-lubricated axial face seal/labyrinth seal + lip seal (only for Hepta 100–300) Labyrinth...

Pumping speeds and dimensional drawings Hepta 100 P Hepta 200 P Hepta 300 P Pumping speeds 400 Hepta 300 P Hepta 400 P Hepta 630 P Hepta 1000 P

Hepta 100 P Hepta 200 P Hepta 300 P Pump Hepta 100 P Hepta 200 P Hepta 300 P Hepta 400 P Hepta 630 P Hepta 1000 P Pump Hepta 400 P Hepta 630 P Hepta 1000 P

Accessories Dust separators Adapter flange Exhaust silencer Check flaps PTC resistor tripping device Operating fluids Check flap Hepta 100 P Check flap Hepta 200 P/300 P Check flap Hepta 400 P/630 P

Pfeiffer Vacuum Service Our services – your advantages Each customer places its own particular demands on its products, and these may also be influenced by applicationspecific parameters. Our flexible service concept, with a focus on preventive services, offers just the right solution for you. Preventive maintenance – avoid downtimes With our preventive service concept, we can recommend service intervals tailored to each product. The aim is to avoid failures and to carry out planned and predictable servicing. Maintenance level 1 includes fluid changes and contributes significantly to the...

Spare parts – original parts increase life expectancy Pfeiffer Vacuum‘s spare parts and tools are defined as early as at the product development stage. This ensures their tailor-made fit and quality. Every improvement to our serial products is also transferred to our spare parts. This means products are brought up to state of the art status after undergoing maintenance level 3 or a repair. In addition to our individual concepts and the quality of our Advice – to assist you with any questions you may have replacement parts, it is our employees and personal contact that give our service its...

VACUUM SOLUTIONS FROM A SINGLE SOURCE Pfeiffer Vacuum stands for innovative and custom vacuum solutions worldwide, technological perfection, competent advice and reliable service. COMPLETE RANGE OF PRODUCTS From a single component to complex systems: We are the only supplier of vacuum technology that provides a complete product portfolio. COMPETENCE IN THEORY AND PRACTICE Are you looking for a perfect vacuum solution? Please contact us: Pfeiffer Vacuum GmbH Headquarters · Germany T +49 6441 802-0 All information is subject to change without prior notice. PU 0056 PEN (January 2021/PoD)...