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620 EC-BL-L

Product catalog summary

Product Overview
Eccentric Diaphragm Pumps for Liquids, models SP 620 and SP 622 EC-BL-L, are designed for various applications including industrial, medical, laboratory, cooling, heating, and cleaning. These pumps are oil-free, maintenance-free, self-priming, leak-tight, and produce reduced vibrations and very low noise. They are compact, lightweight, and consume minimal current, available in 12 and 24 volt DC versions.

Specifications

Operating Voltage: Available in 12 Vdc and 24 Vdc.
Free Flow Rate: 680 ml/min for SP 620 and 700 ml/min for SP 622.
Flow Rate at 10m H2O: 500 ml/min for SP 620 and 600 ml/min for SP 622.
Maximum Pressure Height: Greater than 10 m H2O for SP 620 and greater than 15 m H2O for SP 622.
Maximum Vacuum (dry): -200 mbar for SP 620 and -250 mbar for SP 622.
Maximum Suction Height (filled with water): -3.0 m H2O for SP 620 and -5.0 m H2O for SP 622.
Motor Type: Long life brushless with ball bearings, available in 2-wire and 4-wire versions with analog or PWM control input.
Weight: 270 g for SP 620 and 170 g for SP 622.

Performance and Construction
The pumps are capable of producing pressure above 10 mWC, but it is not recommended to exceed this limit. The construction materials include EPDM, FKM/FFKM/PTFE, and PPS, with customer-specific options available upon request.

Additional Features

Optional mounting plate and connection port positions.
Hydraulic performance measured with water at 20°C.

Contact Information
Schwarzer Precision, Am Lichtbogen 7, 45141 Essen, Germany. Phone: +49 201 31697-0, Fax: +49 201 31697-29, Email: [email protected], Website: www.schwarzer.com

Catalog excerpts

Eccentric Diaphragm Pumps for Liquids Product Features • diaphragm mini pump for liquids (e.g. water) • oil free / maintenance free • self priming / leak tight • reduced vibrations • very low noise • small size • lightweight • minimal current consumption • available in 12 and 24 volt dc • Industrial Applications • Medical Applications • Laboratory and Analytical Applications • Cooling and Heating • Cleaning • Random Access Analyzers Am Lichtbogen 7 • 45141 Essen • Germany Phone: +49 201 31697-0 • Fax: +49 201 31697-29 e-mail: [email protected] • http://www.schwarzer.com Subject to change without notice. Given values are for preliminary information only a

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Eccentric Diaphragm Pumps for Liquids SP 620 / 622 EC-BL-L The pumps listed below represent a typical selection of our wide range of eccentric pumps and are intended for initial tests. Customised versions for your individual application can be manufactured without additional costs - please contact us! Operating Voltage Art.No. Hydraulic Performance (measured with water at 20°C) Free Flow [ml/min] Flow @ 10m H2O [ml/min] Max Press. Height [m H2O] Although the pumps are able to produce pressure above 10 mWC, it is not recommended to exceed this limit! Max Vacuum (dry) [mbar] Max Suction Height...

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Eccentric Diaphragm Pumps for Liquids optional mounting plate Standard: connection ports as shown. Optional: 3 other port positions possible (see dashed lines) Am Lichtbogen 7 • 45141 Essen • Germany Phone: +49 201 31697-0 • Fax: +49 201 31697-29 e-mail: [email protected] • http://www.schwarzer.com Subject to change without notice. Given values are for preliminary information only and not legally binding. 04.11

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