HERMETIC-Pumpen GmbH

HERMETIC-Pumpen GmbH holds a world-leading position in the global market of sealless pumps.
The range of HERMETIC pumps covers canned motor pumps, magnetic drive pumps and liquid ring vacuum pumps. This includes standard pump designs and a variety of special designs and tailor made alternatives for specific customer needs.

HERMETIC pumps can operate in environments with fluid temperatures that span from –160 °C up to +480 °C, system pressures up to 120 MPa and powers between 1 kW up to 690 kW. To date they supplied more than 275.000 HERMETIC pumps world-wide for the most severe toxic or hazardous applications, which require zero leakage tolerance.

The after-sales service provides activities such as commissioning, modifications and inspections as well as, secured spare parts supplies with a 24/7 availability.

Headquarters and manufacturing facilities of HERMETIC-Pumpen GmbH with more than 440 employees are based in Gundelfingen, near Freiburg, Germany. HERMETIC-Pumpen GmbH operates its own sales and service organisation throughout Germany, several European countries, North America and China. THey assure world-wide coverage through long established partnerships with carefully selected independent agents and distributors in more than 50 countries. Their subsidiary HERMETIC-Pumps Inc. USA caters for an own service facility to satisfy our customers in North America. In the Asia Pacific region, they support the expanding business in these emerging markets through a China based joint venture.

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HERMETIC Headquarter in Gundelfingen, Germany. Picture: ©HERMETIC

Address

HERMETIC-Pumpen GmbH
Gewerbestraße 51
79194 Gundelfingen
Germany
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1866 – Foundation of the company LEDERLE by Wilhelm Lederle
1954 – Development of our leakage-free canned motor pumps
1967 – New company building incl. administrative department designated for canned motor pump production in Gundelfingen
1979 – Development of seal-less pumps with magnetic drive
1997 – Formation of Dalian HERMETIC Sealless Pumps Co., Ltd. in China as a Joint Venture
2012 – Delivery of the world’s largest canned open-cell engine with a capacity of 670 kW
2015 – HERMETIC produced the heaviest and largest canned motor pump – with 20 tons and a total height of over 6 meters
2016 – 150 years of company history, 60 years HERMETIC-Pumpen GmbH and the grand opening of the new production hall

Pump Types Overview:

  • Canned Motor Pumps
  • Liquid Ring Vacuum Pumps
  • Radial Pumps
  • Submersible Pumps
  • Inline Pumps

The different Pump Types in more Detail

Canned Motor Pumps

  • Delivery Rate:  up to 1.600 m³/h
  • Delivery Head:  up to 2.300 m
  • Pressure:  up to 1.200 bar
  • Viscosity:  up to 300 mm²/sec (cSt)
  • Temperatures:  -160°C to +450°C
  • pH-values:  1 – 14
  • Gases:  up to 10 %
  • Particles:  up to 2 % (max. 1 mm)
  • Installations:  horizontal, vertical
  • Submersibility:  immersed, totally submerged
  • Depth:  2 – 20 m
  • sealless design possible
  • ATEX:  suitable for Ex Zones 2, 1
  • API, ISO, EN Standard
  • Drive:  Electro

Liquid Ring Vacuum Pumps

  • Delivery Rate [Q]:  max. 3.000 m³/h
  • Pressure:  max. 2.500 mbar (abs)
  • Pressure Rate:  PN 10
  • Viscosity:  max. 20 cSt
  • Temperatures:  -20 °C to +100 °C
  • pH-values:  2 – 14
  • Gases:  80 – 100 %
  • Particles:  none
  • Installation:  horizontal
  • Submersibility:  none
  • self-priming possible
  • sealless design possible
  • ATEX:  suitable for Ex Zone 2, 1
  • no specific international standard
  • Drive:  Electro

Inline Pumps

  • Delivery Rate:  up to 184 m³/h
  • Delivery Head:  up to 80 m
  • Pressure:  up to 16 bar
  • Viscosity:  up to 300 mm²/sec (cSt)
  • Temperatures:  -50°C to +120°C
  • pH-values:  1 – 14
  • Gases:  up to 10 %
  • Solids:  up to 2 % (max. 1 mm)
  • Installations:  horizontal, vertical
  • Submersibility:  none
  • sealless design possible
  • ATEX:  suitable for Ex Zones 2, 1
  • ISO, EN Standard
  • Drive:  Electro

Submersible Motor Pumps

  • Delivery Rate:  up to 1.600 m³/h
  • Delivery Head:  up to 1.200 m
  • Pressure:  up to 100 bar
  • Viscosity:  up to 300 mm²/sec (cSt)
  • Temperatures:  -160°C to +250°C
  • pH-values:  1 – 14
  • Gases:  up to 10 %
  • Solids:  up to 2 % (max. 1 mm)
  • Installations:  vertical
  • Submersibility:  immersed, totally submerged
  • Depth:  2 – 20 m
  • sealless design possible
  • ATEX:  geeignet für ExZonen 2, 1
  • API, ISO, EN Standard
  • Drive:  Electro

Radial Pump

  • Delivery Rate:  up to 1.600 m³/h
  • Delivery Head:  up to 2.300 m
  • Pressure:  up to 1.200 bar
  • Viscosity:  up to 300 mm²/sec (cSt)
  • Temperatures:  -160°C to +450°C
  • pH-values:  1 – 14
  • Gases:  up to 10 %
  • Solids:  up to 2 % (max. 1 mm)
  • Installations:  horizontal, vertical
  • Submersibility:  none
  • sealless design possible
  • ATEX:  suitable for Ex Zones 2, 1
  • API, ISO, EN Standard
  • Drive:  Electro
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pump types

provided pump technologies

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Canned Motor Pumps

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Liquid Ring Vacuum Pumps

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Radial Pumps

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Submersible Pumps

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Inline Pumps

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