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Seepex

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Seepex

Seepex is a leading German manufacturer of progressive cavity pumps (also known as eccentric screw pumps or Moineau pumps) for the gentle and precise transport of viscous, abrasive, foam-sensitive, and aggressive media in the most demanding industrial applications. The company, founded in 1972 in Bottrop, Germany, has developed through continuous innovation and outstanding product quality into a global technology leader in the pump industry. At Verkopershulp.nl, more than 702 Seepex products are available.

The core of the Seepex pump is the combination of rotor and stator: the rotor is a steel spiral element with a helical profile, while the stator is an elastomer inner sleeve in NBR, EPDM, or FKM rubber forming the oppositely profiled channel. Together, rotor and stator create the progressing cavity that transports the medium from inlet to outlet at a nearly constant, pulse-free flow rate. This characteristic makes Seepex pumps ideally suited for dosing and filling installations where precise volumetric dosing is required.

Seepex supplies pumps in multiple series for diverse applications: the BN series for industrial and process installations, the BTM series for tank and container emptying, the MD series with open feed hopper for solid and foam-sensitive media, and the BCSA series for hygienic applications in food processing and pharmaceutical industry. Capacities range from 0.01 liters per hour for precision dosing installations to more than 1,000 m3 per hour for large-scale sludge transport.

A particularly innovative Seepex technology is SMART Conveying Technology (SCT), in which the stator is supplied in axially assembled segments and can easily be replaced without dismantling the pump or disconnecting the piping connections. This drastically reduces maintenance downtime and makes stator replacement feasible by the installation operator. Seepex MACERATING pumps are equipped with cutting and grinding mechanisms for directly processing solids, fibers, and agglomerating material within the pump medium.

At Verkopershulp.nl, you will find the complete Seepex range of rotors, stators, drive shafts, universal joint rods, mechanical shaft seals, and complete repair kits for the most common Seepex pump types. Our technical team assists in identifying the correct spare parts based on the type and serial number of your pump, and advises on the stator material optimally suited for your medium.

History

Seepex GmbH was founded in 1972 in Bottrop, Germany, as a specialized manufacturer of progressive cavity pumps for industrial and municipal applications. The company was established by a team of experienced pump engineers with an innovative approach to transporting difficult-to-pump media. In the 1980s and 1990s, Seepex strongly expanded its markets to the food industry, pharmaceutical industry, and offshore sector. The introduction of SMART Conveying Technology (SCT) in the early 2000s was a breakthrough that radically improved the maintenance-friendliness of progressive cavity pumps. Today, Seepex has more than 800 employees, production facilities in Germany, and sales offices and service partners in more than 60 countries worldwide.

Product Categories

  • Actuator
  • Bearing
  • Connector
  • Coupling
  • Display & Indicator
  • Drive
  • Fan & Blower
  • Motor
  • Nozzle
  • Pressure Gauge
  • Pump
  • Seal & Gasket
  • Sensor
  • Spring
  • Transmitter

Applications

  • Sewage and sludge treatment in wastewater plants
  • Food transport (sauces, pastes, meat, dairy)
  • Pharmaceutical production and drug dosing
  • Chemical industry (acids, alkalis, solvents)
  • Paper pulp, paper process, and coating fluids
  • Oil and gas industry for crude oil and products
  • Beer and beverage production and distilleries
  • Cosmetics and personal care products
  • Ceramic and mineral slurries
  • Biogas plants, digestate, and co-fermentation
  • Paint, ink, and coating production
  • Dredging and sediment transport

Frequently Asked Questions

How do I identify the correct Seepex rotor and stator for my pump?
Note the type and serial number of your Seepex pump from the nameplate on the pump housing. The type number contains information about the pump series (e.g., BN), pump size (e.g., 5-6L), number of stages, and stator material. Based on this type number, our specialists identify the exact rotor and stator combination, ensuring you receive the correct replacement parts.
Which stator material is suitable for my medium?
NBR is the standard stator material for water, lightly oil-containing media, and foodstuffs at temperatures up to 80 degrees Celsius. EPDM is suitable for hot water, steam, concentrated acids, and alkalis. FKM (Viton) is recommended for aggressive chemicals, aromatic solvents, and high temperatures up to 150 degrees Celsius. Hygienically approved stators in white EPDM or NBR are available for food applications conforming to FDA and EU 1935/2004.
What is Seepex SMART Conveying Technology (SCT) and what are the benefits?
SCT is a Seepex-patented stator construction in which the stator is built from axially assembled segments. During stator replacement, the segments are pulled out axially and replaced without dismantling the pump or disconnecting pipe connections. This reduces the downtime for stator replacement from typically 4-8 hours to less than 30 minutes. SCT is available for all common Seepex BN series pumps.
Can a Seepex pump be protected against dry running?
Seepex supplies dry-run protection systems that protect the pump in the event of medium supply failure. Available systems include mechanical dry-run sensors in the suction connection, thermal sensors in the stator, and electronic monitoring via motor current measurement. Upon dry-run detection, the drive stops automatically to prevent damage to the stator and rotor.
How long do Seepex rotors and stators last?
Service life strongly depends on the medium, operating pressure, and pump speed. For water and non-abrasive foodstuffs, service lives of 3-7 years are typical. For moderately abrasive media (sludge, sauces with fibers), 6-18 months is typical. For highly abrasive media such as sand, ceramic slurries, or meat fibers, replacement may be needed after just 2-6 months. SCT stators make regular replacement cost-efficient.
Does Verkopershulp.nl also supply complete new Seepex pumps?
Yes, in addition to spare parts, Verkopershulp.nl also supplies complete new Seepex pumps in various series and configurations. Specify the desired flow rate, maximum operating pressure, medium, and viscosity; our technical team will compile a quotation for the most suitable Seepex pump solution for your application.
Are Seepex pumps suitable for the food processing industry?
Yes, the Seepex BCSA series hygienic pumps are certified conforming to EHEDG (European Hygienic Engineering and Design Group) and 3-A Sanitary Standards for use in the food and beverage industry. The pumps feature polished AISI 316L stainless steel construction, FDA-conforming elastomers, and CIP/SIP-cleanable internal geometry.
What is the difference between a BN series and MD series Seepex pump?
The BN series has a closed feed hopper for liquid to viscous media and is the most common Seepex version for industrial processes. The MD series has an open feed trough for difficult-flowing, foam-sensitive, or solid media that do not flow independently into the pump. The MD series is used for abattoir waste, meat, fruit pulp, and sludge with high dry matter content.