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ZELZ – Fertigung

Planning, construction and service of dosing systems and metering pumps for liquid media in industry.

ZELZ Logo

Zelz Dosiertechnik GmbH

Werkstraße 20, 2522 Oberwaltersdorf · AustriaNew on Amplifa

1992Founded
GmbHLegal form
7 employees (together with Kummer)Team
Over 100 metering pumpsStock
3 ml/h to 2000 l/h, max. 200 barMetering pump performance range

About us

Zelz Dosiertechnik GmbH, based in Oberwaltersdorf, Lower Austria, has been active since 1992 in the planning and implementation of dosing systems as well as a supplier of metering pumps for liquid media. Founded by Jürgen Zelz as a sales representative for GRUNDFOS metering technology in Austria, the company was taken over in early 2017 by Dominik Sleiss and Werner Kummer. Its core competencies include project planning, installation and commissioning of dosing systems as well as the assembly of ready-to-connect dosing stations (Dosing Units). Since 2021, ZELZ has been a licensed sales partner of STÜBBE GmbH and offers an extended product range. Through its collaboration with Kummer Edelstahlpumpen GmbH, with which it shares a joint office, centrifugal, rotary lobe and screw pumps are also part of the offering. The fields of application range from the chemical industry through the paper and pulp industry and the food industry to water and wastewater treatment. The warehouse in Oberwaltersdorf stocks more than 100 metering pumps including accessories and spare parts.

Site
Oberwaltersdorf
Processes
Planning, implementation and installation of dosing systems, Supply of metering pumps for liquid media, Installation of metering pumps and ready-to-connect dosing stations, On-site maintenance service and repairs of metering pumps and dosing systems, Consultation, Project planning of dosing systems, Implementation and installation of dosing systems, Assembly into ready-to-connect dosing stations (Dosing Units)
Materials
PP/EPDM, PP/Viton, PVC/Viton, PVC/EPDM, PVC, PE, PTFE, PVDF
Founded
1992
Industries
Chemical industry, Paper and pulp industry, Food industry, Water treatment, Wastewater treatment, Beverage industry
  1. 01

    Consultation and inquiry

  2. 02

    Project planning of the dosing system

  3. 03

    Component selection and assembly into a dosing station

  4. 04

    Installation and commissioning

  5. 05

    On-site maintenance, repair and spare parts supply

Materials and Media Contact

PP/EPDM

PP/EPDM

Pump material combination used, among others, for DDE/DDC metering pumps in the 6, 9 and 15 l/h range.

PP/Viton

PP/Viton

Used in metering pumps, among others the DDA and DME series in the medium performance range.

PVC/Viton

PVC/Viton

Material combination used, among others, for DDE 60-10 metering pumps in flocculant dosing.

PVC/EPDM

PVC/EPDM

Used in DDE/DDA metering pumps in the 60 to 200 l/h range.

PVC

PVC

Material for dosing hoses and pump components in the warehouse program.

PE

PE

Material for dosing hoses in the product range.

PTFE

PTFE

Highly chemically resistant material for dosing hoses.

PVDF

PVDF

Piping material used, among others, for a CIP application in a brewery.

PPES

PPES

Pump material used, among others, for DME 2 and DME 12 metering pumps.

AP-PP

AP-PP

Pump material used, among others, in a dust extraction application with DME 375-10.

Locations

Standort Oberwaltersdorf

Oberwaltersdorf

AT

Head office with office, warehouse and assembly

Materials
PP/EPDM, PP/Viton, PVC/Viton, PVC/EPDM, PVDF, PPES
  • GRUNDFOS metering pumps DDE, DDC, DDA, DME, DDI, DMX
  • Warehouse with over 100 metering pumps, accessories and spare parts

Components and Parts

Metering pump Smart Digital S
Metering pump Smart Digital SMetering pump · Dosing technology
Metering pump Smart Digital XL
Metering pump Smart Digital XLMetering pump · Dosing technology
Metering pump DME
Metering pump DMEMetering pump · Dosing technology
Signal cable
Signal cableAccessories · Dosing technology

Inside the production

Dosing system
Dosing system
Metering pump
Metering pump
Dosing system reference
Dosing system reference

Industries

Chemical industryPaper and pulp industryFood industryWater treatmentWastewater treatmentBeverage industryIndustry (general)Food industry (food)Breweries/beverage industry

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Planning, implementation and installation of dosing systemsEngineering–––––
Supply of metering pumps for liquid mediaEngineering–––––
Installation of metering pumps and ready-to-connect dosing stationsAssembly–––––
On-site maintenance service and repairs of metering pumps and dosing systemsAssembly–––––

10 Anlagen & Maschinen

MachineManufacturer / modelQuantityWorking areaYear builtSite
Metering pump DDEGRUNDFOS DDE 60-10 AR-PVC/V; DDE/DDC 6/9/15 l/h; DDE 60/120/200 l/h–––Oberwaltersdorf
Metering pump DDCGRUNDFOS DDC 6-10 AR-PP/E–––Oberwaltersdorf
Metering pump DDAGRUNDFOS DDA 7,5-16; DDA 12-10; DDA 17-7; DDA 30; DDA 12-10 AR-PP/E; DDA 7,5-16 FC-PP/E–––Oberwaltersdorf
Metering pump DMEGRUNDFOS DME 940-4; DME 60-10; DME 150-4; DME 375-10; DME 2; DME 12–––Oberwaltersdorf
Metering pump DDIGRUNDFOS DDI 60-10 AR-PP/E; DDI 150-4 AR-PP/E–––Oberwaltersdorf
Metering pump DMXGRUNDFOS DMX 27-10 B-PVC/V–––Oberwaltersdorf
Centrifugal pumpsKummer Edelstahlpumpen GmbH––––
Rotary lobe pumpsKummer Edelstahlpumpen GmbH––––
Screw pumpsKummer Edelstahlpumpen GmbH––––
Metering pumps (stock)–over 100––Oberwaltersdorf

Additional services

ConsultationProject planning of dosing systemsImplementation and installation of dosing systemsAssembly into ready-to-connect dosing stations (Dosing Units)CommissioningOverhauling and repairsOn-site maintenance service for metering pumps and dosing systems of all brandsSpare parts availability through warehousingLicensed sales partner of STÜBBE GmbHConsultation on centrifugal, rotary lobe and screw pumps (in cooperation with Kummer)

Reference customers

GRUNDFOS (sales/trade representation partner)STÜBBE GmbH (licensed sales partner)

History

  1. 1992

    Founding of Zelz Dosiertechnik by Jürgen Zelz as a sales representative for GRUNDFOS metering technology in Austria.

  2. 2017

    Takeover of the company by Dominik Sleiss and Werner Kummer; since then a shared office with Kummer Edelstahlpumpen GmbH.

  3. 2021

    Partnership with STÜBBE GmbH; ZELZ Dosiertechnik becomes a licensed sales partner with an extended product range.

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