Manufacturer of electrical installation conduits, insulating flexible conduits and custom plastic products made by extrusion.
Knoblauch & Schau GmbH
GemmrigheimNew on Amplifa
About KNOSCH
Knoblauch & Schau GmbH (KNOSCH) is a mid-sized company in the plastics processing industry founded in 1952 and headquartered in Gemmrigheim. The company manufactures electrical installation conduits, insulating flexible conduits, ventilation pipes for bridge construction, packing elements for fluidized bed reactors and biofilter systems, as well as technical rigid PVC profiles, pipes and flexible PVC hoses. Production is carried out by extrusion on several production lines, including co-extrusion for pipes with a highly low-friction inner layer. Materials are polyolefins, rigid PVC (PVC-U), flexible PVC (PVC-P) and halogen-free special plastics; in addition, KNOSCH offers kitting of empty conduits with cables for data network technology and individual custom-made products. Customers are found in electrical installation/building services, the construction industry, the automotive industry, bridge construction, water and environmental engineering, and data network technology. Production is carried out with continuous 3-shift quality monitoring in accordance with DIN-EN and VDE standards.
- Site
- Gemmrigheim
- Processes
- Extrusion of plastic pipes (electrical installation conduits), Co-extrusion (production lines with co-extrusion), Custom-made products (individual plastic products), Manufacturing of technical rigid PVC profiles and pipes, Manufacturing of flexible PVC hoses, Quality inspection and monitoring (3-shift quality monitoring, product tests), Custom-made products, Kitting of empty conduits with cables for data network technology
- Materials
- Polyolefins, Rigid PVC, Flexible PVC, Special plastic (halogen-free), Halogen-free special plastic
- Certificates
- PRS Green Label, VDE certification
- Founded
- 1952
- Industries
- Electrical installation / building services, Construction industry, Automotive industry, Bridge construction, Water/environmental engineering, Data network technology/telecommunications
- 01
Extrusion of plastic pipes and profiles
- 02
Co-extrusion (including low-friction inner layer)
- 03
Kitting (empty conduits with cables/pull aid)
- 04
Quality monitoring (3-shift)
- 05
Warehousing and shipping logistics
Materials and Processes
Polyolefins
Material of the flexible electrical insulating conduits, temperature-resistant from -5 °C to +105 °C, non-flame-propagating and corrosion-resistant.
Rigid PVC
Material for technical profiles and pipes for the construction industry and special applications.
Flexible PVC
Material of the first product line, hoses for a wide range of applications.
Halogen-free special plastic
For installation conduits in buildings with increased fire protection requirements, without toxic and corrosive gases in the event of fire.
Locations
Gemmrigheim
DEHeadquarters and production
- Materials
- Polyolefins, PVC-U, PVC-P, halogen-free special plastics
- Extrusion/production lines for plastic pipes
- Co-extrusion lines
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Extrusion of plastic pipes (electrical installation conduits)Plastics | – | – | – | – | Polyolefins, PVC (rigid PVC, flexible PVC), Special plastic |
| Co-extrusion (production lines with co-extrusion)Plastics | – | – | – | – | Polyolefins, Special plastic |
| Custom-made products (individual plastic products)Plastics | – | – | – | – | PVC, Polyolefins |
| Manufacturing of technical rigid PVC profiles and pipesPlastics | – | – | – | – | Rigid PVC |
| Manufacturing of flexible PVC hosesPlastics | – | – | – | – | Flexible PVC |
| Quality inspection and monitoring (3-shift quality monitoring, product tests)Testing | – | – | – | – | – |
1 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Extrusion/production lines for plastic pipes (incl. co-extrusion) | – | several | – | – | Gemmrigheim |
Additional services
Reference customers
Quality
The products are manufactured according to DIN-EN and VDE standards (including DIN EN 61386-22, VDE 0605) and additionally extensively inspected and tested. Constant quality monitoring in 3-shift operation ensures continuous product quality.
| Evidence | Gemmrigheim |
|---|---|
| VDE certification | |
| PRS Green Label |
History
- 1952
Founding of Knoblauch & Schau GmbH; the first products are flexible PVC hoses and rigid PVC profiles for the construction industry.
- 1992
Handover of management to Peter Schau.
- 2007
Handover of management to Peter Paula.
- 2008
Expansion of the product range for electrical installation conduits, introduction of low-friction-layer conduits, 3-shift quality monitoring and expansion of the range for the automotive industry.
- 2014
Conversion of all electrical installation conduits to the DIN-EN and VDE standards as well as construction of three additional production lines with co-extrusion.
- 2017
Construction of another production hall, expansion of the warehouse to 1800 pallet spaces and expansion of the management team by Markus Neumann.
- 2020
Digitalization, reorganization of production and shipping logistics; new products: empty conduits with pull aid and with cables for data network technology as well as halogen-free concrete installation.
- 2021
Handover of management to Markus Neumann; commercial power of attorney for Berthold Müller, commercial management Marion Bammert.
- 2022
Expansion of production capacity with an additional production line.
- 2023
Takeover of management by Marion Bammert (October).
- 2024
Expansion of the partnership with cable supplier ESM Vertriebs GmbH (April).
- 2026
New VDE certification for KS.YSFGSGU with -25 °C.