Development and manufacture of customized mechanical seals, supply systems and packing for industrial pumps, mixers and agitators.
CHETRA Dichtungstechnik AG
Heimstetten near Munich · Neuss · Budakalász · Ambarnath · ShanghaiNew on Amplifa
About CHETRA
CHETRA Dichtungstechnik AG, headquartered in Heimstetten near Munich, develops and manufactures mechanical seals as single and double mechanical seals, supply systems according to API plans, packing, static seals and technical maintenance products. Production is predominantly customized; materials used include tungsten carbide, CrNiMo stainless steel, Inconel and PTFE. The company was founded in 1979 and is certified to DIN EN ISO 9001. Core industries include chemicals and pharmaceuticals, water and power plant engineering, food, oil and gas, paper as well as refineries and petrochemicals. The products are in use in more than 50 countries. A network of five service centers in Germany, Hungary, India and China offers repair and overhaul of mechanical seals from 20 to 400 mm diameter, including third-party brands, as well as failure analysis, spare parts service and commissioning.
- Site
- Heimstetten b. München
- Processes
- Manufacture of mechanical seals (single and double mechanical seals, also customized), Repair and overhaul of mechanical seals (own and third-party brands), Manufacture of supply systems for mechanical seals (API Plans 23, 31, 51, 52, 53A, 53B), Manufacture of packing, static seals and technical maintenance products, Custom manufacturing of customized sealing solutions, Repair and overhaul of mechanical seals (20–400 mm, including third-party brands), Failure analysis and design optimization, Service center network (5 locations)
- Materials
- Inconel, PTFE, CrNiMo steel, Tungsten carbide
- Certificates
- ISO 9001
- Founded
- 1979
- Industries
- Chemicals & Pharmaceuticals, Energy – Water & Power Plants, Food, Oil & Gas, Paper, Refineries & Petrochemicals
- 01
Consulting & requirements analysis
- 02
Engineering & design
- 03
Manufacturing
- 04
Testing & pressure test
- 05
Delivery & commissioning
- 06
Service, repair & spare parts
Materials & Processes
Tungsten carbide
Solid tungsten carbide sliding faces for corrosive, solids-laden media and long service life.
CrNiMo steel
Stainless steel components for corrosive operating conditions, e.g. in cartridge seals.
Inconel
Corrosion-resistant metal bellows, self-cleaning and insensitive to deposits.
PTFE
Secondary seals for chemical resistance in demanding media.
Locations
Heimstetten near Munich
DEHeadquarters with manufacturing
- Materials
- Tungsten carbide, CrNiMo steel, Inconel, PTFE
Neuss
DEService center
Budakalász
HUService center (CHETRA Budapest Kft.)
Ambarnath
INService center (Mascot Dynamics Pvt. Ltd.)
Shanghai
CNService center (Shanghai GB International)
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Manufacture of mechanical seals (single and double mechanical seals, also customized)Sealing technology/Manufacturing | – | – | – | – | Tungsten carbide, PTFE, CrNiMo steel, Inconel |
| Repair and overhaul of mechanical seals (own and third-party brands)Sealing technology/Service | – | – | – | – | – |
| Manufacture of supply systems for mechanical seals (API Plans 23, 31, 51, 52, 53A, 53B)Sealing technology/Manufacturing | – | – | – | – | – |
| Manufacture of packing, static seals and technical maintenance productsSealing technology/Manufacturing | – | – | – | – | – |
Additional services
Quality
CHETRA is certified to DIN EN ISO 9001. Repaired mechanical seals are pressure-tested and returned ready for use; an in-house quality assurance function accompanies manufacturing and service.
| Evidence | Heimstetten near Munich |
|---|---|
| ISO 9001 |
History
- 1979
Founding of CHETRA GmbH by Dipl.-Ing. (FH) Hans J. Rabl in Munich.
- 1983
Founding of CHETRA-Budapest Kft. to support market expansion in Eastern Europe.
- 1984
Production of mechanical seals and packing in Garching near Munich; specialization in customized solutions.
- 1990–2000
Development of API mechanical seals with a refinery, a petrochemical plant and an OEM.
- 2004
Founding of CHETRA Sealing Technology Pte. Ltd. in Singapore.
- 2012
Founding of CHETRA Seals Pvt. Ltd. in Mumbai; relocation to the newly built headquarters in the Munich area.
- 2013
Conversion into CHETRA Dichtungstechnik AG.
- 2015
Joint venture with Mascot Dynamics: CHETRA Mechanical Seals India Pvt. Ltd.
- 2017–2018
Development of a fail-safe supply system for double-acting mechanical seals.
- 2018
Establishment of a service center in Essen.
- 2019
Agitator and mixer seals for shaft diameters over 300 mm.
- 2022
Relocation of the service center in North Rhine-Westphalia to Neuss.