Service, repair, calibration and production for vacuum pumps, leak detectors and cryocoolers
Druschke GmbH
63571 Gelnhausen, GermanyNew on Amplifa
Vacuum technology service provider since 1992
Since 1992, Druschke GmbH has offered vacuum technology services and products. The ISO 9001-certified company based in Gelnhausen carries out manufacturer-independent maintenance and repairs of vacuum pumps and vacuum components and is a certified service partner of Leybold Vacuum GmbH and Edwards Vacuum GmbH. The portfolio includes helium leak detection and tightness testing with leak rates down to 10^-10 mbar·l/s, calibration of vacuum gauges in accordance with the relevant ISO standards, refrigeration service and general overhaul of Polycold and MaxCool cryogenerators, as well as in-house production of DC cryocoolers for vacuum systems. In addition, the company distributes new and remanufactured vacuum pumps including accessories, operates a rental service with pump systems and leak detectors, and offers consulting as well as customer-oriented development (CFE team). Customers are found in industries such as semiconductors, analytics, coating, chemicals and pharmaceuticals, the solar industry, and research and development; through a worldwide service network, customers in Europe, America, Asia, the Middle East and Africa are also served.
- Site
- Gelnhausen
- Processes
- Manufacturer-independent repair and maintenance of vacuum pumps and components, General overhaul of vacuum pumps (according to manufacturer specifications, 12-month warranty), Helium leak detection / tightness testing (pressure rise, pressure drop measurement, spray,, Manufacturer-independent calibration of vacuum gauges (Pirani, Penning, Bayard-Alpert, Baratron,, Cryocooler production (DC cryocoolers for vacuum systems), Refrigeration service / remanufacturing & upgrade of Polycold® and MaxCool cryogenerators,, Edwards iQDP/iQMB repair (claw recoating with Teflon, motor overhaul, N2 purge system,, Rental service (vacuum pumps, pump systems, leak detectors, valves and components)
- Materials
- Teflon coating (PTFE), HCFC-free refrigerant blend (refrigerant mixture), Helium as test gas
- Certificates
- ISO 9001, Certified company according to § 6 ChemKlimaschutzV, Certification according to § 6 ChemKlimaschutzV (leak checks on cryogenerators), Certified service partner of Leybold and Edwards
- Founded
- 1992
- Industries
- Analytics, Loading/filling applications, Coating, Chemicals and pharmaceuticals, Energy generation and storage, Research and development
- 01
Consulting and engineering (CFE team)
- 02
Decontamination and acceptance of components
- 03
Manufacturer-independent maintenance and repair
- 04
Recoating or spare part and motor overhaul
- 05
Testing and inspection (leak detection, tightness testing, electrical safety
- 06
Calibration of measuring and leak detection devices
- 07
Documentation with service report
- 08
Pick-up and return service or worldwide express shipping
Processes and testing methods
Teflon coating (PTFE)
Recoating of the claws of Edwards iQDP semiconductor pumps at every repair, done in-house.
HCFC-free refrigerant blend (refrigerant mixture)
Patented, non-flammable refrigerant gas with lower global warming potential for DC cryocoolers as well as Polycold and MaxCool systems.
Helium as test gas
Test gas for tightness testing and localization of leaks down to 10^-10 mbar·l/s.
Site
Gelnhausen
DEHeadquarters, service center and cryocooler production
- Lot size
- Single units to series
- Materials
- Metals, Teflon coating, refrigerant
- approx. 150 m² repair line for Edwards iQDP/iQMB
- approx. 50 m² test and inspection field
- Helium leak detectors
- Calibration facilities traceable to PTB/DAkkS standards
- Training center
- Vehicle fleet for pick-up and return service
Components and systems
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Manufacturer-independent repair and maintenance of vacuum pumps and componentsTesting | – | – | – | – | – |
| General overhaul of vacuum pumps (according to manufacturer specifications, 12-month warranty)Testing | – | – | – | – | – |
| Helium leak detection / tightness testing (pressure rise, pressure drop measurement, spray,Testing | Leak rates down to 10^-10 mbar*l/s | – | – | – | – |
| Manufacturer-independent calibration of vacuum gauges (Pirani, Penning, Bayard-Alpert, Baratron,Testing | – | – | – | – | – |
| Cryocooler production (DC cryocoolers for vacuum systems)Assembly | – | – | – | – | – |
| Refrigeration service / remanufacturing & upgrade of Polycold® and MaxCool cryogenerators,Testing | – | – | – | – | – |
| Edwards iQDP/iQMB repair (claw recoating with Teflon, motor overhaul, N2 purge system,Testing | – | – | – | – | Teflon |
| Rental service (vacuum pumps, pump systems, leak detectors, valves and components)Assembly | – | – | – | – | – |
| Consulting and development of vacuum solutions, maintenance concepts, troubleshooting and faultEngineering | – | – | – | – | – |
| Pump systems (standard solutions to turnkey projects, pumping speeds up to 16,000 m³/h)Assembly | – | – | – | – | – |
| Distribution of vacuum pumps and accessories (oil-sealed rotary vane pumps, scroll, diaphragm,Assembly | – | – | – | – | – |
6 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Semiconductor pump repair line | Druschke | 1 | approx. 150 m² repair line, approx. 50 m² test and inspection field | – | Druschke GmbH |
| Vacuum pumps (service/general overhaul) | Leybold | – | – | – | – |
| Vacuum pumps (service/general overhaul) | Edwards iQDP, iQMB | – | – | – | – |
| Helium leak detectors (service/repair) | INFICON UL200, UL200dry, UL1000, UL1000 Fab, UL5000, Protec P3000 (XL), Protec P3000, | – | – | – | – |
| Helium leak detectors (service/repair) | Leybold UL 100, L200, UL 200, UL 200 Dry, PHOENIX L300i, PHOENIX L320i Fab, PHOENIX | – | – | – | – |
| Helium leak detectors (service/repair) | Pfeiffer ASM 310, MiniTest 300, ASM 340, ASM 340 D, ASM 340 I, ASM 380, ASM 192 T, ASI | – | – | – | – |
Additional services
Quality and certification
Druschke GmbH is certified according to ISO 9001. Calibrations are traceable to standards of the Physikalisch-Technische Bundesanstalt (PTB) or accredited bodies (DAkkS) in accordance with ISO 19685:2017, DIN ISO 3567:2015, ISO 27893:2011, DIN EN ISO 20486:2018 and DKD-R-6-2 Part 2; service work is documented with test reports according to manufacturer specifications.
| Evidence | Gelnhausen |
|---|---|
| ISO 9001 | |
| Certification according to § 6 ChemKlimaschutzV (leak checks on cryogenerators) | |
| Certified service partner of Leybold and Edwards |
History
- 1992
Foundation of Druschke GmbH; start of vacuum technology services and products.
- 2014
EU Regulation 517/2014 mandates annual leak checks on cryogenerators; Druschke offers qualified inspections for this purpose as a certified company according to § 6 ChemKlimaschutzV.
- 2022
Start of repairs for Edwards iQDP and iQMB on an approx. 150 m² repair line with an approx. 50 m² test and inspection field.