Supplier of technical, medical and food gases with its own pressure vessel testing facility, filling and logistics in Witten.
GPG Gase Partner GmbH
Witten (Wittener Straße 166) · Witten (Kleinbahnhof 1)New on Amplifa
About GPG Gase Partner
GPG Gase Partner GmbH was founded on 1 April 2000 in Witten and supplies commercial customers, major buyers and private individuals with technical, medical and food gases – over 250 gas types and mixtures are in the range, including argon, oxygen, nitrogen, carbon dioxide, acetylene, hydrogen, helium, propane, shielding gases, special gases and refrigerants. The range of services includes new cylinder trading, filling, an in-house pressure vessel testing and regeneration facility with TÜV testing in accordance with EN 1968, blasting and painting work, internal drying, laboratory and gas analysis as well as logistics and customer service. Gases are analysed to ppm accuracy in the company's own laboratory. With around 5000 new steel cylinders stored in the high-bay warehouse and an exchange cylinder system, the company supplies customers regionally, nationwide and in neighbouring countries. The location is Wittener Straße 166 in Witten near the motorway, with a collection warehouse for customers from the immediate vicinity. The company is certified in accordance with ISO 9001:2015 by SGS and, as operator of a gas cylinder warehouse, is subject to the Major Accidents Ordinance.
- Site
- Witten
- Processes
- Pressure vessel testing / periodic testing (TÜV testing) in accordance with EN 1968, Pressure vessel testing with valve mounting / valve processing (external and internal sealing), External and internal blasting (surface treatment, paint stripping, internal derusting), High-strength baked-on coating / high-temperature powder coating (powder baking furnace), Paint stripping, Embossing (weight, tare, owner, number, alphanumeric embossing, max. 12 characters), Weight/content control (calibrated weighing system, measuring method), Internal drying (removal of residual moisture)
- Materials
- Steel cylinders, Argon, Oxygen, Nitrogen, Carbon dioxide / carbonic acid, Acetylene, Hydrogen, Helium
- Certificates
- ISO 9001:2015, ISO 9001
- Founded
- 2000
- Industries
- Trade/wholesale, Medicine, Beverage/food industry, Gastronomy, Welding technology/industry, End consumers/private customers
- 01
New cylinder trading/steel cylinder trading
- 02
Pressure vessel testing (TÜV, EN 1968)
- 03
Blasting, paint stripping, internal drying
- 04
Baked-on powder coating
- 05
Embossing/labelling, valve processing
- 06
Laboratory and gas analysis
- 07
Filling
- 08
Logistics and delivery
- 09
Customer service
Locations
Witten (Wittener Straße 166)
DEHeadquarters, filling, testing facility, logistics, collection warehouse
- Materials
- Technical, medical and food gases
- Filling plant
- Pressure vessel testing and regeneration facility
- 2 high-speed blasting systems
- Powder baking furnace
- Special drying system
- Torque automatic machine
- Calibrated weighing system
- High-bay warehouse (approx. 5000 new steel cylinders)
Witten (Kleinbahnhof 1)
DETrading, sales, filling, pressure vessel testing (certified site)
- Materials
- Technical, medical and food gases
Services and Products
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Pressure vessel testing / periodic testing (TÜV testing) in accordance with EN 1968Testing | – | – | – | – | Steel cylinders, Soda cylinders |
| Pressure vessel testing with valve mounting / valve processing (external and internal sealing)Assembly | – | – | – | – | Steel cylinders |
| External and internal blasting (surface treatment, paint stripping, internal derusting)Surface | – | – | – | – | Steel cylinders |
| High-strength baked-on coating / high-temperature powder coating (powder baking furnace)Surface | – | – | – | – | Steel cylinders |
| Paint strippingSurface | – | – | – | – | Steel cylinders |
| Embossing (weight, tare, owner, number, alphanumeric embossing, max. 12 characters)Assembly | – | – | – | – | Steel cylinders |
| Weight/content control (calibrated weighing system, measuring method)Testing | – | – | – | – | Steel cylinders |
| Internal drying (removal of residual moisture)Surface | – | – | – | – | Steel cylinders |
| Cylinder cleaning (removal of sleeves, brushing, neutralising of stickers)Surface | – | – | – | – | Soda cylinders |
| Shrinking of full-body sleevesAssembly | – | – | – | – | Soda cylinders |
| Gas filling (industrial gases, technical, medical, food gases, special gases)Other | – | – | – | – | Argon, Oxygen, Nitrogen, Carbon dioxide, Shielding gases/welding gases, Acetylene, Hydrogen, Helium, Propane, Medical gases, Special gases, Laboratory/calibration gases, Refrigerants, Dry ice |
| Laboratory and analysis (ppm-accurate gas analysis, measuring methods in the company's ownTesting | – | – | – | – | Technical gases, Special gases |
| Leak testingTesting | – | – | – | – | Soda cylinders |
| Regeneration / reconditioning of gas cylinders and soda cylindersSurface | – | – | – | – | Steel cylinders, Soda cylinders |
| Logistics and delivery / central dispatch with route planningOther | – | – | – | – | – |
| Steel cylinder trading / high-bay warehouse (blanks, finalised according to gas type and customerOther | – | – | – | – | Steel cylinders |
7 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| High-speed blasting system (external and internal blasting) | – | 2 | – | – | Witten |
| Powder baking furnace (baked-on coating) | – | – | – | – | Witten |
| Special drying system (internal drying) | – | – | – | – | Witten |
| Torque automatic machine (valve processing) | – | – | – | – | Witten |
| Calibrated weighing system (weight control) | – | – | – | – | Witten |
| High-bay warehouse (approx. 5000 new steel cylinders as blanks) | – | – | – | – | Witten |
| Filling plant (industrial gas filling according to the latest safety criteria) | – | – | – | – | Witten |
Additional services
Quality
All production stages are continuously quality-monitored and documented without gaps; the company is certified in accordance with DIN EN ISO 9001:2015 by SGS (certificate DE14/818842068, valid until 27.02.2027). ppm-accurate gas analyses are carried out in the company's own laboratory; the pressure vessel testing includes pressure testing, internal and external inspection, weight/content control via a calibrated weighing system and leak testing.
| Evidence | Witten (Wittener Straße 166) | Witten (Kleinbahnhof 1) |
|---|---|---|
| ISO 9001 |
History
- 2000
Founded on 1 April 2000 by Martin Porsdorf and Rainer Zierau in Witten
- 2014
BVMW Entrepreneur Award 2013/14 of the Bergisch-Märkisch Region for Rainer Zierau (awarded on 24 June 2014)
- 2015
Initial certification according to ISO 9001 (since 28 February 2015)
- 2023
Certification by SGS under SAS since 16 March 2023
- 2025
Renewal of the ISO 9001 certificate, valid from 29.04.2025 to 27.02.2027