Manufacturer of self-cleaning filters, backflushing filters, basket, cartridge and bag filters for industrial liquid and gas filtration
DELTAFILTER Filtrationssysteme GmbH
67346 Speyer, GermanyNew on Amplifa
About DELTAFILTER
DELTAFILTER Filtrationssysteme GmbH was founded in 1990 in Speyer and is a manufacturer of filters and filter systems for aqueous, viscous, highly viscous and pasty media as well as for gases. The product range includes self-cleaning wedge-wire (edge gap) filters of the DELTA-STRAIN type, automatic backflushing filters and automatic filters, basket filters as single and duplex filters, cartridge filters, bag filters, strainer inserts (hat strainers), centrifugal separators, mobile filter units as well as quick-release lid closures and filter elements. Manufacturing is in welded construction from stainless steel and carbon steel as well as cast versions in stainless steel castings, grey cast iron and cast steel; filter elements are made from polypropylene, polyester, nylon and cotton. The manufacturing steps include laser material processing, welded fabrication, high-gloss polishing, coating as well as perforated and hardened filter elements. Design is carried out in accordance with the Pressure Equipment Directive PED 2014/68/EU, and the filters are available ATEX-compliant for EX Zone 1 and 2. Customers include chemical and industrial companies, water treatment and the oil and gas industry, with sales conducted worldwide.
- Site
- Speyer
- Processes
- Development, design and calculation of filters and filter systems, Manufacture of self-cleaning filters (wedge-wire filters DELTA-STRAIN), Manufacture of automatic backflushing filters and automatic filters, Manufacture of basket filters (single/duplex filters), welded and cast, Manufacture of bag filters (single and multi-bag filters), Manufacture of cartridge filters, Manufacture of strainer inserts (startup strainers), Manufacture of mobile filter units
- Materials
- Stainless steel, Stainless steel castings, Carbon steel, Grey cast iron, Cast steel, Plastics, Stainless steel 1.4571, Stainless steel 1.4401
- Certificates
- ISO 9001:2015, ATEX 2014/34/EU, PED 2014/68/EU Module G, TA-Luft
- Founded
- 1990
- Industries
- Chemical industry, Water treatment, Oil and gas, Industrial companies, Research, Oil and gas
- 01
Development and design (PED 2014/68/EU)
- 02
Laser processing of the filter elements
- 03
Perforating and hardening
- 04
Welded fabrication of the housings
- 05
Surface treatment (painting/high-gloss polishing)
- 06
Assembly of the filter systems
- 07
Testing, ATEX certification and acceptance (Module G)
- 08
Sales and rental (rental/trial filters)
Materials and Processes
Stainless steel 1.4571
Corrosion-resistant material for baskets and filter internals in chemical applications
Stainless steel casting 1.4408
Housing material for cast filters according to EN 10213
Grey cast iron GG25 (EN 1561, EN-JL 1030)
Housing material for cast basket and wedge-wire filters
Cast steel (EN 10213)
Housing material for cast duplex filters with high pressure resistance
Steel 1.0715 (EN 10087)
Material for internal filter parts
Bronze LG4C (BS 1400)
Material for changeover valves on cast duplex filters
Polypropylene
Material for filter bags, filter cartridges and housings
Polyester
Material for filter bag inserts
Nylon
Material for filter bag inserts
FPM (sealing material)
Chemical- and temperature-resistant seals for filter housings
Spheroidal graphite cast iron EN-JS 1030
Material for changeover valves of cast duplex filters
Location
Speyer (Im Neudeck 10)
DEHeadquarters: development, project engineering, manufacturing, sales and assembly
- Materials
- Stainless steel, carbon steel, stainless steel castings, grey cast iron, cast steel, plastics
- Laser processing
- Welding facility
- Painting/coating
- Assembly
Product Examples
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Development, design and calculation of filters and filter systemsEngineering | – | – | – | – | Stainless steel, Carbon steel, Stainless steel castings, Grey cast iron, Cast steel, Plastics |
| Manufacture of self-cleaning filters (wedge-wire filters DELTA-STRAIN)Assembly | – | – | – | – | Stainless steel, Carbon steel, Stainless steel casting 1.4408, Grey cast iron GG25 |
| Manufacture of automatic backflushing filters and automatic filtersAssembly | – | – | – | – | Stainless steel, Carbon steel |
| Manufacture of basket filters (single/duplex filters), welded and castAssembly | – | – | – | – | Stainless steel, Stainless steel castings, Carbon steel, Grey cast iron, Cast steel, Plastics |
| Manufacture of bag filters (single and multi-bag filters)Assembly | – | – | – | – | Stainless steel, Plastics |
| Manufacture of cartridge filtersAssembly | – | – | – | – | – |
| Manufacture of strainer inserts (startup strainers)Assembly | – | – | – | – | – |
| Manufacture of mobile filter unitsAssembly | – | – | – | – | – |
| Manufacture of quick-release lid closures (e.g. clamp quick closures)Assembly | – | – | – | – | – |
| Manufacture of centrifugal separators (separators, DELTA-ZFA series)Assembly | – | – | – | – | – |
| Manufacture of filter elements (filter cartridges, baskets, filter bags), including repair ofAssembly | – | – | – | – | Polypropylene, Polyester, Nylon, Cotton, Stainless steel, Carbon steel, Plastics |
| Welded fabrication of filter housings (welded single filters DELTA-SKS/SKB/SK)Joining | – | – | – | – | Stainless steel, Carbon steel |
| Laser drilling of filter elements (laser-drilled filter elements for wedge-wire filters)Machining | – | – | – | – | Stainless steel |
| Perforating and hardening of filter elementsSurface | – | – | – | – | Stainless steel |
| Painting/coating of housings (carbon steel with paint, special coatings)Surface | – | – | – | – | Carbon steel, Grey cast iron, Cast steel |
| High-gloss polishing of stainless steel housings (bag filters DELTA-BFS7/BFS10G)Surface | – | – | – | – | Stainless steel |
| Design and calculation according to the Pressure Equipment Directive PED 2014/68/EU, acceptanceTesting | – | – | – | – | – |
| ATEX certification (2014/34/EU) and compliance for EX Zone 1 and 2, TA-Luft complianceTesting | – | – | – | – | – |
| Sales and rental of rental filters and trial filtersAssembly | – | – | – | – | – |
| Assembly of filters and filtration systemsAssembly | – | – | – | – | – |
1 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Production facilities/machine park | – | – | – | – | Speyer (Im Neudeck 10) |
Additional services
Quality Management
Welded fabrication according to PED 2014/68/EU, ATEX certification by TÜV for EX Zone 1 and 2, TA-Luft (Clean Air Act) compliance and acceptance according to Module G of the PED. Production under a certified quality management system ISO 9001:2015.
| Evidence | Speyer (Im Neudeck 10) |
|---|---|
| ISO 9001:2015 | |
| ATEX 2014/34/EU | |
| PED 2014/68/EU Module G | |
| TA-Luft |
History
- 1990
Company founded on 01.08.1990 as a commercial business in Speyer by Franz Knibernig
- 1991
Opening of the sales office in Leipzig on 01.08.1991
- 1993
Conversion into DELTAFILTER Filtrationssysteme GmbH on 01.10.1993 and relocation to the company headquarters at Im Neudeck 10 in Speyer
- 2008
Expansion of the company premises and buildings on 01.09.2008
- 2012
Closure of the Leipzig sales office on 30.06.2012 and expansion of sales at the headquarters in Speyer
- 2019
Joint management by Franz Knibernig and Ulrich Helm as a succession transition phase from 01.10.2019
- 2021
Ulrich Helm assumed sole management on 01.01.2021