Company Portrait
DIEPA is a registered trademark and stands for Dietz-Patent
DIEPA specialises in the manufacture of special wire ropes for use on equipment that demands the highest degree of precision, durability and safety from its component parts.
- The company is 100% privatly owned by the family Dietz
- established 1873
- 350 employees
- more than 49,000 m² of production area
- ISO 9001:2015 certified
Safety
Ropes are a very important machine component. Accidents can cause damages to persons and machinery! Therefore, at DIEPA we develop ropes that fulfil the requirements safely throughout their service life.
Profitability
Nothing is more expensive than the use of the wrong rope! The results are increased costs and long down times of the crane.
Availability
Only the available rope can be used - we have it.
Milestones
1873
Founding of the company by Moritz Dietz whose son August Richard Dietz later on transformed the handy craft into an industrial plant and gave it its name. Manufactured goods: sisal ropes
1920
Beginning of production of steel wire ropes
1936
Invention of the full steel wire rope in double parallel lay (parallelism of outer and inner strands + parallelism between neighbouring outer wires of the outer strands and outer wires of the inner strands)
= Dietz – Patent
1943
Development and manufacturing of rotation resistant ropes
1951
Development and manufacturing of ropes with plastic insert
1970
Successful introduction of rotation resistant ropes in Lang lay for use on mobile as well as on tower cranes
1973
First production of a special rope core which is the base for the very successful series of B-Series (DIEPA D 1315) ropes
1980
Improvement of the structural design of non-rotation resistant ropes, e.g. DIEPA X 43 (P825), DIEPA X 53 (PZ371)
2002
Improvement of the structural design of rotation resistant ropes by means of a special manufacturing process
2005
Further increase in breaking load of non-rotation resistant ropes by special process engineering (H-series)
2007
Extension of the diameter range of DIEPA ropes up to 120 mm and the maximum rope weight to more than 100 t
2011
Further development of rotation resistant ropes (B-series) resulting in an outstanding combination of flexibility, bending resistance and breaking force