Company History

2004
DDL GmbH founded by Uli Lutz, managing director/partner.
25 sqm of office space and 40 sqm of storage space in Ebersbach a.d. Fils OT Roßwälden. Assembly of the main product group of link chain sealing modules externally in Neuburg/Do.
2006
Additional storage space of 160 sqm in Zell u.A.
2007
Relocation of link chain assembly from Neuburg to our own premises in Zell u.A.
2008
Establishment of a second main product group - first "attempts" in the production of press ring sealing inserts with a manual table rubber disc cutting machine.
External steel part production using laser technology.
2009
Design and construction of a simple electric rubber blank cutting machine. Establishment of an internal design function for rubber and steel parts.
2010
Start with polyurethane processing for hybrid sealing inserts with simple, self-developed and built mixing and dosing equipment. Purchase of a rubber disc cutting machine J.Peters/P 2000 II.
2011
Move to Wernau a.N. – 70 sqm of office space and 500 sqm of production, assembly and storage space. Purchase of a fully automatic polyurethane mixing and dosing machine DEKUMED/100.
2012
Purchase of a CNC water jet cutting system STM/1020 with 4,000 bar working pressure for rubber cutting (pure water) and steel cutting (abrasive).
Insourcing of steel parts production. Shipping switch to UPS software with server connection and barcode function.
2013
Move to the neighboring building - 150 sqm of office space and 1050 sqm of production, assembly and storage space. Purchase of a second fully automatic polyurethane mixing and dosing machine DEKUMED/100. Conversion of the Internet software and complete revision/redesign of the website.
2014
Acquisition of a second CNC water jet cutting system STM/1515 with 4,000 bar working pressure with pure water operation for rubber cutting. Development of a new main product group of cable ducts with system cover technology.
2015
Purchase of a third fully automatic polyurethane mixing and dosing machine DEKUMED/100.
2016
Purchase of a 3rd CNC water jet cutting system STM/1015 with 3,800 bar working pressure with abrasive operation for steel cutting.
2017
Warehouse conversion to high racks.
2018
Purchase of a CNC solid-state laser cutting system ZINSER/1225 with 4 KW for steel cutting with 7 times the cutting speed compared to waterjet abrasive. Conversion of all CNC waterjet systems to pure water rubber cutting. Start into the future with "Industry 4.0" production - central programming/control for all 4 CNC systems linked to ghost shift production.
2019
Development and patenting of the S-HEF utility house introduction.
2021
As part of the merger, DDL GmbH will be taken over by svt Holding GmbH and will strengthen the svt group of companies as a competence center for pressure-tight penetrations. The svt group of companies has been one of the leading full-service providers in the field of passive structural and industrial fire protection for over 50 years. Klaus Uli Lutz will retire from management this year and is pleased to be able to continue his life's work. Heiko Bachleitner will succeed Uli Lutz as the management and site responsibility of DDL GmbH. In addition to the new task of managing the company, Mr. Bachleitner's focus is on the further development of DDL and its existing sealing systems in the direction of fire protection.
2024
DDL GmbH celebrates its 20th anniversary
Red pins: DDL agencies, black pins: DDL exports