After nationalization in 1948 both companies changed their names several times till 1975 when became a part of worldwide known Czechoslovak concern Sigma Lutín. After so-called velvet revolution is the Sigma concern separated to different companies which were privatized or restored.

Also the Sigma Česká Třebová was privatized and became an joint-stock company, nevertheless the company became bankrupt in 1995. LDM bought it and became the continuator of more than 100-years of valves manufacturing tradition in Česká Třebová.

Currently LDM is strongly export-oriented company with more than 220 employees and LDM industrial valves can be found worldwide particularly in power generation, industrial processes, heating, ventilation, air conditioning, gas industry and other applications. LDM product range includes control valves, shut-off valves and safety valves in pressure ranges from PN 6 to PN 630 and dimensions from DN 10 to DN 600. The wide product portfolio is a reason why LDM valves can be found in almost all fields of human activities where it is necessary to control a flow, pressure or temperature.

LDM has its own subsidiary in Slovakia, Poland, Bulgaria, Germany, Russia and Kazakhstan and many authorized partners in other countries.

LDM has also well-established and certified integrated quality management system according to standards ISO 9001, ISO 14001 and OHSAS 18001 which it is ensuring permanent quality and a high level of all company processes.

As follows from above mentioned, LDM company dignity continues the long-time tradition of industrial valves manufacturing in Česká Třebová to which proudly claims as its successor. The company´s future consist in fulfilment of the vision that was allready defined in 1995:

World-famous, leading and trend-making company in the development, production, sale and service of industrial valves

Dynamic company allowing to all their employees achievement of high level of self-fulfillment and social prestige

Reputable company whose name stands for high utility value, quality and reliability

Sucessfull fulfillment of the vision results from the conviction, that three main pillars on which the company stands are strong. The first pillar are our customers and their needs whose satisfaction is directed effort of the whole company to. The second pillar are our products. LDM is company which firmly stands on its own development, so the cycle of a development, design, manufacturing, sale and service is closed. The third and no less important pillar are own employees who are able to respond flexibly to constantly changing market requirements and who are able to actively and jointly form the company future. Ultimately, not only many awards from international exhibitions from past, but also many OEM products, whose LDM manufacture and delivers to many other producers under their own brand, recognize the high quality of LDM production and confirm the right way, which LDM took in 1991.

LDM - Model RD 122 D -Differential Pressure Regulator