В памет на моя баща проф. д-р. инж. Андрей Борисов Марков

ЕТ „КРАМ“

30 years of quality and experience in the making of ventilation installations

Company founder and owner is Prof. Dr. Eng. Andrey Borissov Markov, who has a great experience, as a designer and scientific worker. He has worked mainly in the field of central heating, ventilation and air conditioning in residential, public and industrial buildings. He is the author of a number of scientific publications. A team, whose main leader and author is professor Markov, created the active design norms for heating, ventilation and air conditioning.

Founding

1990-1992

The Firm is registered in 1990 and it operates actively since 1992.

Development

1996

Since 1996, "CRAM" , as a member of the Technical Committee 41, named "Heating, Ventilation, Air Conditioning and Waste Treatment Technique" participates actively in the harmonization of the Bulgarian State Standards (BSS) with the European ones (EN). For the needs of this activity "CRAM" prepared and offered for approval the International Standards (ISO), yet effective in our country, such as:

  1. BSS ISO 13351 : 1997. Industrial Fans. Dimensions.
  2. BSS ISO 7807 : 1999. Air distribution - Straight circular sheet metal ducts with a lock type spiral seam and straight rectangular sheet metal ducts - Dimensions.

Now

2022

For the needs of its production, in the scope of its system for quality, for the batch manufactured equipment "CRAM" elaborated inner instructions - Technical Specifications, which act as inner Production Standard. The same are implemented and allow efficient organization of the current control of the quality.

Company management

  • Eng. Andrey Borissov Markov, who is responsible for the consulting, investigating and design activities, the testing and the quality system improvement.

  • Eng. Boris Andreev Markov, who is responsible for the production, the economic and technological activities provision, the operative management and the application of the system for quality and participates in its improvement.

Manufacturing

Изработка, производство и доставка на вентилационна техника и компоненти,

Guarantee

Guarantee and after guarantee service

ТЕХНИЧЕСКИ ВЪЗМОЖНОСТИ

  • "CRAM" has at its disposal the needed equipment, standards and methods for laboratory tests of the manufactured equipment and for in-situ testing of them, as well.

  • The measurements and the processing of the results are done by highly skilled specialists with greater experience in experimental work. More than 85% of this work is automated - from the recording of the directly measured dimensions and their processing to the drawing of its charts.

  • For "CRAM" needs, in order to provide the needed quality of the manufactured equipment with moving components, a system was elaborated with equipment and software allowing static and dynamic balancing of a separate working wheel and of the whole unit, as well (working wheel together with the electric motor, ventilator, as a whole, or another set.)

30 years of experience

CRAM manufactures, sells and mounts a wide range fans and components designed for air-conditioning and ventilationing systems in residential, communals, industrial etc. buildings

email: cram_bm@abv.bg