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Tender description :
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Qualification system:Delivery of elements for the construction of heat transfer networks and related equipment in the licensed territory of evn bulgaria toplofikatsia ead, plovdiv, by categories
The qualification system (qs) is created in order to carry out a preliminary selection of candidates, with the aim of entering the qs with the specified subject, including the following categories:
category 1: pre-insulated pipes, fittings, fittings and couplings
category 2: start and lens compensators
category 3: ball valves and butterfly valves
category 4: steel fittings without insulation (elbows, tees, reducers, sockets, bottoms, etc.) and flanges
category 5: steel pipes
category 6: steel profiles and sheet metal
category 7: elements of internal installations
category 8: press pipes and fittings
category 9: press joints for connecting thick-walled steel pipes
category 10: safety fittings, filters and fittings
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