In the end of October month the company Fastra l.t.d. has carried out double-sided stoppling of gas centre-pressure steel pipeline DN300 by bypass. A process of works was under control of Slovaktechnical inspection and the representatives of pipelines operator nad owner - SPP distribúcia j.s.c.- came to inspect our work. All participants were very satisfied with a quality of our work and at the same time they appreciated our new technology. According to them Fastra stoppling technology as a significant contribution to a safety of works carrying out on gas pipelines during the operation and at the same time to an universality and easy service of Fastra technology.Our device is able to seal steel pipeline with a diameter up to DN500 and PE pipeline with a diameter up PE315.