Russian standards
Pipeline fittings. Gland seal with fusable metal seal. Design and basic dimensions. Technical requirements
Document status: Active
Pipeline fittings. Iron castings. Technical requirements
Document status: Active
General purpose industrial pipeline fittings supplied for nuclear power stations. General technical requirements
Document status: Active
Pipeline fittings. Valve trims with polytetrafluorethylene sealing and composition materials. Specifications and methods for fixation of sealing rings
Document status: Active