Russian standards PDF
Pipeline fittings. Gland seal with fusable metal seal. Design and basic dimensions. Technical requirements
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Pipeline fittings. Packing washers with easily fusible filler. Design, basic dimensions, production technique
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Ship's pipeline fittings. Operating procedure for shelf-life expired fittings' operation permission
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Pipeline fittings. Ball valves. Procedure for strength calculation
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Pipeline fittings. Rolled steel forgings, pressworks and fabricated parts. Technical requirements
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Pipeline fittings. Heat treatment of blanks made of carbon and alloyed structural steels. Typical process
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