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Pipeline fittings. Deposit welding and quality control of deposited surfaces. Technical requirements

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Pipeline fittings. Designation of materials in design documentation

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Pipeline fittings. Rubber-metal sealings for gate valves. Design, dimensions, production technique

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Pipeline fittings. Gate valves. Procedure for strength calculation

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Pipeline fittings. Screw-type cylindrical springs. General technical specifications

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Pipeline fittings. Packing washers made of paronite and rubber. Dimensions and specifications

Document status: Active