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Pipeline fittings. Valve trims with polytetrafluorethylene sealing and composition materials. Specifications and methods for fixation of sealing rings

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Pipeline fittings for main pipelines. Design loads from pipelines. Procedure for calculation and numerical values

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Pipeline fittings. Bolts and studs‎ Static load strength rating

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Pipeline fittings and actuators. Passport. Rules for design and format

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Pipeline fittings. Running threaded pairs. Basic dimensions and specifications

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Pipeline fittings. Deposit welding repair. Technical requirements

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