Flange union elbows with slope angle 135° for tube connections on internal cone. Construction and dimensions
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Pipe-line connections. Leak tightness test methods
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Hydraulic pipe systems. General testing requirements.
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High-pressure vessels and pipe parts. Ultrasonic flaw detection method applied for forged blanks.
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Shutoff pipeline fittings on Ru up to 64 kgf/cm2. Valve tightness tests.
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Pipeline fittings. Tightness test with air and water (instead of helium, freon, kerosene).
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Accelerated life tests of pipefittings for durability. Basic principles of acceleration.
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Pipeline fittings. General requirements to periodic tests.
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Pipeline fittings. Climatic tests methods.
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Pipeline fittings for nuclear power facilities. Incoming control of materials of semi-finished products and component parts. Scope and methods.
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Pipeline fittings. Methodology instructions for program drawing-up and reliability test methods.
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Pipeline fittings sealing.
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