Butterfly valves. Basic parameters
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Vacuum valves. Types. Main characteristics
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Check valves. Basic parameters
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Plastic valves. Main parameters
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Butterfly control valves. Basic parameters
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Tube connections and fittings. Nominal pressures. Series
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Reverse pipe fittings for thermal power-stations. Types and main parameters
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Nominal bores (nominal sizes)
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Index system of production quality. Butterfly and spherical valves for hydraulic turbines. Index nomenclature
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Pipeline valves. Nomenclature of characteristics. Check-lists for design and order
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Pipe fittings. The nomenclature of indicators. Questionnaires for design and order
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