Check valves for stipulated pressure of pn < 25 MPa (250 kgf/sm2)
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Pipeline valves. Safety valves. Selection and calculation of capacity
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Malleable iron chaklift screwed and flanged valves for Pnom 1,6 mpa (16 kgf/sq cm)
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Non-return check valves. Basic parameters
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Pipeline valves. Swing and lift check valves. General specifications
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Pipeline accessories. Check fittings for main oil pipelines and oil product pipelines. General specifications
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Pipeline valves. Diaphragm valves of thermoplastics materials. General specifications
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Pipeline valves. Check valves of thermoplastics materials. General specifications
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