Literature cited
Industry Standard 26-07-2042-81. Pipe Fittings. Gate Valves with a Metal-on-Metal Seal. Design and Dimensions. Technical Requirements.
All-Union State Standard 9544-75. Piping Cut-off Fittings. Tightness Standards.
All-Union State Standard 24643-81. (Standard of the Council for Mutual Economic Aid 636-77). Basic Standards of Interchangeability. Tolerances for Form and Location of Surfaces. Numerical Values.
Additional information
Engineers. Translated from Khimicheskoe i Neftyanoe Mashinostroenie, No. 8, p. 36, August, 1988.
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Fedorov, O.I., Pavlov, V.P. Tests of valve pairs with a cermet alloy in the seal. Chem Petrol Eng 24, 445–446 (1988). https://doi.org/10.1007/BF01149214
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DOI: https://doi.org/10.1007/BF01149214