GOST 9544-2015: Pipeline valves. Leakage rates of valves GOST 9702-87: Play and ball valves. Basic parameters GOST R 54808-2011: Pipeline valves. Leakage rates of valves. GOST R 55724-2013: Non-destructive Testing. Welded Joints. Ultrasonic Methods ...
GOST 9544-75: Pipeline stop valves. Standards for disc tightnessPR 50.2.006-94: Procedure for calibration of measurement equipmentRD 153-39.4-041-99: Operating rules and regulations for trunk oil product pipelines.RD 153-39-011-97: Instruction on accounting of oil products on trunk oil-products...
GOST 9544-2015: Pipeline valves. Leakage rates of valvesGOST 977-88: Steel castings. General specificationsGOST R 15.301-2016: System of product development and launching into manufacture. Products of industrial and technical designation. Procedure of product development and launching into manufacture...
GOST 9544-2015: Pipeline valves. Leakage rates of valvesGOST ISO 1167-1-2013: Thermoplastics pipes, fittings and assemblies for the conveyance of fluids. Determination of the resistance to internal pressure. Part 1. General methodGOST ISO 1167-3-2013: Thermoplastics pipes, fittings and assemblies ...