Pipeline fittings. Shut-off gate valves with "metal-to-metal" sealing. Technical requirements
Document status: Active
Pipeline fittings. Metallic and non-metallic nonorganic coatings. Process
Document status: Active
Pipeline fittings. Welding of fittings to pipeline. Technical requirements
Document status: Active
Pipeline fittings. Incoming materials, semifinished products and components inspection
Document status: Active
Pipeline fittings. friction units pivot-saddle and stem-bushing. Design and dimensions
Document status: Active
Pipeline fittings. Packing washers with easily fusible filler. Design, basic dimensions, production technique
Document status: Active
