Welding personnel. Approval testing of welding operators for fusion welding and resistance weld setters for fully mechanized and automatic welding of metallic materials— 12 стр.
Welded steel tubes for pressure purposes. Technical delivery conditions. Electric welded non-alloy and alloy steel tubes with specified elevated temperature properties— 30 стр.
Specification and qualification of welding procedures for metallic materials. Welding procedure test. Arc and gas welding of steels and arc welding of nickel and nickel alloys— 36 стр.
Flanges and their joints. Dimensions of gaskets for PN-designated flanges. Corrugated, flat or grooved metallic and filled metallic gaskets for use with steel flanges— 12 стр.
LPG equipment and accessories. Equipment for liquefied petroleum gas automotive filling stations. Components other than dispensers, and installation requirements— 22 стр.
Flanges and their joints. Design rules for gasketed circular flange connections. Calculation method for metal to metal contact type flanged joint— 64 стр.
LPG equipment and accessories. Construction and performance of LPG equipment for automotive filling stations. Components other than dispensers and installation requirements— 22 стр.
Water conditioning equipment inside buildings. Chemical dosing systems. Pre-set dosing systems. Requirements for performance, safety and testing— 20 стр.
LPG equipment and accessories. Transportable Liquefied Petroleum Gas (LPG) welded steel pressure drums with a capacity between 150 litres and 1 000 litres— 64 стр.
Specification for the design and manufacture of site built, vertical, cylindrical, flat-bottomed, above ground, welded, steel tanks for the storage of liquids at ambient temperature and above— 250 стр.
Pressure regulators and associated safety devices for gas appliances. Pressure regulators for inlet pressures above 500 mbar up to and including 5 bar— 48 стр.
Flanges and their joints. Dimensions of gaskets for PN-designated flanges. Corrugated, flat or grooved metallic and filled metallic gaskets for use with steel flanges— 12 стр.