Pipe threads where pressure tight joints are made on the threads. Taper external threads and taper internal threads. Dimensions, tolerances and designation— 16 стр.
Pipe threads where pressure tight joints are made on the threads. Taper external threads and parallel internal threads. Dimensions, tolerances and designation— 16 стр.
Pipe threads where pressure tight joints are made on the threads. Taper external threads and taper internal threads. Dimensions, tolerances and designation— 16 стр.
Pipe threads where pressure tight joints are made on the threads. Taper external threads and parallel internal threads. Dimensions, tolerances and designation— 16 стр.
Gas-fired central heating boilers. Type B$d1$d1 and B$d1$d1$dB$dS boilers fitted with atmospheric burners of nominal heat input not exceeding 70 kW— 140 стр.
Domestic solid mineral fuel fired boilers with rated output up to 45 kW, Domestic solid mineral fuel fired boilers with rated output up to 45 kw. Specification for boilers with undergrate ash removal— 30 стр.