;BUR-BK-102; BUR-BK-114; BUR-BK-127; BUR-BK-140; BUR-BK-146; BUR-BK-168; BUR-BK-178; BUR-BK-245;
Passage diameter of casing string mm; 101,6; 114,3; 127,0; 139,7; 146,1; 168,3; 177,8; 244,5;
Maximum outer diameter mm; 114,3; 127,0; 141,3; 153,7; 166,0; 187,7; 194,5; 269,9;
Inner diameter after dilling-out mm; 89,0; 99,6; 112,0; 124,3; 129,1; 150,4; 159,4; 226,6;
Max axial compression load, kH; 500; 600; 600; 700; 700; 900; 900; 1500;
Central hole diameter, mm; 40,0; 50,0; 50,0; 60,0; 60,0; 70,0; 70,0; 120,0;
Total circulation Holes area, mm²; 2060,0; 2766,5; 2766,5; 4032,0; 4032,0; 5454,5; 5454,5; 13 716,0;
Length, mm; 220; 220; 230; 240; 240; 260; 280; 310;
Weight, kg; 5,7; 6,0; 6,8; 9,5; 10,2; 16,4; 18,0; 38,7;