Affiliated Open Join-Stock Company
	"Baki Fahlasi Machine building plant"

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Tallving systems
Tallving system is intended for round trips with the purpose of changing worn-out drilling bit, loggiing and holding drilling columns and lowering casings. Tallving system consists of crown block, tallving block, polyspast and hook bracket. Some systems have tallving block and hook joined in one mechanism hook block.     Basic technical information is shown below. Description TBN4-75 KBN5-75 U4-130-3 U3-130-2 TBN5-BP-200 KBH6BP-200 TBH6-300 KBH7-300 5BT.03 2KRB2x32 Nominal loading, mN 0,75 0,75 1,25 1,25 2,0 2,0 3,0 3,0 0,32 0,32 Maximal loading, mN 1,0 1,0 1,6 1,6 2,5 2,5 3,75 3,75 0,4 0,4 Tallving system rigging 4x5 4x5 5x6 5x6 5x6 5x6 6x7 6x7 2x3 2x3 Number of sheaves 4 5 5 6 5 6 6 7 3 2 Rope diameter, mm 25 25 28 28 32 32 32 32 22 22 Overall dimensions, m 1,6 0,59 0,87 2,225 1,0 0,83 2,12 0,83 1,06 2,32 1,213 1,29 2,25 0,92 1,16 2,5 1,34 1,31 2,615 1,125 1,16 2,5 1,34 1,54 0,712 0,695 0,486 1,74 0,425 0,68 Mass, kg 1,2 1,25 2,2 2,4 3,3 3,65 4,7 4,8 0,2 0,38