Junk Mills
Design Features：
The housing assembly is made of thick section steel plate to provide enough weight.
The wire line is kept taut when hoisting or lowering the unloaded block.
The sheave grooves are hardened by medium frequency induction to provide extended service life.
Equipped with double-row conical roller bearings and each bearing is individually lubricated.
The sheaves and bearings are interchangeable with those of corresponding crown blocks.
The traveling blocks conform to API specification 8C and API monogram can be used.
Parameter:
Model YC90 YC135 YC170 YC225 YC315 YC450 YC585
Max Hook Load
(KN) 900 1350 1700 2250 3150 4500 5850
OD Of Sheave
mm(in) 762
(30) 915
(36) 915
(36) 1120
(44) 1270
(50) 1524
(60) 1524
(60)
Number of
Sheave 4 4 5 5 6 6 7
Dia of Wire Line
mm(in) 26
(1) 26
(1) 29
(1 1/8) 32
(1 1/4) 35
(1 3/8) 38
(1 1/2) 42
(1 5/8)
Size (L×W×H)
(mm) 1500×806
×533 1800×960
×610 2100×960
×630 2294×1190
×630 2680×1350
×974 3075×1600
×800 3100×1600
×965
Weight (kg) 1810 2200 3010 3805 6842 8135 9600
Hook
Design Features：
Equipped with a hydraulic snubber assembly to protect tool joints when making up/breaking out connections.
Equipped with the reliable safety devices on the hook.
The high stress parts of every hook are subjected to nondestructive testing.
The hook conform to API specification 8C and API monogram can be used.
Parameter:
Model DG90 DG135 DG170 DG225 DG315 DG450 DG585
Max Hook Load (kN) 900 1350 1700 2250 3150 4500 5850
Size of Master month
of Hook mm(in) 155
(6 1/16) 165
(6 1/2) 180
(7) 190
(7 1/2) 220
(8 5/8) 220
(8 5/8) 238
(9 3/8)
OD of Master month
of Hook mm(in) 116
(4 1/2) 140
(5 1/2) 150
(6) 160
(6 1/4) 180
(7) 180
(7) 180
(7)
OD of Accessary month
of Hook mm(in) 80
(3 1/8) 90
(3 1/2) 90
(3 1/2) 100
(4) 120
(4 3/4) 120
(4 3/4) 120
(4 3/4)
Size (L×W×H) (mm) 2000×680
×600 2200×720
×616 2450×750
×630 2545×780
×750 2953×890
×830 2950×890
×880 3156×930
×930
Weight (kg) 1800 1910 2020 2180 3410 3496 3900
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