DG Series Of Hooks

DG Series Of Hooks

Structural features：
The hook complies with API 8A specification and conforms to the SY/T5527 standard.
The hook is equipped with the reliable safety devices on the main hook.
The hook is equipped with a hydraulic snubber assembly to protect drill pipe joint.
The main parts are made of high stress alloy steels and are subjected to nondestructive testing.

Model DG90 DG135 DG170 DG225 DG315 DG450 DG585
Max hook load. kN 900 1350 1700 2250 3150 4500 5850
US ton 100 150 200 250 350 500 650
Main hook cpening size mm 155 165 180 190 220 220 238
in 6 1/16 6 1/2 7 71/2 8 5/8 8 5/8 9 3/8
Main hook dia. mm 116 140 150 160 180 180 180
in  4 1/2 5 1/2 6 6 1/4 7  7 7
Assistant hook dia. mm 80 90 90 100 120 120 120
in 3 1/8 3 1/2 3 1/2 4 4 3/4 4 3/4 4 3/4
spring stroke mm 180 180 180 180 200 200 200
in 7 7 7 7 8 8 8
Size mm 2000×680
×600		 2200×720
×616		 2450×750
×630		 2545×780 ×750 2953×890 ×830 2950×890 ×880 3156×930 ×930
in 79×27×23 79×28×24 96×29×25 100×31×29 116×35×33 116×35×35 124×37×37
Weight kg 1800 1910 2020 2180 3410 3496 3900
Ib 3970 4210 4450 4800 7520 7710 8598

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