SWIVEL HOOK (DOUBLE HOOK)

SWIVEL HOOK (DOUBLE HOOK)

Shackles, rings, hooks, and adapters (oilfield rotary hooks) used Die forging for high strength and quality steel.

The main body is formed by finishing round steel.

The national standard pressure bearing ensures 360 – degree flexiblerotation under full load.

锻造超合金钢-淬火和回火。.

Individually proof test at 2.5 times Working Load Limit.

100% 磁粉裂纹检测。.

表面处理：粉末涂层。.

极限载荷是工作载荷的4倍。.

♦ 注意事项 ♦
1) 每次使用前，操作员必须对吊索进行安全检查，只有合格后方可使用；;
2) 吊索必须由专业人员（经过培训的合格人员）每月定期检查；;
3) 若发现吊索的尺寸磨损超过原始尺寸的51%，必须及时更换；;
4) 若发现尺寸变形超过原始尺寸的31%，必须及时更换以确保安全。.