API Single Arm Elevator Links
1.Description
DH forged elevator links are designed to hang elevators from Top Drive System or Hooks in drilling operation.
Read the Manual before use elevator links.
Each elevator link of one pair is forged from one single billet of high strength alloy steel, heat treated, surface-strengthen treated and NDT for super performance and long service.
The rating loads of elevator links series are 150t(1350kN),200t (1800kN),250t (2250kN),350t (3150kN),500t
(4500kN).All the technical data and properties of elevator links completely conform to the requirements of SY/T
5035 and API Spec 8C. Composition and meaning for elevator links series:
2.Structural
Elevator links can work in pairs. The elevator link upper eye is used for the hook link ear, and the elevator link
lower eye is used for the elevator.
3.Specifications for DH forged elevator links
Type | Connecting sizes between | Connecting sizes between | L(mm) | Rated Cap.Per Set | ||||||||
r1≤ | R1≥ | l1≥ | l2≥ | l3≥ | r≤ | R2≥ | l4≤ | l5≥ | l6≥ | |||
DH360 | 20 | 51 | 20 | 100 | 150 | 22 | 38 | 60 | 120 | 180 | 1200 | 360(40) |
DH585 | 22 | 51 | 20 | 100 | 150 | 22 | 64 | 70 | 120 | 180 | 1100 | 585(65) |
DH900 | 22 | 51 | 20 | 100 | 150 | 29 | 64 | 80 | 140 | 190 | 1500 | 900(100) |
DH1350 | 24 | 51 | 25 | 100 | 150 | 29 | 64 | 100 | 140 | 210 | 1800 | 1350(150) |
DH2250 | 31 | 70 | 30 | 140 | 200 | 35 | 102 | 140 | 200 | 250 | 2700 | 2250(250) |
DH3150 | 37 | 70 | 35 | 140 | 200 | 35 | 102 | 140 | 200 | 250 | 3300 | 3150(350) |
DH4500 | 48 | 83 | 50 | 170 | 250 | 48 | 121 | 160 | 240 | 300 | 3600 | 4500(500) |
DH6750 | 57 | 127 | 50 | 190 | 318 | 63 | 127 | 190 | 262 | 305 | 3660 | 6750(750) |
L:Dimensions of recomendation .It can be changed if necessary. | ||||||||||||
