Tigerrig Drilling Ring
Single arm rings
Product implementation standard: API SPEC 8C,GB/T19190
The material adopts high quality alloy structural steel
Design safety factor n=2.25-3
Rated load :(50-750) short tons.
The two ends of the single-arm lifting ring are die forged, and the middle bar is free to be drawn
Forgings undergo special heat treatment
100% of the products are nondestructive testing.
Model
D (mm)
r1 (mm)
R1 (mm)
L1 (mm)
L2 (mm)
L3 (mm)
r2 (mm)
R2 (mm)
L4 (mm)
L5 (mm)
L6 (mm)
L (mm)
Weight (kg)
DH50
48
22
51
20
100
150
64
60
120
180
1100
58
DH75
53
21
106
28
80
70
140
203
1500
90
DH100
102
190
118
DH150
68
23
25
95
210
1800
165
DH250
78
30
200
34.5
135
250
2700
346
DH350
89
37
35
254
3300
462
DH500
115
47
83
50
170
121
160
242
300
3600
890
DH750
56
127
55
318
63
131
191
262
330
3660
1400
Double arm rings
Design safety factor n=3
Rated load :(30-150) short tons.
Both arms are forged and welded
Special heat treatment
d1 (mm)
d2 (mm)
SH30
40
SH50
45
22.5
128
73
SH65
1200
94
SH75
134
SH100
27.5
65
27
75
SH150
85
1700
244
Drilling swivel arm rings
Rated load :(135-450) short tons.
The faucet lift ring is forged for freedom.
A (mm)
B (mm)
C (mm)
d (mm)
E (mm)
F (mm)
H (mm)
R (mm)
SL135
114
585
130
1130
220
SL225
680
240
1300
340
SL450
941
225
1480
530