The annular BOP applies lip shaped seal ring
and reduces the abrasion of seal ring maximumly. It has reliable seal and
funnel effect. The gel column is stuck firmly and well pressure can help with
the seal.
The specification and technical parameter
of annular BOP(A type)
Model
Nominaldiameter (mm)
Working pressure
(m Pa/psi)
Closing oil volume(L)
Opening oil volume(L)
Dimension
Overal weight(for reference only)(kg)
A
B
FHZ18-70
179.4
70/10000
36
27
1200
1250
6293
FHZ28-70
279.4
70/10000
67
66
1465
1653
12290
FHZ35-70
346.1
70/10000
116
117
1554
1742
15190
FHZ43-35
425.4
35/5000
134
134
1680
1590
14100
FHZ54-14
539.7
14/2000
95.3
94.5
1380
1437
7660
Th e specification and
technical parameter of annular BOP(D type)