Technical parameter of ram-type BOP
Item |
Single ram-type BOP |
Double ram-type BOP |
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Product code (P/N) | RS11963 | RS11863 | |||
Model |
FZ28-35 | 2FZ28-35 | |||
Upper jointing type |
Studded |
Flange |
Studded |
Studded |
Flange |
Lower jointing type |
Flange |
Flange |
Studded |
Flange |
Flange |
Weight |
2619Kg (5788lb) |
2856Kg (6312lb) |
4766Kg (10533lb) |
5003Kg (11057lb) |
5240Kg (11580lb) |
H mm Height H mm |
670 | 900 | 830 | 1,065 | 1,305 |
Normal diameter |
279.4mm (11″) | ||||
Test pressure of hydrostatic pressure |
52.5MPa (5,000psi) | ||||
Rated working pressure |
35MPa (5,000psi) | ||||
Pilot-operated rated working pressure |
21MPa(3,000psi) | ||||
Recommended pilot-operated operation pressure |
8.4~10 .5MPa(1,200~1,500psi) | ||||
Oil volume required by starting one pair of rams |
22 L | ||||
Oil volume required by closing one pair of rams |
24 L | ||||
Interface thread of hydraulic control pipe line | NPT 1″ | ||||
Specification of side outlet |
3 1/8″-5,000psi or subject to the contract |
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Temperature grade |
T20(-29~121℃) | ||||
Shut-down proportion | 1:11.1 | ||||
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Table 5 Specification of available rams
The wholly sealed 2 1/16″, 2 3/8″,2 7/8″,3 1/2″,4″,4 1/2″,5″,5 1/2″,5 3/4″,6″, 6 5/8″, 7″,2 3/8″eccentric, 2 7/8″eccentric, 3 1/2″eccentric,3 1/2″double-hole,2 3/8″~3 1/2″variable-diameter, 2 7/8″~5″variable diameter, 5″~5 1/2″variable diameter, shear ram |