Annular BOP(Annular Blowout Preventer)

Annular BOP(Annular Blowout Preventer)

Annular BOP(Annular Blowout Preventer) introduction

Annular blowout preventer is divided into cone rubber core and spherical rubber core, according to the structure of the rubber core.

Annular Blowout Preventer with cone rubber core
The annular blowout preventer with cone rubber core is composed of top cover, shell, piston, cone rubber core and dust-proof coil.

Features:
● total exchange of rubber core
● wearing-resistant belt protection is added structurally, which can prevent and improve the cylinder score incurred due to unbalanced loading of piston.
● the hoisting ring is strengthened, to hoist the blowout preventer group wholly.
● the connection way of fixture block is adopted, which facilitates dismounting and rubber core exchange.


Annular Blowout Preventer with spherical rubber core
Annular blowout preventer with spherical rubber core is composed of top cover, shell, piston, spherical rubber core and dust-proof coil.

Features:
● total exchange of rubber core
● wearing-resistant belt protection is widened on the basis of the original structure, which can prevent and improve the cylinder score incurred due to unbalanced loading of piston.

Specification for annular blowout preventer :
Model Working Pressure (psi) Ring Groove Bore size (in) Hydraulic Connection NPT Top Connection Bottom Connection Height (in) Length (in) Weight (lbs)
FH18-21 3000 R45 7-1/16 1" Studded Flanged 29 29 2893
FH18-35 5000 R46 7-1/16 1" 31 29 3212
FH18-35/70 5000 R46 BX156 7-1/16 1" 32 29 3418
FH23-21 3000 R49 9 1" 33 35 5275
FH23-35 5000 R50 9 1" 37 40 6734
FH28-21 3000 R53 11 1" 39 40 6921
FH28-35 5000 R54 11 1" 42 45 9460
FH28-35/70 5000 R54 BX158 11 1" 43 48 10626
FH28-70/105 10000 BX158 11 1" 55 57 23980
FH35-35 5000 BX160 13-5/8 1" 45 50 13508
FH35-35/70 5000 BX160 BX159 13-5/8 1" 48 50 13937
FH35-70/105 10000 BX159 13-5/8 1" 61 65 33176
FH53-21 3000 R74 20-3/4 1" 52 59 14950
FH54-14 2000 R73 21-1/4 1" 46 49 14950

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