Product Features

The seal between the middle flange and the shell adopts

a floating seal structure, which has stable sealing performance

and reduces the tightening torque of the side door bolts

The gate is taken out and replaced from the side to reduce the

overall height of the blowout preventer group, which is convenient

for gate replacement. The number of parts is small, which improves

the reliability of the product, simplifies the after-sales maintenance

procedures, reduces maintenance costs,

and the product appearance is simple and beautiful

The shell, middle flange, cylinder, piston rod, cylinder sleeve,

and gate shaft adopt corresponding advanced surface treatment

processes to improve the corrosion resistance of parts and the

reliability of the blowout preventer The FHZ28-105/140 annular

blowout preventer is mainly composed of the shell,

piston, top cover and other main parts. The top cover and the shell

are connected by claw discs, the rubber core is a conical rubber core,

and the seals are interchangeable with imported products