API 16A Coiled Tubing Bop

Our API 16A hydril annular BOP can be used in work over and drilling operations equipped with hydril control systems. The BOPs are designed and manufactured in full conformity to the API 16A standard.


The annular BOP mainly consists of a body, a header, a rubber core, and a piston. The inner rubber core is interchangeable. While the annular BOP can be used independently, it normally works with a single or a double BOP. It can seal the drilling tool or well bore efficiently, preventing oil well blow outs. Its anti H2S performance conforms to the NACE MR 0175 standard.



1.single ram BOP seals annular space between tubing and casing or wellbore.

2.single ram BOP suspends and stabilizes string.

3.single ram BOP with side outlets could be used for choke and blowout.

4.single ram BOP can be used in operation under pressure.



Model 2FZ18-21 2FZ18-35

Rated working pressure(psi) 3000 5000

Nominal diameter(in) 7 1/16 7 3/8

Strength pressure test(psi) 6000 7500

Oil cylinder working pressure(psi) 1200-1500 1200-1500

Piston stroke(mm) 100 100

Metal temperature class -29~121℃ -29~121℃

Nonmetal temp. class -18~121℃ -18~121℃

Oil cylinder closed chamber volume 2 x 1.75L 2 x 1.75L

Oil cylinder open chamber volume 2 x 1.50L 2 x 1.50L

Ram closed interval(s) <15 <15

Ram specification 2 3/8” 2 7/8” 3 1/2” 4 1/2” blind ram 2 3/8” 2 7/8” 3 1/2” 4 1/2” blind ram

Bolt quantity and diameter 12-M30 x 3 x 210 12-M36 x 3 x 230

Ring gasket R45 R46

Dimension(mm) 1350 x 380 x 638 1350 x 395 x 656

Weight(lb) 1717 1780

Weight 6617 kg


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