Gold Member Since 2014
Audited Supplier
Jianhu Jielin Petrochemical Machinery Co., Ltd.

Bop, RAM Bop, Blowout Preventer manufacturer / supplier in China, offering 2fz28-21 RAM Blowout Preventer Bop, 7-1/16" 5m API 6A Oil Forged FC Gate Valve of Wellhead, 2" 1502 Style 50 Swivel Joint (elbow) and so on.

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Supplier Homepage Product BOP 2fz28-21 RAM Blowout Preventer Bop

2fz28-21 RAM Blowout Preventer Bop

FOB Price: US $100,000-1,000,000 / Set
Min. Order: 1 Set
Min. Order FOB Price
1 Set US $100,000-1,000,000/ Set
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Production Capacity: 500sets
Transport Package: Wooden Case Box
Payment Terms: T/T

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Basic Info
  • Model NO.: api 16a
  • Usage: Well Drilling Machinery, Offshore Oil and Gas Field Exploitation Machinery, Oil and Gas Transportation Machinery, Oil and Gas Processing Machinery, Oil (Gas) Production Machinery
  • Power Type: Electric
  • Specification: API 16A, API 16A
  • Size: 7-1/16"
  • Trademark: JELIN
  • HS Code: 8431431000
  • Type: Petroleum Drilling Tool & Accessory
  • Certification: ISO, API 16A
  • Transmission System: Mechanical
  • Operating: Hydraulic
  • Features: Shear RAM Bop
  • Origin: China
Product Description
Hydraulic RAM preventer
Hydraulic RAM preventer is an important component assembly of well control device. It is characterized by flexible switch, easy operation, safety in use and simple maintenance, etc.

Structural features
For double-faced RAM, both faces of the RAM are symmetrical. For different sizes of drilling tools, only rubber seal semi-ring and RAM briquetting need to be replaced, and other parts can be used interchangeably; Single-faced RAM is not reversible; Shear RAM can cut off wellhead drilling tools and fully seal wellhead; Variable RAM is used within certain limits to seal different sizes of drilling tools and annular tubes.

Seal features of RAM:
RAM floating, RAM's automatic cleaning and well pressure seal, and RAM's automatic centering and self-feeding function. When sealing wellhead, RAM preventer should seal four places at the same time to shut in a well effectively, that is, the seal between RAM top and shell, the seal between RAM front end and pipe, the seal between shell and side entrance and the seal between piston rod and side entrance.

RAM locking device:
Manual type locking device is used to close or lock RAM by man. Please note that manual locking device is only used to close RAM rather open it. To open RAM after use, it's necessary to first reset and unlock manual locking device and then open RAM with hydraulic pressure.

1                  Single ram bop technical parameters
ModelFZ1835FZ1870FZ18105FZ2335FZ2821FZ2835FZ2870FZ28105FZ3535FZ3570FZ35105FZ5414FZ5321
Bore mm ( in )179.4 (7 1/16″)228.6(9")279.4 ( 11″)346.1 (13 5/8″)539.8(21 1/4″)527.1(20 3/4″)
Working Pressure MPa    ( psi )  35 (5000)70 (10000)105 (15000)35 (5000)21 (3000)35 (5000)70 (10000)105 (15000)35 (5000)70 (10000)105 (15000)14 (2000)21 (3000)
Hydraulic Control Pressure MPa≤10.5
Piston Bore mm150180280220220220250355250355355250250
Open Volume (L)2×1.62×2.222×6.12×4.72×2.682×5.22×6.62×14.42×7.42×19.92×17.442×13.22×12.2
Close Volume ( L)2×1.92×2.52×6.562×5.32×3.222×5.452×7.42×16.72×8.32×202×192×15.42×13.6
Locking TypeManual
Main Bore connectionBoltM36×3M39×3M39×3M42×3M36×3M48×3M45×3M50×3M42×3M48×3M58×3M42×3M52×3
Ring GasketR46BX156BX156R50R53R54BX158BX158BX160BX159BX159R73R74
Dimension   (mm)Locking shaft Non-rising stem1392172018422036184622652370264024683274307433663424
Locking shaft rising stem




26152710
2940

3956
W58271593481599886095011689701488130512051238
H64485692282071090010761244950127514209151070
Weight( kg)10461750340520331520298035407154439894851010566055862
Remark

Shear ram 



Shear ram Shear ramShear ramShear ram

Variable ramVariable ramVariable ram





























2                   Double ram bop technical parameters
 Model2FZ18352FZ18702FZ181052FZ23352FZ28212FZ28352FZ28702FZ281052FZ35352FZ35702FZ351052FZ54142FZ5321
 Bore mm ( in )179.4 (7 1/16″)228.6(9")279.4 ( 11″)346.1 (13 5/8″)539.8(21 1/4″)527.1)20 3/4″)
Working Pressure MPa      ( psi )35 (5000)70 (10000)105 (15000)35 (5000)21 (3000)35 (5000)70 (10000)105 (15000)35 (5000)70 (10000)105 (15000)14 (2000)21 (3000)
Hydraulic Control Pressure MPa≤10.5
Piston Bore mm150180280220220220250355250355355250250
Open Volume (L)4×1.64×2.224×6.14×4.74×2.684×5.24×6.64×14.44×7.44×19.94×17.444×13.24×12.2
Close Volume (L)4×1.94×2.54×6.564×5.34×3.224×5.454×7.44×16.74×8.34×204×194×15.44×13.6
Locking TypeManual
Main Bore connectionBoltM36×3M39×3M39×3M42×3M36×3M48×3M45×3M50×3M42×3M48×3M58×3M42×3M52×3
Ring GasketR46BX156BX156R50R53R54BX158BX158BX160BX159BX159R73R74
Dimension  (mm)Locking shaft Non-rising stem1392172018422036184622652370264024683274307433663424
Locking shaft rising stem




26152710
2940

3956
58271593481599886095011689701488130512051238
H9181262137212001090900107617849501740142014801480
Weight(kg)179533206291366925664910631012686662014340167631072412800
Remark

Shear ram



Shear ramShear ram Shear ram Shear ram 

Variable ramVariable ramVariable ram

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