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Ram Blowout Preventer
Ram Blowout Preventer
Ram Blowout Preventer
Ram Blowout Preventer
Ram Blowout Preventer

Ram blowout preventer

Ram type BOPs are field proven products that are designed for a variety of operations from workovers to high pressure, critical service operations for land drilling and subsea service. It consists of the BOP body, bonnet, hydraulic cylinder assembly, operating piston, ram change cylinder, ram opening/closing piston, locking screw, ram assembly, sealing parts etc. Top, bottom and outlet connection dimensions conform to Specification for Drilling through Equipment API Spec 16A.

  • U type ram BOPs are forging materials, which have better strength and impact toughness.
  • Auxiliary oil cylinder is smaller volume than traditional
  • Manual locking devicecan ensure that ram remains closed once hydraulic loss happened
  • Ram rubber use self-contained seal, and the material can be different according to environment temperature and liquid components.
  • The internal part of BOP can adapt special material, which can achieve the highest levels of resistance to H2S and CO2.
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Technical Data
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Description

Ram type BOPs are field proven products that are designed for a variety of operations from workovers to high pressure, critical service operations for land drilling and subsea service. It consists of the BOP body, bonnet, hydraulic cylinder assembly, operating piston, ram change cylinder, ram opening/closing piston, locking screw, ram assembly, sealing parts etc. Top, bottom and outlet connection dimensions conform to Specification for Drilling through Equipment API Spec 16A.

Ram Blowout Preventer 

Made up of the high-strength and high-tenacity alloy steel, the pressure-bearing parts (like BOP body, bonnet etc.) are formed through external refining and proper heat treatment, preventing the harmful chemical components and nonmetallic inclusion strictly from materials and ensuring BOP to be safe and reliable. The body ram chamber adopts the long runway to reduce stress concentration.

Ram Blowout Preventer

Both the bonnet switch and ram switch are driven by the hydraulic pressure and adopts the same one oil line. The bonnet employs the same one oil line and operation to open and close the ram. Moreover, the bonnet employs the same one oil line and operation to close and open the ram.

Specifications of U type Ram BOP:

Model Main Bore mm(in) Working Pressure MPa(psi) Oil quantity for opening L (Single Cylinder) Oil quantity for closing L (Single Cylinder) Ram Type Max.ram Size(in) Dimension (mm) Weight (kg)
length width height single double
single double
(2)FZ18-35 180(7-1/16) 35 4.6 4.6 U 5-1/2 2477 (3273) 550 736 1116 1870 3586
(2)FZ18-70 180(7-1/16) 70 4.6 4.6 U 5-1/2 2487 (3363) 550 806 1216 2190 4095
(2)FZ18-105 180(7-1/16) 105 4.6 4.6 U 5-1/2 2477 (3273) 550 832 1242 2215 4066
(2)FZ28-35 280(11) 35 10.6 10.8 U 8-5/8 3105 (4165) 650 898 1380 3775 6915
(2)FZ28-70 280(11) 70 10.6 10.8 U 8 5/8 3035 (4065) 660 950 1430 3900 7115
(2)FZ28-105 280(11) 105 10.9 11.1 U 7-5/8 3035 (4396) 820 1205 1840 6660 11750
(2)FZ28-140 280(11) 140 30.1 26.6 U 6-5/8 3890 (5104) 1050 1470 2200 9525 16933
(2)FZ35-35 346(13-5/8) 35 21 22 U 10-3/4 3647 (4833) 720 928 1501 5150 9750
(2)FZ35-70 346(13-5/8) 70 21 22 U 10-3/4 3707 (4893) 745 1115 1720 6020 10940
(2)FZ35-105 346(13-5/8) 105 22.8 23.7 U 10-3/4 3957 (5319) 850 1340 2076 9310 16210
(2)FZ54-14 540(21-1/4) 14 16.3 17.4 U 16 4120 (5800) 1000 944 1638 7450 14420
(2)FZ54-35 540(21-1/4) 35 51 56 U 16 4884(6364) 1080 1300 2100 13720 26500
(2)FZ54-70 540(21-1/4) 70 51 56 U 16 4884(6364) 1200 1742 2542 15718 29773
(2)FZ68-21 680(26-3/4) 21 36 37 U 20 5305(6646) 1280 1214 1924 13300 24800

Drawing

Ram blowout preventer
 
Technical Data

S Type Ram Blowout Preventer

Ram Blowout Preventer

Main Quality

S Type Ram BOPs are highly durable products designed for workovers and high-pressure critical service operations. These BOPs conform to API Spec 16A standards, ensuring safety and operational efficiency.

Description

Ram Blowout Preventer 

The S Type Ram BOP consists of:

  • BOP body

  • Bonnet

  • Hydraulic cylinder assembly

  • Operating piston

  • Ram change cylinder

  • Ram opening/closing piston

  • Locking screw

  • Ram assembly

  • Sealing parts

Key features include:

  • High-quality alloy steel casting (NACE MR-01-75 compliant) suitable for acid medium conditions.

  • Internal flow design prevents pipe damage during operation.

  • High-pressure door seals for enhanced safety and reliability.

  • Manual control system for backup safety.

Technical Data

Ram Blowout Preventer

Model Main Bore (mm/in) Working Pressure (MPa/psi) Oil Quantity for Opening (L) Oil Quantity for Closing (L) Ram Type Max. Ram Size (in) Dimensions (mm) Weight (kg)
(2)FZ18-21 179.4 (7-1/16) 21 (3000) 1.6 2 H 5-9/16 1420 x 645 x 568 854
(2)FZ18-35 179.4 (7-1/16) 35 (5000) 1.6 2 H 5-9/16 1420 x 645 x 624 910
(2)FZ18-70 179.4 (7-1/16) 70 (10000) 2.2 2.5 H 5-9/16 1720 x 640 x 897 1262
(2)FZ18-105 179.4 (7-1/16) 105 (15000) 7.4 8 H 5-1/2 1988 x 820 x 922 3175
(2)FZ23-21 228.6 (9) 21 (3000) 1.3 1.5 HF 7 1526 x 565 x 580 705
(2)FZ23-35 228.6 (9) 35 (5000) 4.7 5.3 HF 7 2036 x 720 x 805 1830
(2)FZ28-21 279.4 (11) 21 (3000) 2.7 3.2 S 8-5/8 1846 x 675 x 740 1400
(2)FZ28-35 279.4 (11) 35 (5000) 5.4 6.2 S 8-5/8 2265 x 785 x 895 2475

More Details

  • Manufactured with high-quality alloy steel ensuring durability and longevity.

  • Hydraulically operated bonnet and ram switch for easy operation.

  • Enhanced safety features such as manual override systems.

  • Designed to handle high-pressure environments.

  • API Spec 16A compliance guarantees industry-standard specifications.

This document provides a detailed comparison of U Type and S Type Ram BOPs, ensuring clarity in selecting the right equipment based on operational needs.

 
More Details

U Type Ram BOPs are field-proven products designed for various operations, including workovers and high-pressure, critical service operations for land drilling and subsea services. These BOPs conform to API Spec 16A standards and provide high reliability and safety.

Description

The U Type Ram BOP consists of:

  • BOP body

  • Bonnet

  • Hydraulic cylinder assembly

  • Operating piston

  • Ram change cylinder

  • Ram opening/closing piston

  • Locking screw

  • Ram assembly

  • Sealing parts

The high-strength and high-tenacity alloy steel used in the pressure-bearing parts ensures superior durability. The external refining and proper heat treatment eliminate harmful chemical components and nonmetallic inclusion, enhancing safety and reliability.

The long runway body ram chamber reduces stress concentration. The bonnet and ram switch are hydraulically driven, using the same oil line for efficient operation.

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Ram blowout preventer

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