11” 3M-10M CAMERON TYPE-U
CATEGORY: BLOWOUT PREVENTERS – RAM STYLE, ANNULAR STYLE
11" Cameron Type U BOP 3M–10M
LKC Equipment supplies 11″ Cameron Type U BOP components and replacement parts for drilling, completion, workover, intervention, and pressure control operations. The Cameron Type U blowout preventer is one of the industry’s most widely used ram-type BOP systems, providing dependable well control and pressure containment in demanding oilfield environments.
Our inventory includes ram assemblies, operating pistons, operating cylinders, bonnet seals, ram packers, flex packers, VBR packers, shear ram components, seal kits, and replacement parts designed for 3M, 5M, and 10M pressure-rated Cameron Type U systems.
Parts:
| ITEM | PN# | DESCRIPTION |
| 1 | – | BODY |
| 2 | – | INTERMEDIATE FLANGE |
| 3 | – | BONNET |
| 4 | SEE TABLE | RAM ASSEMBLY |
| 5 | 673178 | OPERATING PISTON |
| 6 | 30274-03 | OPERATING CYLINDER |
| 7 | 30308-02 | HOUSING LOCKING SCREW |
| 8 | 30365 | LOCKING SCREW |
| 9 | 30362 | RAM CHANGE POSITION – OPEN |
| 10 | 30363 | RAM CHANGE POSITION – CLOSE |
| 11 | 30273-03 | RAM CHANGE CYLINDER |
| 12 | * | BONNET BOLT |
| 13 | 5915-25 | ALLEN HEAD BOLT – LOCKING SCREW HOUSING (TOWNSEND) |
| ‡ | 5915-25-10 | STUD – LOCKING SCREW HOUSING (CAMERON) |
| ‡ | 12955-17-10 | NUT – LOCKING SCREW HOUSING (CAMERON) |
| 15 | 8724 | CHECK VALVE |
| 16 | 5940-09 | SCREW f/ PLASTIC PACKING |
| 17 | 5930-05 | PIPE PLUG f/ PLASTIC PACKING |
| 18 | 12469-38 | PLASTIC PACKING RING |
| 19 | 18586-13 | PLASTIC ENERGIZING RING |
| 20 | 11741-38 | CONNECTING ROD SEAL RING |
| 21 | 21792-22 | BACK-UP RING |
| 22 | 6441972 | BONNET SEAL |
| 23 | 30313-03 | RAM GUIDE PIN |
| 24 | 702640-45-11 | O-RING – OPERATING CYLINDER |
| 25 | 18492-91 | O-RING – OPERATING PISTON ROD to INT. FLANGE |
| 26 | 710539 | OPERATING PISTON LIP SEAL |
| 27 | 11741-33 | TAIL ROD SEAL RING |
| 28 | 702640-33-51 | O-RING – WIPING |
| 29 | 702640-32-61 | O-RING – RAM CHANGE PISTON to BODY |
| 30 | 702940-33-11 | O-RING – RAM CHANGE PISTON ROD to INT. FLANGE |
| 31 | 31423-25-13-85 | O-RING – RAM CHANGE CYLINDER to INT. FLANGE |
| 32 | ** | O-RING – RAM CHANGE CYLINDER to BONNET |
| 33 | 702640-33-51 | O-RING – RAM CHANGE PISTON |
| 34 | *** | O-RING – BONNET BOLT RETAINER |
| 35 | 702585-22-00-50 | CAP SCREW – INT. FLANGE to BONNET |
| 36 | 17454-08 | BLEEDER GLAND |
| 37 | 17454-09 | BLEEDER PLUG |
| 38 | 11849 | LIFTING EYE |
| 40 | 2353-27 | STEEL WASHER |
| 41 | 18572-84 | RETAINER RING |
| 42 | 49223-02 | OPERATING PISTON WEAR RING |
| ‡ | 7650-08 | PLASTIC PACKING |
| ‡ | 644909-02K | SEAL KIT (3M – 10M) |
‡ NOT SHOWN
* 3M — PN# 30312-04 ; 5M — PN# 30312-03 ; 10M — PN# 30312-05
** 3M – PN# 31423-26-13-85 ; 5M – PN# 31423-26-13-86 ; 10M – PN# 31423-26-13-85
*** 3M — PN# 702640-22-71 ; 5M – PN# 702640-22-91 ; 10M — PN# 702640-23-41
RAM BLOCKS, PACKERS, TOP SEALS
DESCRIPTION | RAM BLOCKS | PACKERS |
STANDARD TOP SEAL |
| 4165 |
|
|
|
CSO | 044118-01 | 4101 |
2 3/8″ | 044118-05 | 4115 |
2 7/8″ | 044118-06 | 4118 |
3 1/2″ | 644835-01-00-02 | 4124 |
4″ | 044119-02 | 4126 |
4 1/2″ | 644835-02 | 4127 |
5″ | 644835-03-00-01 | 4128 |
5 1/2″ | 044120-01 | 4130 |
6″ | 044120-02 | 4131 |
6 5/8″ | 044120-03 | 4132 |
7″ | 044120-04 | 4133 |
7 5/8″ | 044120-05 | 4134 |
8 5/8″ | 044120-06 | 4135 |
3 1/2″ – 5″ FLEX |
| 11TU-FLEX |
2 7/8″ – 5″ VBR (STD TOP SEALS) |
| 11TU-VBR1 |
3 1/2″ – 5 1/2″ VBR (STD TOP SEALS) |
| 11TU-VBR2 |
SBR BLADE |
| 11SBR-BLADE |
SBR SIDE 1 |
| 11SBR-S1 |
SBR SIDE 2 |
| 11SBR-S2 |
RAM BLOCKs
TOP SEALs
RAM PACKERs
FLEX PACKERs
VBR PACKERs
SBR SHEAR RAMS
11" Cameron Type U BOP Components
The 11″ Cameron Type U BOP consists of multiple structural, hydraulic, and sealing assemblies designed to provide reliable pressure control performance.
Available components include:
- BOP Body
- Intermediate Flange
- Bonnet
- Ram Assemblies
- Operating Pistons
- Operating Cylinders
- Locking Screws
- Ram Change Cylinders
- Bonnet Bolts
- Check Valves
These components work together to ensure safe operation and dependable well control performance in high-pressure applications.
Hydraulic Operating Components
The hydraulic operating system controls the movement of the ram assemblies and maintains proper sealing performance during operation.
Available hydraulic components include:
- Operating Pistons
- Operating Cylinders
- Ram Change Cylinders
- Operating Piston Wear Rings
- Operating Piston Lip Seals
- Connecting Rod Seal Rings
- Tail Rod Seal Rings
- Check Valves
These components help maintain smooth operation and reliable pressure control performance.
Bonnet Seals, O-Rings & Seal Kits
Proper sealing is essential for maintaining pressure integrity and safe BOP operation. LKC Equipment supplies a complete range of sealing products for 11″ Cameron Type U systems.
Available sealing components include:
- Bonnet Seals
- Plastic Packing Rings
- Plastic Energizing Rings
- Backup Rings
- Operating Cylinder O-Rings
- Ram Change Cylinder O-Rings
- Wiping O-Rings
- Operating Piston Seals
- Complete Seal Kits
Seal Kit Part Number: 644909-02K for 3M–10M systems.
Ram Blocks & Ram Packers
Ram blocks and ram packers are essential well-control components that seal around drill pipe, tubing, and other tubulars.
Available ram block sizes include:
- CSO Rams
- 2 3/8″ Rams
- 2 7/8″ Rams
- 3 1/2″ Rams
- 4″ Rams
- 4 1/2″ Rams
- 5″ Rams
- 5 1/2″ Rams
- 6″ Rams
- 6 5/8″ Rams
- 7″ Rams
- 7 5/8″ Rams
- 8 5/8″ Rams
Matching ram packers and top seals are available for each ram configuration.
VBR Packers & Flex Packers
Variable Bore Rams (VBR) provide increased flexibility by allowing operators to seal around multiple pipe sizes using a single ram configuration.
Available products include:
Flex Packers
- 3 1/2″ – 5″ Flex Packers
VBR Packers
- 2 7/8″ – 5″ VBR Packers
- 3 1/2″ – 5 1/2″ VBR Packers
These sealing systems help reduce equipment changeover time while maintaining reliable pressure control performance.
Shear Ram Components
The 11″ Cameron Type U system also supports shear ram assemblies used for emergency well control applications.
Available components include:
- SBR Blade
- SBR Side 1
- SBR Side 2
- SBR Shear Ram Assemblies
These components are designed to support critical well control functions in demanding operational environments.
Replacement Parts & Maintenance Components
LKC Equipment supplies replacement parts for maintaining and rebuilding Cameron Type U BOP systems.
Available components include:
- Ram Guide Pins
- Bleeder Glands
- Bleeder Plugs
- Retainer Rings
- Steel Washers
- Cap Screws
- Lifting Eyes
- Housing Locking Screws
- Bonnet Hardware
- Seal Components
These parts help extend equipment service life while supporting preventative maintenance programs.
Applications
11″ Cameron Type U BOP components are commonly used in:
- Drilling operations
- Well control systems
- Pressure control equipment
- Workover operations
- Completion projects
- Intervention services
- Oilfield maintenance programs
These components help operators maintain safe and reliable well control in challenging operating conditions.
Why Choose LKC Equipment
LKC Equipment supplies high-quality pressure control equipment and replacement parts for oilfield operations worldwide.
Benefits include:
- 11″ Cameron Type U BOP components
- Ram blocks and ram packers
- VBR and Flex packers
- Shear ram assemblies
- Complete seal kits
- Bonnet seals and O-rings
- Hydraulic operating components
- Industry-proven pressure control solutions
Frequently Asked Questions
The 11″ Cameron Type U is a ram-style blowout preventer designed to provide well control and pressure containment during drilling and intervention operations.
The available components support 3M, 5M, and 10M pressure-rated Cameron Type U systems.
Yes. Ram blocks and matching packers are available in sizes ranging from 2 3/8″ through 8 5/8″.
VBR (Variable Bore Ram) packers allow operators to seal around multiple pipe sizes using a single ram assembly, reducing equipment changeover requirements.
Yes. Complete seal kits, bonnet seals, packing rings, energizing rings, backup rings, and O-rings are available for 11″ Cameron Type U systems.
Yes. SBR shear ram blades, side components, and related well-control parts are available.
Request a Quote from a Trusted Oilfield Equipment Supplier
Looking for 11″ Cameron Type U BOP components, ram blocks, ram packers, VBR packers, flex packers, shear ram assemblies, bonnet seals, or seal kits?
Contact LKC Equipment today for oilfield equipment, oil and gas tools, equipment availability, specifications, and pricing. Our team can help identify the correct Cameron Type U replacement parts and pressure-control components for your drilling and well control requirements. We supply new, used, and refurbished well control equipment for drilling, workover, and oilfield operations. Our team is ready to support your operations with reliable supply and fast service.
Our commitment to quality and reliability has positioned us as a trusted oilfield equipment supplier and oilfield supply company serving clients across Oklahoma, North Dakota, Pennsylvania, California, and Texas, and across the United States and worldwide.