7 1/16” 3M MANUAL TOWNSEND T-81 STYLE
CATEGORY: BLOWOUT PREVENTERS – RAM STYLE, ANNULAR STYLE
7 1/16" 3M Manual Townsend T-81 Style BOP
LKC Equipment supplies 7 1/16″ 3M Manual Townsend T-81 Style BOP components and replacement parts for drilling, workover, well servicing, and pressure control operations. The Townsend T-81 Style Blowout Preventer is a field-proven ram-type BOP designed to provide dependable well control and pressure containment in oilfield environments.
Our inventory includes ram blocks, ram packers, top seals, flex packers, REDA packers, seal kits, bonnet assemblies, ram shafts, drive components, door seals, sprockets, bearings, and replacement parts designed to support maintenance and rebuilding of Townsend T-81 Style BOP systems.

Parts:

| ITEM | PN# | DESCRIPTION |
| 1 | – | Body |
| 2 | TM811 | 1 1/8″ x 5 1/4″ Stud |
| 3 | TM812 | 1 1/8″ Nut |
| 4 | TM813 | 1″ Nut |
| 5 | TM814 | 1″ x 4 1/4″ Stud |
| 6 | TM815 | Old Style Pillow Block Bearing |
| 7 | TM816 | 1/2″ x 2″ Pillow Block Hex Head Cap Screw |
| 8 | 220069 | Bearing |
| 9 | 220070 | Bearing Race Ring |
| 10 | TM819 | Grease Plate Snap Ring |
| 11 | TM8110 | 1/4″ Grease Fitting |
| 12 | TM811 | Slave Sprocket Snap Ring |
| 13 | 9037 | Chain |
| 14 | TM8113 | Bonnet 3/4″ x 1 1/2″ Socket Head Cap Screw |
| 15 | TM8114 | Drive Sprocket Snap Ring |
| 16 | TM8115 | Lifting Plate Set |
| 17 | TM8116 | Hand Wheel |
| 18 | 220087 | Hand Wheel Plug |
| 19 | 6007K | Universal Joint |
| 20 | TH8116 | O-RING Packing Gland |
| 21 | TM8120 | Molded Door Gasket (Seal) |
| 21 | TM8120-OR | O-Ring Door Gasket (Seal) |
| 22 | TM8121 | Ram Shaft Wiper Ring |
| 24 | TM8122 | Slave Sprocket |
| 25 | 9039C | 1 1/4″ Hex Drive Sprocket |
| 25 | 9039 | 1 1/4″ Square Drive Sprocket |
| 26 | TM8124 | Dust Cap |
| 27 | 721513 | Left Hand Ram Shaft |
| 28 | 721522 | Right Hand Ram Shaft |
| 29 | TM8127 | Dust Cover |
| 30 | 9030 | Right Hand Stem Nut |
| 31 | 9031 | Left Hand Stem Nut |
| 32 | TM8130 | Bonnet |
| 33 | TM8131 | Packing Gland |
| 34 | TM8132 | Packing Assembly |
| 36 | 9038 | Drive Shaft |
| 37 | TM8134 | Sprocket Protector |
| 38 | TM8135 | Ram Guide Pin |
| 39 | TM8136 | Alignment Plug |
| 40 | TM8137 | End Cover |
| 41 | TM8138 | Door Plate |
| 43 | TM8140 | Barrier Ring |
| 44 | TM8141 | Alignment Plug & Bonnet O-ring |
| 45 | TH8115 | Ram Shaft O-ring |
| 50 | SEE TABLE | Ram Assy. |
| ‡ | TH81005M-1K | Seal Kit |
‡ ITEM NOT SHOWN
RAM BLOCKS, PACKERS, TOP SEALS
DESCRIPTION | RAM BLOCKS | PACKERS |
STANDARD TOP SEAL |
| 224023 |
HIGH CROWN TOP SEAL |
| 224023HC |
CSO | 223045 | 224000 |
1.315″ | 223046 | 224001 |
1.66″ | 223047 | 224002 |
1.90″ | 223048 | 224003 |
2 1/16″ | 223049 | 224004 |
2 3/8″ | 223051 | 224006 |
2 7/8″ | 223053 | 224008 |
3 1/2″ | 223054 | 224009 |
4″ | 223077 | 224066 |
4 1/2″ | 223078 | 224067 |
5″ | 223079 | 224068 |
5 1/2″ | 223080 | 224069 |
2 3/8″ – 2 7/8″ FLEX | 223053 | 224087 |
2 7/8″ – 3 1/2″ FLEX | 223054 | 224088 |
2 3/8″ W/ #6 ROUND REDA | 223051-RR6 | 226000 |
2 3/8″ W/ #6 FLAT REDA | 223051-FR6 | 226000-1 |
2 3/8″ W/ #4 ROUND REDA | 223051-RR4 | 226000-2 |
2 3/8″ W/ #4 FLAT REDA | 223051-FR4 | 226000-3 |
2 3/8″ W/ #2 ROUND REDA | 223051-RR2 | 226000-4 |
2 3/8″ W/ #2 FLAT REDA | 223051-FR2 | 226000-5 |
2 7/8″ W/ #6 ROUND REDA | 223053-RR6 | 226000-6 |
2 7/8″ W/ #6 FLAT REDA | 223053-FR6 | 226000-7 |
2 7/8″ W/ #4 ROUND REDA | 223053-RR4 | 226000-8 |
2 7/8″ W/ #4 FLAT REDA | 223053-FR4 | 226000-9 |
2 7/8″ W/ #2 ROUND REDA | 223053-RR2 | 226000-10 |
2 7/8″ W/ #2 FLAT REDA | 223053-FR2 | 226000-11 |
OFFSET RAM PACKERS ARE AVAILABLE UPON REQUEST.

RAM BLOCKs

TOP SEAL & RAM PACKERs

FLEX PACKERs

OFFSET PACKERs

ROUND REDA PACKERs

FLAT REDA PACKERs
Townsend T-81 Style BOP Components
The 7 1/16″ Manual Townsend T-81 Style BOP incorporates multiple structural, mechanical, and sealing assemblies designed for reliable pressure-control performance.
Available components include:
- BOP Body
- Bonnet Assemblies
- Ram Assemblies
- Ram Shafts
- Packing Glands
- Packing Assemblies
- Door Plates
- End Covers
- Alignment Plugs
- Barrier Rings
These components work together to provide secure ram operation and dependable well control performance.
Drive System & Mechanical Components
The manual operating system utilizes drive shafts, sprockets, bearings, and handwheel assemblies to actuate ram movement.
Available components include:
- Hand Wheels
- Universal Joints
- Drive Shafts
- Drive Sprockets
- Slave Sprockets
- Bearings
- Bearing Race Rings
- Pillow Block Bearings
- Grease Fittings
- Sprocket Protectors
These mechanical components help ensure smooth operation and reliable ram actuation.
Bonnet & Door Seal Components
Proper sealing is essential for maintaining pressure integrity and safe BOP operation.
Available sealing components include:
- Molded Door Gaskets
- O-Ring Door Gaskets
- Packing Assemblies
- Packing Glands
- Ram Shaft O-Rings
- Ram Shaft Wiper Rings
- Alignment Plug & Bonnet O-Rings
- Seal Kits
Complete Seal Kit Part Number: TH81005M-1K.
Ram Blocks & Ram Packers
LKC Equipment supplies ram blocks and packers for a variety of pipe sizes used with Townsend T-81 Style BOP systems.
Available ram block and packer sizes include:
- CSO Rams
- 1.315″ Rams
- 1.66″ Rams
- 1.90″ Rams
- 2 1/16″ 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
Matching ram packers and top seals are available for each configuration.
Standard & High Crown Top Seals
Top seals play a critical role in maintaining pressure integrity and ensuring reliable ram performance.
Available options include:
- Standard Top Seals
- High Crown Top Seals
These sealing components are designed to provide dependable performance in demanding pressure-control applications.
Flex Packers
Flex packers provide increased sealing flexibility while accommodating a range of pipe sizes.
Available flex packer configurations include:
- 2 3/8″ – 2 7/8″ Flex Packers
- 2 7/8″ – 3 1/2″ Flex Packers
These packers help reduce the need for frequent ram changes while maintaining effective pressure control.
REDA Packers
REDA packers are available in multiple round and flat configurations for specific operational requirements.
Available options include:
2 3/8″ REDA Packers
- #6 Round REDA
- #6 Flat REDA
- #4 Round REDA
- #4 Flat REDA
- #2 Round REDA
- #2 Flat REDA
2 7/8″ REDA Packers
- #6 Round REDA
- #6 Flat REDA
- #4 Round REDA
- #4 Flat REDA
- #2 Round REDA
- #2 Flat REDA
Both round and flat REDA packer configurations are available.
Offset Ram Packers
Offset ram packers are available upon request for specialized well-control and pressure-control applications requiring offset sealing configurations.
Replacement Parts & Maintenance Components
LKC Equipment supplies a wide range of replacement parts for maintaining and rebuilding Manual Townsend T-81 Style BOP systems.
Available replacement components include:
- Ram Guide Pins
- Hand Wheel Components
- Studs & Nuts
- Dust Covers
- Dust Caps
- Bearing Assemblies
- Sprocket Components
- Packing Assemblies
- Seal Components
- Alignment Plugs
- Lifting Plate Sets
These components help extend equipment life while supporting preventative maintenance programs.
Applications
7 1/16″ Manual Townsend T-81 Style 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 maintain safe and dependable well-control performance in demanding field conditions.
Why Choose LKC Equipment
LKC Equipment supplies quality pressure-control equipment and replacement components for oilfield operations worldwide.
Benefits include:
- Townsend T-81 Style BOP components
- Ram blocks and ram packers
- Flex packers and REDA packers
- Standard and High Crown top seals
- Complete seal kits
- Bonnet and drive system components
- Industry-proven pressure-control equipment
Frequently Asked Questions
The Townsend T-81 Style BOP is a manual ram-type blowout preventer used to provide well control and pressure containment during drilling and servicing operations.
Ram blocks are available for sizes ranging from 1.315″ through 5 1/2″, including CSO ram configurations.
Yes. Standard top seals, High Crown top seals, ram packers, flex packers, and REDA packers are available for Townsend T-81 Style BOP systems.
REDA packers are specialized sealing components available in both round and flat configurations for specific pressure-control applications.
Yes. Complete seal kits, packing assemblies, door gaskets, O-rings, and bonnet sealing components are available.
Yes. We supply ram shafts, bearings, sprockets, guide pins, handwheel components, packing assemblies, seals, and additional replacement parts.
Request a Quote from a Trusted Oilfield Equipment Supplier
Looking for 7 1/16″ Manual Townsend T-81 Style BOP components, ram blocks, ram packers, flex packers, REDA packers, top seals, seal kits, or replacement parts?
Contact LKC Equipment today for oilfield equipment, oil and gas tools, equipment availability, specifications, and pricing. Our team can help identify the correct Townsend T-81 Style BOP components for your drilling, workover, and pressure-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.