7 1/16” 5M HYDRAULIC TOWNSEND T-81 STYLE

CATEGORY: BLOWOUT PREVENTERS – RAM STYLE, ANNULAR STYLE

7 1/16" 5M Hydraulic Townsend T-81 Style BOP

LKC Equipment supplies 7 1/16″ 5M Hydraulic Townsend T-81 Style BOP components and replacement parts for drilling, workover, completion, intervention, and pressure control operations. Designed for dependable well control and pressure containment, the hydraulic Townsend T-81 Style Blowout Preventer utilizes hydraulic actuation systems to provide reliable ram operation in demanding oilfield environments.

Our inventory includes hydraulic cylinders, pistons, ram assemblies, ram shafts, bonnet components, seal kits, ram packers, top seals, flex packers, REDA packers, and replacement parts used for maintaining and rebuilding 7 1/16″ 5M Hydraulic Townsend T-81 Style BOP systems.

Parts:

ITEM	PN#	DESCRIPTION
1	–	Body
2	300-770	1 3/8″ x 7 1/4″ Stud
3	300-705	1 3/8″ Nut
4	300-702	1″ Nut
5	300-315	1″ x 4 1/4″ Stud
6	TH815	Alignment Plug & Bonnet O-ring
7	TH816	1/4″ NPT Pipe Plug
9	TH818	Bolt f/ Cylinder
13	TH8111	Hand Wheel
14	6007K	Universal Joint
15	TH8113	Stainless Steel 1/4″ x 1/4″ Socket Head Set Screw
16	TH8114	Bolt f/ Protector M.O.R.
17	TH8115	Ram Shaft O-ring
18	TH8116	O-RING Packing Gland
20	TH8117	Cylinder O-ring
21	TH8118	Door Manifold O-ring
22	TH8119	Piston O-ring
23	TH8120	Manifold Tube O-ring
24	TH8121	Door Gasket
25	TH8122	Ram Shaft Wiper Ring
26	TH8123	Piston Seal / Crown Seal
27	TH8124	Packing Gland
28	TH8125	Packing Assembly
29	TH8126	Ram Guide Pin
30	TH8127	Alignment Plug
31	TH8128	End Cover
32	TH8129-5	Door Plate
33	TH8130	Piston
34	TH8131	Cylinder
35	TH8132	Balance Stem
36	TH8133	MOR Protector
37	TH8134	Locking Shaft
38	TH8135	Ram Shaft
39	TH8136	Manifold Tube
41	TH8137	Bonnet
42	300-703	1 1/8″ Nut
43	300-325	1 1/8″ x 4 3/4″ Stud
44	TH8140	Brass Spacer Ring
45	TH8145	Pipe Plug
50	SEE TABLE	Ram Assy.
‡	220087	Hand Wheel Plug
‡	TH81005-1K	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

Hydraulic Townsend T-81 Style BOP Components

The 7 1/16″ 5M Hydraulic Townsend T-81 Style BOP consists of multiple hydraulic, structural, and sealing assemblies engineered for reliable pressure-control performance.

Available components include:

BOP Body
Bonnet Assemblies
Ram Assemblies
Hydraulic Cylinders
Pistons
Ram Shafts
Locking Shafts
Balance Stems
End Covers
Door Plates

These components work together to provide efficient hydraulic ram operation and dependable well control performance.

Hydraulic Cylinder & Piston Assemblies

The hydraulic operating system is the primary difference between the hydraulic and manual Townsend T-81 designs.

Available hydraulic components include:

Hydraulic Cylinders
Pistons
Cylinder O-Rings
Piston O-Rings
Piston Seals
Crown Seals
Manifold Tubes
Door Manifold O-Rings
Pipe Plugs

These components allow hydraulic pressure to actuate the ram assemblies while maintaining sealing integrity.

Bonnet, Ram Shaft & Mechanical Components

The bonnet assembly and ram shaft system provide structural support and controlled ram movement during operation.

Available components include:

Bonnets
Ram Shafts
Ram Guide Pins
Alignment Plugs
Packing Glands
Packing Assemblies
Brass Spacer Rings
End Covers
MOR Protectors
Universal Joints

These components support long-term durability and dependable field performance.

Seal Kits & Pressure Control Seals

Maintaining seal integrity is critical to safe BOP operation. LKC Equipment supplies a complete range of sealing components for hydraulic Townsend T-81 systems.

Available sealing products include:

Cylinder O-Rings
Piston O-Rings
Door Manifold O-Rings
Ram Shaft O-Rings
Packing Glands
Packing Assemblies
Door Gaskets
Ram Shaft Wiper Rings
Alignment Plug & Bonnet O-Rings
Piston Seals
Crown Seals

Complete Seal Kit Part Number:

TH81005-1K

Ram Blocks & Ram Packers

LKC Equipment supplies ram blocks and ram packers for multiple tubular sizes used in 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 are available for each configuration.

Standard & High Crown Top Seals

Top seals help maintain pressure integrity while supporting proper ram operation.

Available options include:

Standard Top Seals
High Crown Top Seals

These sealing components are designed for demanding well-control environments.

Flex Packers

Flex packers allow operators to seal around multiple pipe sizes while reducing equipment changeover requirements.

Available configurations include:

2 3/8″ – 2 7/8″ Flex Packers
2 7/8″ – 3 1/2″ Flex Packers

Flex packers improve operational flexibility while maintaining dependable sealing performance.

REDA Packers

REDA packers are available in both round and flat configurations for specialized pressure-control applications.

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

Round and flat REDA packer options are available depending on application requirements.

Offset Ram Packers

Offset ram packers are available upon request for specialized well-control and sealing applications requiring offset pipe configurations.

Replacement Parts & Maintenance Components

LKC Equipment supplies replacement components for maintaining and rebuilding hydraulic Townsend T-81 Style BOP systems.

Available replacement parts include:

Hand Wheels
Universal Joints
Locking Shafts
Balance Stems
Manifold Tubes
Cylinder Components
Piston Components
Bonnet Assemblies
Ram Guide Pins
Door Plates
Seal Components

These components help support preventative maintenance programs and extend equipment service life.

Applications

7 1/16″ 5M Hydraulic Townsend T-81 Style BOP components are commonly used in:

Drilling operations
Well control systems
Pressure control equipment
Workover operations
Completion activities
Intervention services
Oilfield maintenance programs

These components help operators maintain safe and reliable well-control performance in high-pressure environments.

Why Choose LKC Equipment

LKC Equipment supplies quality pressure-control equipment and replacement parts for oilfield operations worldwide.

Benefits include:

Hydraulic Townsend T-81 Style BOP components
Hydraulic cylinders and pistons
Ram blocks and ram packers
Flex packers and REDA packers
Standard and High Crown top seals
Complete seal kits
Industry-proven pressure-control equipment

Frequently Asked Questions

What is a Hydraulic Townsend T-81 Style BOP?

A Hydraulic Townsend T-81 Style BOP is a ram-type blowout preventer that uses hydraulic cylinders and pistons to operate ram assemblies for well-control applications.

What pressure rating is this BOP designed for?

This model is designed for 7 1/16″ 5M pressure-control applications.

What ram block sizes are available?

Ram blocks are available from CSO through 5 1/2″ pipe sizes, including multiple standard ram configurations.

Are ram packers and top seals available?

Yes. Standard top seals, High Crown top seals, ram packers, flex packers, REDA packers, and offset packers are available.

Do you supply hydraulic cylinder components?

Yes. Hydraulic cylinders, pistons, manifold tubes, seals, O-rings, and replacement hydraulic components are available.

Are seal kits available?

Yes. Complete seal kits, door gaskets, piston seals, crown seals, packing assemblies, and O-rings are available for hydraulic Townsend T-81 Style BOP systems.

Request a Quote from a Trusted Oilfield Equipment Supplier

Looking for 7 1/16″ 5M Hydraulic Townsend T-81 Style BOP components, ram blocks, ram packers, flex packers, REDA packers, hydraulic cylinders, 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.