Engineering selection and product sourcing
Morgan Advanced Materials
Morgan Advanced Materials plc is a UK materials group founded in 1856, with its registered office at York House, Sheet Street, Windsor SL4 1DD. Its Performance Carbon business makes carbon brushes, brush holders and wind turbine slip ring assemblies, with UK manufacturing in Swansea (+44 1792 763000).
UK engineering team · Product sourcing · Supply support
Source Morgan Advanced Materials parts or compare a suitable alternative
Need Morgan Advanced Materials parts, a replacement or another suitable option? Send your part number or describe what the machine needs to do. We connect your requirement with experienced UK engineering and procurement support to help you get the right products, pricing and supply options. Your matched provider can take the enquiry through quotation and ordering to delivery and after-sales support.
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Specify Morgan Advanced Materials parts or an equivalent
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| Legal name | Morgan Advanced Materials plc |
|---|---|
| Founded | 1856 |
| Founder | The Morgan brothers |
| Owner / parent | Morgan Advanced Materials plc |
| Headquarters | Windsor SL4 1DD, United Kingdom |
| Employees | about 8,100 across 57 operating sites (as published, undated) |
| Website | morganadvancedmaterials.com |
Manufacturer information and published contact details
Morgan Advanced Materials contact details
Registered office
York House, Sheet StreetWindsor SL4 1DD
United Kingdom
Website morganadvancedmaterials.com
Morgan Performance Carbon, Swansea (manufacturing)
Upper Fforest WaySwansea SA6 8PP
United Kingdom
Telephone +44 1792 763000
Morgan Performance Carbon, Redditch (manufacturing)
Unit 13 Madeley Road, North Moons MoatRedditch, Worcestershire B98 9NB
United Kingdom
Telephone +44 1527 69205
Morgan Performance Carbon, Germany (sales and manufacturing)
Zeppelinstraße 2653424 Remagen
Germany
Telephone +49 2642 9040-0
Contact details as published by Morgan Advanced Materials plc, checked 2026-10-30. Specify Motion is not affiliated with Morgan Advanced Materials plc.
Morgan Advanced Materials product lines
| Wind turbine slip ring assemblies | Brush, rocker, holder and ring systems for 850 kW–10 MW generators |
|---|---|
| Brush holders and rockers | Phase, grounding and lightning brush holders |
| Carbon brushes | Wind, power generation, industrial and traction brush grades, incl. National S22 and 634 |
| Current collectors | Crane collectors and railway current collectors |
| Shaft grounding | AEGIS SGR earthing systems |
| Seal faces and bearings | Carbon seal faces and sliding bearings |
| Thermal Products and Technical Ceramics | Insulation, refractories and engineered ceramics (other divisions) |
Who Morgan Advanced Materials is
Morgan Advanced Materials plc is a British engineered-materials group with three businesses: Thermal Products, Performance Carbon and Technical Ceramics. It says it employs about 8,100 people across 57 operating sites. Its registered office is in Windsor, Berkshire.
For slip ring engineers the relevant part is Performance Carbon, which makes electrical carbon: carbon brushes, brush holders and rockers, slip ring assemblies for wind turbine generators, current collectors and shaft grounding. Morgan is not a maker of instrument or capsule slip rings; its strength is the brush-and-ring interface in large power machines, where brush grade, spring force and ring material decide wear, sparking and maintenance intervals.
History and ownership
Morgan’s history page traces the group to a London crucible works:
- 1856: the Morgan brothers found the Patent Plumbago Crucible Company, making graphite crucibles in Battersea, London.
- 1881: renamed The Morgan Crucible Company; shares are floated in 1890.
- 1907: commutator brush production begins at Battersea and a sales office opens in Germany.
- 1925: a brush factory is established in New York.
- 1946: the company is listed on the London Stock Exchange.
- 1971–76: brush manufacturing moves from Battersea to Morriston, South Wales.
- 2013: the group is renamed Morgan Advanced Materials.
Morgan Advanced Materials plc is registered in England under company number 286773, and its registrar is Equiniti. Its website shows a quoted share price and names no parent company.
Product portfolio
Morgan publishes few numeric ratings for these products, so our series records capture what its brochures say:
- Wind turbine generator slip ring assemblies: complete brush, rocker, holder and slip ring systems for generators from 850 kW to 10 MW, 144 to 450 mm in diameter, with stainless steel or bronze rings in moulded or built-up designs, for new turbines and retrofits.
- Wind turbine brush holders and rockers: phase, shaft-grounding and lightning brush holders with constant-force springs, improved multi-point radial contact and conversions for longer brushes.
- Wind turbine carbon brushes: phase, earth, lightning protection and pitch control brushes in around 20 grades for bronze, steel and high-load rings, including the National S22 silver grade, with cross-references for many turbine platforms.
- Power generation brushes and holders: carbon brushes and multi-axis adjustable holders for generators and motors, led by the National 634 grade for turbo alternators.
Performance Carbon also lists crane collectors, railway current collectors, AEGIS SGR earthing systems, seal faces, sliding bearings, specialty graphite and high-temperature felts.
Technologies and standards
Morgan’s expertise is carbon and metal-graphite material science: matching brush grade to ring material, current density and surface speed, building a stable patina, and controlling sparking and wear. Its wind brochure lists nominal current density, speed, resistivity, density and metal content for each grade, and supports UL and DIN specifications. National S22, its latest silver grade, is designed to form continuous metal channels for conductivity. For engineers, the practical point is that a “slip ring problem” in a generator is often a brush grade or spring problem, so specify the ring and brushes together. Our high-current slip rings page and how to specify a slip ring guide cover the basics.
Industries served
Performance Carbon serves wind and power generation, hydropower, transportation and rail, aerospace, semiconductor, industrial and petrochemical plant, mining and construction, home and industrial appliances, and security and defence. See slip rings for wind turbines and the renewable energy market page.
Points to check when comparing Morgan slip ring parts
For wind generator slip rings, the brush grade, ring material and holder design work as a system, so a like-for-like comparison has to cover all three. Check the current density and surface speed of the brush grade against the generator’s operating point, the spring force and brush length (which set the maintenance interval), and whether the ring is bronze or steel. For aftermarket parts, confirm the turbine platform, generator supplier and ring diameter, because similar-looking turbines can use different slip ring assemblies. Ask for nominal grade data in writing before trialling a new brush.
Global and UK presence
Performance Carbon lists 35 sales and manufacturing locations worldwide. In the UK it manufactures at Upper Fforest Way, Swansea SA6 8PP (+44 1792 763000) and at North Moons Moat, Redditch B98 9NB (+44 1527 69205). In Europe it has sites in France, Spain, Germany, Hungary, Italy, Luxembourg, the Netherlands, Poland and Sweden. Enquiries go through the Performance Carbon contact form.
What to send when specifying Morgan slip ring parts
Give the generator or turbine make and model, ring diameter and material, current per phase, surface speed, existing brush grade and holder, operating environment and the maintenance interval you want. Photos of the ring surface and worn brushes help diagnose patina and wear issues.
Specify Motion is independent of Morgan Advanced Materials. Our engineers can help source Morgan slip ring products or propose equivalents from our supply network on published figures; see find a replacement or the slip rings hub.
Morgan Advanced Materials history: key dates
- 1856The Morgan brothers found the Patent Plumbago Crucible Company in Battersea, London
- 1881Renamed The Morgan Crucible Company
- 1907Commutator brush production starts at Battersea
- 1925Brush factory established in New York
- 1946Listed on the London Stock Exchange
- 1971–76Brush manufacturing moves from Battersea to Morriston, South Wales
- 2013Renamed Morgan Advanced Materials
Morgan Advanced Materials slip rings
Wind turbine generator slip ring assemblies
Complete brush, rocker, holder and slip ring systems for wind turbine generators from 850 kW to 10 MW, 144 to 450 mm in diameter, with stainless steel or bronze rings in moulded or built-up designs, for new turbines and retrofits.
Wind turbine brush holders and rockers
Phase, shaft-grounding and lightning brush holders and rockers with constant-force springs, multi-point radial contact and longer-brush conversions for wind generator slip rings.
Wind turbine carbon brushes (incl. National S22)
Phase, earth/grounding, lightning protection and pitch control brushes in around 20 grades for bronze, steel and high-load rings, including the National S22 silver grade, with cross-references for most major turbine platforms.
Power generation brushes and holders (National 634)
Carbon brushes and multi-axis adjustable brush holders for generator collector rings and motors, led by the National 634 (NCC634) grade for turbo alternators.
Engineer support
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