Manufacturer of high-performance sealing solutions, elastomers, engineering thermoplastics and electrical connectors for demanding industries
Greene, Tweed & Co.
Hofheim am Taunus (DE) · Lansdale, PA (US, HQ) · Kulpsville, PA (US) · Houston, TX (US) · Selma, TX (US) · Nottingham (GB) · Yverdon-les-Bains (CH) · Cergy-Pontoise (FR) · Milano (IT) · Tokyo (JP) ·New on Amplifa
About Greene Tweed
Greene Tweed develops and manufactures advanced sealing and material solutions for applications under extreme conditions. The product portfolio includes seals (O-rings, T-seals, rotary seals, rod & piston seals, metal spring energized MSE seals, V-rings), electrical connectors (Seal-Connect), structural components such as brackets, housings and fire protection covers as well as wear parts for pumps and compressors and wafer handling components for semiconductor manufacturing. Some of the materials are developed in-house: fluoroelastomers (Chemraz FFKM, Fusion FKM, Fluoraz FEPM), high-performance thermoplastics (Arlon PEEK, Avalon fluoropolymers) and thermoplastic composites (Xycomp DLF, ONX 600, AR, WR). Customers come from aerospace, chemical processing, energy, defense, semiconductor, life sciences and hydrogen technology; over 3,300 components serve more than 3,000 customers worldwide in over 100 countries. The 160-year-old family-owned company operates 15 locations worldwide with more than 200 engineers; in Germany, Greene Tweed operates a sales office in Hofheim am Taunus.
- Site
- Hofheim am Taunus
- Processes
- O-Rings & Backup Rings (manufacturing), T-Seals, Rotary Seals, Scraper & Wiper Solutions, Rod & Piston Seals, Metal Spring Energized (MSE) Seals, V-Rings, Electrical Connectors (Single-Pin, Multi-Pin, Coax, KTK-Style, Rotatable, Contact Blocks,
- Materials
- Chemraz FFKM, Chemraz 541, Chemraz 555, Chemraz 694, Chemraz G57, Chemraz 526, Chemraz 678, Chemraz 600
- Certificates
- ISO 9001:2015, AS9100 Rev D, ISO/IEC 17025:2017, NADCAP (Elastomer Seals), ISO 9001, EN 9100 / AS9100, ISO/IEC 17025, NADCAP
- Employees
- 15 locations worldwi
- Industries
- Aerospace, Chemical Processing, Energy, Defense, Semiconductor, Space
- 01
Material development (elastomers, thermoplastics, composites)
- 02
Engineering & prototyping
- 03
Manufacturing (seals, injection-molded parts, composite components, connectors)
- 04
Fiber optic assembly
- 05
Testing & quality assurance
- 06
Assembly & delivery
Materials & Material Systems
Chemraz FFKM
Perfluoroelastomer for chemically aggressive and thermally extreme sealing applications.
Fusion FKM
Fluoroelastomer series (including F07, 938, 944) with RGD and fluid aging certifications for oil, gas and CCUS applications.
Fluoraz FEPM
Elastomer for energy and semiconductor applications.
Xyfluor Fluorinated Elastomer
Fluorinated elastomer for aerospace, defense, energy, industrial and semiconductor applications.
Arlon PEEK
PEEK high-performance thermoplastic (including 3000XT, 4020) for connectors and labyrinth seals up to 260-300 °C.
Avalon Fluoropolymers
Fluoropolymer family for chemically stressed components.
ONX 600
Ultrapure, carbon fiber-reinforced fluoropolymer composite for wafer cleaning equipment up to 260 °C.
Xycomp DLF
High-performance composite for structural aircraft components with weight savings.
AR/WR wear-resistant composites
Abrasion- and wear-resistant thermoplastics for pump and compressor components.
Orthtek
Material system for life sciences and medical devices.
Components & Products
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| O-Rings & Backup Rings (manufacturing)Plastics | – | – | – | – | Chemraz FFKM, Fusion FKM, Fluoraz FEPM |
| T-SealsPlastics | – | – | – | – | Chemraz FFKM, Fusion FKM |
| Rotary SealsPlastics | – | – | – | – | – |
| Scraper & Wiper SolutionsPlastics | – | – | – | – | – |
| Rod & Piston SealsPlastics | – | – | – | – | – |
| Metal Spring Energized (MSE) SealsPlastics | – | – | – | – | – |
| V-RingsPlastics | – | – | – | – | – |
| Electrical Connectors (Single-Pin, Multi-Pin, Coax, KTK-Style, Rotatable, Contact Blocks,Assembly | – | – | – | – | Arlon 3000XT |
| Structural Components (Brackets, Housings, Fire Protection Covers)Plastics | – | – | – | – | Xycomp DLF, Arlon PEEK |
| Pump and Compressor Wear Parts (Labyrinth Seals, Wearings)Plastics | – | – | – | – | Arlon 4020 PEEK, WR, AR |
| Wafer Handling & Cleaning ComponentsPlastics | – | – | – | – | ONX 600 |
| Fireproof Hydraulic Seal (FPH Seal)Plastics | – | – | – | – | Chemraz FFKM, Thermoplastic |
| Testing: Mechanical Materials Testing (Plastics, Elastomers, Composites, PTFE)Testing | – | – | – | – | PTFE |
| Picking/Processing of Elastomer Seal Rings and O-Ring Cord (Nadcap accredited)Plastics | – | – | – | – | – |
Additional services
Reference customers
Quality & Certifications
The locations are certified to ISO 9001:2015; aerospace manufacturing sites (Houston, Kulpsville, UK/France/Germany) hold EN 9100/AS9100. Kulpsville has an A2LA-accredited testing laboratory (ISO/IEC 17025) as well as Nadcap accreditations for elastomer seals and materials testing.
| Evidence | Kulpsville, PA | Houston, TX | Nottingham |
|---|---|---|---|
| ISO 9001 | |||
| EN 9100 / AS9100 | |||
| ISO/IEC 17025 | |||
| NADCAP |
History
- 160 Jahre
Long-standing company tradition as a family-run manufacturer of sealing and material solutions