SOLCUDI® TECHNOLOGY
Our patented solcudi® technology revolutionizes the sealing market not only for Duo Cone Seals and Floating Seals but also for Mechanical Seals in general. The solcudi® seals are customized and designed for its specific application requirements, such as heavy corrosion protection or similar needs. These seals have a special surface engineering, ensuring superior durability and performance.
Our innovative manufacturing processes are extremely efficient, reliable, and sustainable while optimizing precision. In particular, our developed finishing process provides unprecedented quality and performance. Unlike existing methods, our process generates no special waste.
- up to 100% higher wear resistance* leads to significant higher service life
- up to 250% higher rotation speed*
- up to 75% higher bending strength
- up to 25% reduced friction coefficient*
- >90% less use of critical raw materials (e.g. nickel)
- no corrosion on relevant surfaces
- excellent dry running properties
- superior elastomers with high temperature range (-40°C up to 150°C) and best oil compatibility
Our solcudi® PC75 seals are available in all sizes from Ø 100mm – Ø 1300mm (4″ – 52″). We can adjust the seals to the customer specific requirements and geometries. Solcudi® PC75 seals are our recommendation for a wide range of applications. Please contact us for more details. We will be happy to choose or design the ideal geometry for your application.
Our solcudi® HC75 seals use an advanced surface engineering process. These seals are designed for the most extreme conditions that existing premium cast iron seals cannot handle. They provide
- up to 300% higher wear resistance*
- up to 250% higher rotation speed*
- up to 75% higher bending strength
- >90% less use of critical raw materials (e.g. nickel)
- no corrosion on relevant surfaces
- excellent dry running properties
- superior elastomers with high temperature range (-40°C up to 150°C) and best oil compatibility
Our solcudi® HC75 seals are also available in all sizes from Ø 100mm – Ø 1300mm (4″ – 52″). We can adjust the seals to the customer specific requirements and geometries. These seals are our recommendation for all extreme demanding applications. Please contact us for more details. We will be happy to choose or design the ideal geometry for your application.
We also offer a range of other seals, functional coatings, and solutions, all tailored to meet our customers‘ specific needs. We are happy to discuss your unique challenges and provide the best solutions for your applications.
SEAL COMPARISON
The following table shows a rough comparison of the main characteristics of the current Duo Cone / Floating Seal / Face Seal technologies available on the market.
| steel seal | cast iron seal | solcudi® seal | |
|---|---|---|---|
| wear resistance | medium | medium-high | very high |
| rotation speed | low | medium | very high |
| cost structure | low | medium / high | medium |
| corrosion resistance | low | low | high |
| ductility | high | low | high |
The general technology groups have various variations (e.g., different material compositions), but the ratings above are valid for almost all variations. The ratings are made for seal sizes > Ø200 mm (8”). For smaller sizes AND low performance requirements, steel seals or cast iron (centrifugal casting) have a cost advantage.
Caterpillar Precison Seals, CPS, SAP Parts, Goetze Face Seals, Götze Laufwerkdichtungen, LWD
- Radial Shaft / Lip / Cassette Seals and similar seals
- Mechanical Seals
- Duo Cone / Floating Seals
- solcudi® Seals
Radial Shaft / Lip / Cassette Seals are the ideal and very cost-effective solution for sealing rotary elements that are not exposed to abrasive environment conditions. The sealing effect is generated with a sprung elastomer lip that has line contact with the shaft. These seals cannot be used in pressurized applications. Additional information can be found at Wikipedia.
Mechanical Seals are used in applications that are subject to more demanding operating conditions such as abrasion and/or high pressure. The sealing principle is based on two extremely flat machined surfaces that rotate relative to each other. The two surfaces are pressed against each other with a certain preload. The preload force is often generated from one half of the seal using a (complex) spring system. The seals are usually made of high-quality ceramics or hard metals produced using sintering technology. These high-quality materials are ideal for the application because they are very resistant to abrasion (wear) and adhesion (scoring). They are also corrosion-resistant. The only disadvantage are costs. Due to the spring system Mechanical Seals are quite complex. In additon the manufacturing process is expensive. In the small size range, the costs are acceptable, but they raise exponentially with increasing size.
However, these seals have some disadvantages, such as lower wear resistance and limited corrosion resistance. Additionally, the possible rotation speeds (maximum sliding speed) are limited. Steel seals can only be used for very slow sliding speeds (< 2 m/s), whereas chilled cast iron seals can be used with sliding speeds of up to 6 m/s.
The revolutionary solcudi® seals are designed to remedy these deficiencies of Duo Cone / Floating Seals. The applied high-quality surface engineering, which, like many technologies, has been used for many years in the aerospace industry, closes the gap to mechanical seals. This means that the solcudi seals can be used under similar operating conditions and achieve comparable outstanding performance at an extremely attractive cost level.