STB GmbH produces mechanical seals and special seals for pumps, compressors, blowers, compressors and turbines, among others. They have developed mechanical seals from 12 mm to 650 mm shaft diameter. Primarily STB process carbon and chromium oxide, but are also able to process tungsten and silicon carbide.

Types of Mechanical Seals:

• Standard cartridge seals
• Single-acting ecoSiron™
• Double-acting proSiron™