As producer of mechanical seals we naturally offer product specific OEM-Replacement seals. Mechanical seals for turbines, bellows, pumps, compressors and compactors belong to our product range. In the process we pay attention on highest quality form design to delivery. Automated production processes allow us to have a high availability and fast reaction times.

STB GmbH offers replacement seals for the following OEM systems:

Blackmer TX

The mechanical component seal BC-01 has been designed for the Blackmer TX series, which is, mainly used in sliding vane pumps and can be, depending on it demand and its usage produced in different materials to enable ideal working conditions.

Blackmer NP

The Blackmer NP series has a special design to promote clean non-corrosive fluids. For the Blackmer pumps designed a Cartridge mechanical seal BMS-02 which is used for sliding vane pumps (example: refueling systems). There can be manufactured with produced in different materials to enable ideal working conditions.

Plunger pumps Tartarus Kit

STB GmbH has developed a Plunger Seal Replacement Kit (Tartarus) specifically for this application with different material combinations. The Plunger Seal Kit Tartarus consists of 2 special sealing rings (spring ring and cover ring) and several packing rings, which vary in their way. In order to ensure a thickness differently operating conditions.

Slurry pump Goulds 5500

STB developed the replacement seal S230 for the heavy duty slurry pump Goulds Model 5500. This seal is capable of working under the toughest conditions and ensure a stabile operation for low cost.


Salomix SL/ST agitaors can be equipped with the STB OEM replacement seal PuplerMex. Since even small downtimes in the pulp and paper industry are associated with losses for its operating company, STB offers high availability witch leads to fast response times.

Screw spindle pump S-VSA

The replacement mechanical seal S130 is suited for the S-VSB 120, S-VSA 150 and S-VSA 330 screw spindle pump. This mechanical seal is an economic and highly available solution for the screw vacuum pump to replace the standard metal bellow seal.

Contact us!

Your matching replacement seal is not listed? Our construction and design team will gladly work something out with you to create a special product for your needs.