# I.S.T. Molchtechnik – The difference lies in the details
By Thomas Jarzomb on 04.11.2025
Article
For decades, **I.S.T. Molchtechnik** has stood for quality, durability and customized solutions in industrial pigging technology.
Our pigs are market leaders - thanks to their unique material composition, they last significantly longer than comparable products and ensure **optimal cleaning** with minimal residue.

In combination with an inner pipe surface in accordance with **DIN 2430**, our systems achieve **excellent pigging results**.
At the same time, our customers benefit from **low operating costs**, as I.S.T. valves can be serviced on site after brief training - without having to wait for technicians from abroad.

A comprehensive stock of spare parts, **short response times** and **customized customer solutions** make I.S.T. a reliable partner for companies of all sizes.
Our robust products are designed to last for decades - some systems have been running for over 40 years.

Well-known customers such as **Shell, Exxon, BASF** and **DOW** rely on I.S.T. because they value quality, service and investment security.
👉 Find out more at: [Unique selling points](https://piggingsystems.com/en/unique-selling-proposition)