A diaphragm seal system in a vacuum process must master a major challenge – it must deliver a reliable measuring result, even when the pressure drops and the temperature rises at the same time. The example of a chemical company producing phthalic anhydride (PA) shows …
Chemical
Flame arrester protects sewage vacuum truck tanks
Jing Lyu | ApplicationsA pre-volume deflagration flame arrester or – simplified – a flame arrester prevents flame transmission, through a measuring instrument, into a zone 0 (gas) hazardous area. This protective function, therefore, plays an important role, especially in process …
How do diaphragm seals work?
Jennifer Breunig | PressureDiaphragm seals, also known as chemical seals or remote seals, are used for pressure measurements when the process medium should not come into contact with the pressurised parts of the measuring instrument. A diaphragm seal has two primary tasks: 1. Separation of …