Resources Instructional Books & Manuals Instructional Books & Manuals



Advanced environmental protection – the ZETRIX way!

Triple offset butterfly valve meets the stringent requirements of TA-Luft and ISO 15848 -
Dipl.Ing. Michael Vullhorst


Operational Behaviour of Safety Valves with Constant Superimposed Backpressure

When selecting spring loaded safety valves, an accurate knowledge and consideration of the specific operating conditions are vital to ensure that these devices work reliably - Dipl-Ing. (FH) Arne Gastberg


Water hammer in valves

Solutions to improve stability - Dipl.-Ing Erhard Stork


Back pressure safety valves

When dimensioning and selecting safety valves for vessels and installations, it is important that this fitting should not be considered as being separate from its supply and blow-off pipes - Dipl.-Ing Erhard Stork