ESBE ARA600 Series Actuators for VRG130 Valves Instruction Manual
- June 4, 2024
- ESBE
Table of Contents
ARA600 Series Actuators for VRG130 Valves
Instruction Manual
“We would like to pinpoint to the existence of a German patent DE 19821256C5 affecting the usage of bivalent 4-way valves in liquid circulation heating systems. In this patent, the usage of a 4-way bivalent valve in a type of heating system is protected, in which 2 different heating circuits are operated in parallel, where the return of the first circuit is utilized as a heat source for the parallel second heat circuit. A typical application would be a primary heat circuit with a heat source and a parallel floor heating, where the floor heating in a regulated manner is heated through its heat source and the return from the primary heat circuit is utilized as an alternative secondary heat source for the floor heating. Such utilization of our bivalent 4-way valve without the approval of the patent holder is forbidden. All other applications our product group VRB are without restrictions possible.”
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Mtrl.nr. 9814 02 75• Ritn.nr. 8081 Vers.K• Rev. 2021–12–01
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