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Owner of data set Vexve Denmark | Frese A/S |
Technical purpose Product description:
The Frese control and balancing valve range is a family of hydronic products that keep water-based heating and cooling systems stable, energy efficient and easy to operate in all types of applications. The group includes pressure independent control valves, 6-way PICVs for change-over applications, prefabricated bypass units, dynamic flow limiting valves, differential pressure control valves and manual balancing valves. Together, they regulate flow, keep differential pressure within a defined range and allow accurate balancing of branches and terminal units, so that every coil, fan coil or air handling unit receives exactly the flow it needs under changing load conditions.
The products are designed for closed water and water/glycol HVAC systems and are installed in risers, branches and at terminals in both constant and variable flow networks. Pressure independent control valves combine control and automatic flow limitation in one body and can be equipped with electronic actuators for room or building management system control. 6-way PICVs provide heating and cooling change-over control to one terminal unit using a single valve and actuator, reducing component count
and simplifying pipework. Bypass units integrate isolating valves, measuring points and connections for PICVs or flow limiting valves in compact assemblies to speed up installation and commissioning.
Dynamic flow limiting valves and differential pressure control valves stabilize the hydraulic conditions in zones and branches, while manual balancing valves and metering stations are used for fine tuning and documentation of flows during commissioning and service. The valves are mainly metallic bodies with elastomer and polymer sealing elements and, for motorized versions, electronic actuators with housing in metal and plastic. In this EPD the entire group is treated as one product family representing typical material composition, function and service conditions for modern hydronic control and balancing valves. The environmental impacts of the actuator itself are not included in this EPD.
Product application:
Find the “Application Guide on the frontpage on our website: www.frese.eu.
Technical Characteristics:
Dimension: DN15-DN50
Pressure class: PN16 and PN25
Product standards:
Find “Certificates and Declarations of Conformity on our website, under “Technical info @ www.frese.eu.
Physical properties of the product:
The valves in this group primarily consist of Brass which ranges from 85% - 95%. Other parts of the valves consist of rubber parts made of EPDM or HNBR and plastic parts made of generic components such as ABS, PPS, PA6 and SEPS. |
