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Danfoss completes R32 component portfolio

DENMARK: Danfoss has added a complete portfolio of components to help OEMs develop air conditioning systems with R32.

In response to a global shift away from R410A and R22, Danfoss has announced a full range of components that enable OEMs to design R32 systems up to 700kW/260TR.

The portfolio includes DSF fixed-speed scroll compressors with IDVs and micro plate heat exchangers (MPHE-Z) optimized for R32. A full range of both products will be available by the end of this year.

Also available are micro channel heat exchangers (MCHE) adapted for R32 and Colibri electronic expansion valve (ETS C), TGE and TR6 expansion valves for US residential units. System protectors and line components such as NRV check valves, GBC ball valves, STF 4 way valves, EVR v2 solenoid valves, ACB switches and DST P110 sensors, DML and DCL for residential and DCRE filter driers for larger air conditioning units, SG sight glasses, are also all qualified for R32. 

Compatibility is said to have been checked with every raw material and connections over 25mm. All are validated according to PED category II, except for the EVR v2, and with US approval.

Danfoss points out that its scroll design enables OEMs to take full advantage of R32’s thermodynamic properties, with +10% volumetric capacity for a same compressor size. It also mitigates the impact of high discharge gas temperature, without the need for costly liquid or vapour injection—a significant applied cost benefit – and enables a wide operating map, suitable for use in reversible systems.

And like Danfoss’s DSH multi-refrigerant range, the DSF compressor range is equipped with intermediate discharge valve (IDV) technology to meet the latest seasonal efficiency requirements. 

“Around the world, air conditioning OEMs are switching away from R410A. By adding a new R32 range of products on top of our existing multi-refrigerant R410A/R452B/R454B portfolio, we’re committed to providing the broadest range of options to our customers,” said Danfoss Cooling, AC segment marketing director Matthieu Stoll.

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