Our semi-welded plate heat exchangers are optimized for industrial applications and include extensive improvements in professional refrigeration. The semi-welded plate heat exchangers from Danfoss is designed for natural refrigerant applications and can be used for applications such as Condensers, flooded and pumped evaporators, Sub-coolers, Desuperheaters, Superheaters, Economizers and Oil coolers. The product range includes the sizes SW19-SW59, with more to come, and can handle temperatures ranging from -40°C up to 150°C (-40°F up to 302°F) and pressure ranges up to 40 bar (300 psi).