Semi-welded plate heat exchanger is this kind of heat
exchanger,whose plates are consist oftwo plates which is welded by
laser along the sealgroove, and the two plates are sealed by the
gasekts which clamped on the fxed plate and active plate through
superposition, The advantage oisemiwelded plate heat exchanger is
that one side is sealed by welding and the other siede is sealed by
gasket in order to clean easily, Meanwhilethere are two special
gaskets to seal the two corner pores in the welding side in order
to use the fewest seal gaskets.
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Application:Semi-welded plate heat exchanger takesthe place of
shell and tube heat exchanger andwelded plate heat exchanger, which
is applied forcooling and chemical processing, especially for
thesteam and condensate of refrigerant, such as ammonia and the
chemical processing of corrosive liquid.Semi-welded plate heat
exchangers are applied in thefollowing felds, such as ammonia
refrigeration, sulfu-ric acid, caustic soda, petrochemical
industry, metal-lurgy industry, mechanical industry, pharmacy
indus-try and food industry and so on.