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  • Semi Welded Heat Exchanger - China

    price: contact company for price

    Why semi-welded type?
    Gasketed plate heat exchanger reaches its limits when it comes to aggressive media for which the use of gaskets is not suitable. We provide semi-welded plate heat exchanger in this circumstance. It is widely used in the evaporation and condensation of ammonia and freon refrigerant, industrial evaporation and condensation, water-cooled oil cooler, and general cooling and heating of high temperature, high pressure and strong corrosive media in one channel.

    Our semi-welded plate heat exchanger adopts the world's most advanced laser welding machine and modern laser beam welding process. Compared with other welding methods, laser beam welding process has the advantages of little deformation after welding, high welding quality, and small stress. It is particularly suitable for high pressure and corrosive conditions.

    Technical data of our semi-welded heat exchanger
    . Pressure: Maximum design pressure is up to 30 bar.
    . Temperature: Maximum operating temperature is up to 200℃, minimum operating temperature is -40℃.
    . Corrosion: Resistant to most aggressive media.

    Plate material:
    304, 304L, 316, 316L, 317L, 321, 254SMO, Titanium, N200/201, Hastelloy C-276, Hastelloy C-2000, Hastelloy G-30, 904L.

    Plate thickness: 0.6mm, 0.7mm, 0.8mm
    Gasket material: EPDM, Nitrile, Chloroprene, Fluororubber

    Working principle
    Semi-welded plate heat exchanger consists of a series of cassettes, which formed by two plates laser welded together along the sealing groove. The aggressive medium flows inside the cassette, only in contact with a special designed ring gasket. Each cassette is fitted with a gasket. The other medium flows in the gasketed channels. Two media flow reversely in adjacent channels, between which heat transfer will take place.

    Two main parts: cassettes and frame.
    Cassette is the core component of semi-welded plate heat exchanger. The frame consists of fix frame plate, movable pressure plate, carrying bar, guide bar, and thread rods.
    Cassettes are assembled between a fixed frame and a movable pressure plate and compressed by tightening bolts.

    Company Contact:

    • Phone: 15853247953

    • Address: 1, Qutangxia Rd, Qingdao 266002, China, Qingdao, Shandong, China

    • Email: Email

    Published date: November 16, 2016 - Modified date: November 16, 2016

    • Business Description: Qingdao Hiwell Machinery has been in business since 1994 for over 20 years, accumulating sales revenue of $36 million annually. We mainly supply machinery parts, rigging hardware, and heat exchangers.
      1) Advanced machinery equipment to satisfy strict requirements for different machinery parts. Experienced engineers to improve drawing and process, saving customers’ cost at the most extent.
      2) Rigging hardware all in readiness for your one-stop purchasing.
      3) We have selection software to design practical and cost-efficient heat exchangers to your applications. There are also hundreds of types of plates and gaskets for customers’ choices.

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