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Semi Welded Plate Heat Exchanger - China

price: check with company for price

Semi-welded plate heat exchanger consists of a series of cassettes-plate pairs, 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.
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. Technical advantages 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.

Main parameters
*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.

Semi-welded PHE Material
Channel plates
SS304, SS304L, SS316, SS316L, SS317L, SS321, 254SMO, Titanium, N200/201, Hastelloy C-276, Hastelloy C-2000, Hastelloy G-30, 904L.

Gasket material EPDM, Nitrile, Chloroprene, Fluororubber

Other materials suitable for special working conditions are available as required.


Company Contact:


  • Phone: 86-532-82661679

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

  • Email: Email


Published date: December 21, 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:
    1. Precison casting parts,
    2. Forging parts,
    3. CNC machining parts,
    4. Die casting parts,
    5. Powder metallurgy parts,
    6. Punching/stamping parts
    heat exchangers:
    1. Gasketed plate heat exchanger,
    2. Brazed plate heat exchanger,
    3. Semi-welded plate heat exchanger,
    4. Fully welded plate heat exchanger,
    5. Plate & shell heat exchanger,
    6. Plate & frame heat exchanger,
    7. Tube & shell heat exchanger
    and various rigging hardwares.

    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) Practical and cost-efficient heat exchangers are designed individually to your applications. There are also hundreds of types of plates and gaskets for customers’ choices.

    Machinery Parts
    .More than 20 years’ manufacturing experience
    .Newly expanded factory covering 35,000 m2, with advanced facilities and 1000 staff members
    .OEM and customized services offered
    .20 R&D members and specilists who have professional experience in the industry.

    Rigging Hardware
    .We have our own factory for ratchet tie down and slings.
    .Standing partnership with about 200 suppliers
    .Full range of products for your one-stop purchasing

    Gasketed plate heat exchanger
    .Individually designed
    .ASME Certificated
    .According to working conditions, we also provide semi-welded, fully welded, and tube & shell heat exchanger.
    .Hundreds of types of plates and gaskets for customers’ choices

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