Silicon Carbide Heat Exchanger, PTFE Lined
  • Silicon Carbide Heat Exchanger, PTFE Lined
  • Silicon Carbide Heat Exchanger, PTFE Lined

    • Silicon Carbide Heat Exchanger, PTFE Lined

    Our PTFE lined silicon carbide heat exchanger is a shell & tube heat exchanger with PTFE lining. The heat exchanger is made of corrosion-resistant tube plates and silicon carbide (SiC) tubes, with the capability to handle highly corrosive chemicals in various heating, cooling, and condensation applications for chemical and pharmaceutical industries. Thanks to the usage of PTFE lining that can resist many corrosive chemicals under extreme operating conditions, this shell & tube heat exchanger is the perfect option for the chemical and pharmaceutical industries, delivering long-term reliability and guaranteed longevity.

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    Typical Applications
    • Bromine, Sulfuric Acid, Hydrofluoric Acid, Nitric Acid, Hydrochloric Acid, etc.;
    • Alkalis;
    • Halogenated Compounds;
    • Salt Solutions;
    • Organic Compounds;
    Technical Data
    • Each tube is subjected to test at pressure of 185 Bar before installation;
    • Shell diameter range: DN100 to DN1000;
    • Standard length of tube: 1000 to 4000mm;
    • Heat exchange area: 1 to 200m2;
    • Tube diameter: 14mm, 19mm;
    • Horizontal or vertical installation;
    • Temperature range: -19°C to 230°C;
    • Pressure range: -0.1MPa to 1.0MPa;
    • CE, ATEX, FDA compliant
    Comparison Chart of Thermal Conductivity
    Silicon Carbide Heat Exchanger, PTFE Lined

    Given comprehensive test data and several actual application cases, PTFE lined heat exchanger is the optimal of existing SiC heat exchangers regarding all aspects of reliability, stability, thermal resistance, pressure withstand, and usage range.

    Silicon carbide corrosion performance
    Testing Environment
    Conc.Reagent
    Corrosive Weight Loss    		 (mg/cm2yr)
    (Wt%) Temperature
    (C)    		 Pressureless-sintered Silicon Carbide **
    No Free SiC)**    		 Reaction-bonded Silicon Carbide
    12% SiC)
    98% H2SO4 100 1.8 55
    50% NaOH 100 2.6 >1000
    53% HF 25 < 0.2 7.9
    85% H3PO4 100 < 0.2 8.8
    70% HNO3 100 < 0.2 0.5
    45% KOH 100 < 0.2 >1000
    25% HCI 70 < 0.2 0.9
    10% HF plus 57% HNO3 25 < 0.2 >1000
    Qianqiao produces every SiC heat exchanger with pressureless-sintered silicon carbide **
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