{"id":5554,"date":"2023-07-05T17:27:44","date_gmt":"2023-07-05T15:27:44","guid":{"rendered":"https:\/\/lubeteam.it\/prodotto\/thermal-control-couplings-cejn\/"},"modified":"2025-11-14T11:54:20","modified_gmt":"2025-11-14T10:54:20","slug":"thermal-control-couplings-cejn","status":"publish","type":"product","link":"https:\/\/lubeteam.it\/en\/product\/thermal-control-couplings-cejn\/","title":{"rendered":"Thermal Control Couplings Cejn"},"content":{"rendered":"

Thermal Control Couplings Cejn<\/h2>\n

Cejn Thermal Control Couplings<\/strong> are quick couplings specifically designed for liquid cooling systems used in power electronics, data centers, medical imaging, digital transmitters, industrial electric vehicles, and other thermally critical applications. The products deliver high performance through an optimized flow capacity<\/strong>, low pressure drop<\/strong>, and dry-break couplings<\/strong> to prevent leakage during disconnection.<\/p>\n

General Features<\/h3>\n

The entire range is designed for low-pressure applications (up to 20 bar) and includes valved (double shut-off)<\/strong> and valveless<\/strong> configurations. The flat-face design of the ultraFLOW and Non-Drip models allows clean, drip-free connections, helping protect sensitive electronic components. All couplings are leak- and function-tested.<\/p>\n

Materials and Seals<\/h3>\n

Construction materials include:<\/p>\n

    \n
  • \n

    Hard anodized aluminum<\/strong> for lightweight and mechanical strength (series 287\u2013787)<\/p>\n<\/li>\n

  • \n

    Stainless steel AISI 316 \/ 316L (EN 1.4404)<\/strong> for corrosion resistance and compatibility with deionized water (series 288, 588, 788, 277\u2013777)<\/p>\n<\/li>\n

  • \n

    Nickel-plated brass<\/strong> for reliability and compactness (series 267\u2013767, 701\u2013921)<\/p>\n<\/li>\n<\/ul>\n

    Seals are available in:<\/p>\n

      \n
    • \n

      EPDM<\/strong>, suitable for glycol and water<\/p>\n<\/li>\n

    • \n

      FPM (Viton\u00ae)<\/strong>, for increased chemical compatibility<\/p>\n<\/li>\n

    • \n

      Fluorosilicone<\/strong>, for critical or low-temperature applications<\/p>\n<\/li>\n

    • \n

      NBR<\/strong>, used in specific models such as DLC DN5\/DN3 for vibration-prone environments<\/p>\n<\/li>\n<\/ul>\n

      Flow Rates, Diameters and Pressure<\/h3>\n

      Flow values range from Kv 0.39 (Cv 0.45)<\/strong> in the DN 4.0 mm series up to Kv 15.7 (Cv 18.2)<\/strong> in the DN 20 mm series. The maximum operating pressure<\/strong> is 10 bar<\/strong> for ultraFLOW and Blind-Mate series, and up to 20 bar<\/strong> for Non-Drip and Full-Flow versions.<\/p>\n

      Examples:<\/p>\n

        \n
      • \n

        Series 267 (brass, DN 4.0 mm): Kv 0.39 \u2013 Max 20 bar<\/p>\n<\/li>\n

      • \n

        Series 787 (aluminum, DN 20 mm): Kv 15.7 \u2013 Max 10 bar<\/p>\n<\/li>\n

      • \n

        Series 677 (stainless steel, DN 14 mm): Kv 5.87 \u2013 Max 20 bar<\/p>\n<\/li>\n

      • \n

        Series 702 (stainless steel, DN 25 mm, valveless): Max 20 bar<\/p>\n<\/li>\n<\/ul>\n

        Available Series<\/h3>\n

        UltraFLOW<\/strong> \u2013 Flat-face valved series (DN 5\u201320 mm). Made from aluminum or stainless steel. Available with EPDM or Fluorosilicone seals. High flow rates, leak-free connections.
        Non-Drip<\/strong> \u2013 Low-pressure valved couplings (DN 4\u201319 mm), with nickel-plated brass or stainless steel body. Compact design and optional key coding to prevent mismatching.
        Full-Flow<\/strong> \u2013 Valveless couplings with completely unrestricted flow<\/strong>. Made from nickel-plated or polished stainless steel. Diameters up to DN 51 mm. Available with color-coded rings and safety lock options.
        Blind-Mate (Auto-Coupling)<\/strong> \u2013 Automatic rack-mount couplings, with self-aligning connection<\/strong>. Available in DLC DN5 (aluminum) and DN3 (stainless steel) versions, with NBR seals. Suitable for pressurized connect\/disconnect, vibration resistance, and industrial environments.<\/p>\n

        Documented Applications<\/h3>\n

        All couplings are optimized for integration in:<\/p>\n

          \n
        • \n

          Liquid cooling systems for power electronics<\/strong><\/p>\n<\/li>\n

        • \n

          Data centers<\/strong> using DLC (Direct Liquid Cooling)<\/p>\n<\/li>\n

        • \n

          Medical equipment, digital transmission<\/strong>, renewable energy<\/strong>, radar<\/strong>, transportation<\/strong>, and industrial electric vehicles<\/strong><\/p>\n<\/li>\n<\/ul>\n

          CEJN solutions cover the entire range of thermal requirements with proven performance in critical environments, ensuring compatibility with fluids such as: glycol-water<\/strong>, dielectric fluids<\/strong>, deionized water<\/strong>, and mineral and synthetic heat transfer oils<\/strong>.<\/p>\n

          \n

          Technical Summary Table of Main Features \u2013 Cejn Thermal Control Couplings<\/strong><\/h3>\n
          \n\n\n\n\n\n\n\n\n\n\n\n
          Series<\/th>\nMaterial<\/th>\nDN (mm)<\/th>\nFlow Rate Kv (Cv)<\/th>\nMax Pressure (bar)<\/th>\nSeals<\/th>\nFeatures<\/th>\n<\/tr>\n<\/thead>\n
          Series 787<\/td>\nAnodized aluminum<\/td>\n20<\/td>\n15.7 (18.2)<\/td>\n10<\/td>\nEPDM \/ Fluorosilicone<\/td>\nFlat-face, dry-break<\/td>\n<\/tr>\n
          Series 788<\/td>\nStainless steel AISI 316L<\/td>\n20<\/td>\n15.7 (18.2)<\/td>\n10<\/td>\nEPDM \/ Fluorosilicone<\/td>\nFlat-face, dry-break<\/td>\n<\/tr>\n
          Series 267<\/td>\nNickel-plated brass<\/td>\n4<\/td>\n0.39 (0.45)<\/td>\n20<\/td>\nEPDM<\/td>\nCompact dry-break<\/td>\n<\/tr>\n
          Series 677<\/td>\nStainless steel AISI 316<\/td>\n14<\/td>\n5.87 (6.78)<\/td>\n20<\/td>\nEPDM<\/td>\nDouble shut-off<\/td>\n<\/tr>\n
          Series 702<\/td>\nPolished stainless steel<\/td>\n25<\/td>\n<\/td>\n20<\/td>\n<\/td>\nValveless, full flow<\/td>\n<\/tr>\n
          DLC DN5<\/td>\nTreated aluminum<\/td>\n5<\/td>\n<\/td>\n10<\/td>\nNBR<\/td>\nAuto-coupling, dry-break<\/td>\n<\/tr>\n
          DLC DN3<\/td>\nStainless steel AISI 316<\/td>\n3<\/td>\n<\/td>\n16<\/td>\nNBR<\/td>\nAuto-coupling, vibration-resistant<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

          Quick couplings for thermal control with dry-break design, flat-face, and integrated valve. Available in brass, stainless steel, and anodized aluminum. Nominal diameters from DN 3 to DN 25 mm, maximum pressure up to 20 bar. Low pressure drop and high flow up to Kv 15.7. Cejn Thermal Control Couplings<\/strong> ensure reliability in critical liquid cooling applications for electronics and industry.<\/p>\n","protected":false},"featured_media":5521,"template":"","meta":[],"product_brand":[],"product_cat":[108],"product_tag":[262],"class_list":{"0":"post-5554","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-quick-coupling-cejn","7":"product_tag-cejn","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"yoast_head":"\nThermal Control Couplings Cejn - LTH - LubeTeam Hydraulic<\/title>\n<meta name=\"description\" content=\"Cejn Thermal Control Couplings with dry-break valve, high flow, and durable materials. 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