{"id":14783,"date":"2026-10-02T02:53:43","date_gmt":"2026-10-02T02:53:43","guid":{"rendered":"https:\/\/anphuthanhvalve.com\/?post_type=product&p=14783"},"modified":"2026-10-02T03:01:09","modified_gmt":"2026-10-02T03:01:09","slug":"ydk-dual-plate-wafer-check-valve-model-kdc-16","status":"publish","type":"product","link":"https:\/\/anphuthanhvalve.com\/en\/ydk-dual-plate-wafer-check-valve-model-kdc-16\/","title":{"rendered":"YDK DUAL PLATE WAFER CHECK VALVE | MODEL: KDC-16"},"content":{"rendered":"

In water supply and drainage, fire protection (PCCC), and HVAC piping systems with limited installation space, the YDK dual plate check valve, Model KDC-16, is a top-tier solution. With its ultra-compact, lightweight wafer-type design, the valve uses two half-moon-shaped discs combined with fast-response springs. It closes instantly when the flow stops, effectively preventing backflow and eliminating water hammer to protect the pump.<\/p>\n

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The YDK dual plate check valve, Model KDC-16<\/figcaption><\/figure>\n

Construction of the YDK dual plate check valve, Model KDC-16<\/h2>\n

This valve has a fairly simple mechanical construction, consisting of 5 main parts:<\/p>\n

    \n
  1. Body:<\/strong> Made of cast iron, in a wafer design clamped between two pipe flanges. The short face-to-face length minimizes weight and saves installation space.<\/li>\n
  2. Disc:<\/strong> Made of stainless steel 304, cast as a double disc in the shape of two butterfly wings. It withstands mechanical impact well and offers high corrosion resistance in humid environments.<\/li>\n
  3. Stem (hinge pin):<\/strong> Made of stainless steel 420, acting as a hinge that fixes the rotation direction so that the two discs open and close smoothly.<\/li>\n
  4. Spring:<\/strong> Made of stainless steel, providing the compressive force that automatically closes the two discs as soon as the flow pressure drops to zero.<\/li>\n
  5. Seal ring:<\/strong> Made of rubber, molded directly into the bore of the valve body, ensuring absolute tightness when the two discs are closed.<\/li>\n<\/ol>\n

    Dimension table of the YDK dual plate check valve, Model KDC-16<\/h2>\n

    The table below provides the length, diameter, and disc radius data for sizes DN50 to DN700, to help engineers with quantity takeoff and shop drawings:<\/p>\n

    \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    DN<\/th>\nD (mm)<\/th>\nD1 (mm)<\/th>\nD2 (mm)<\/th>\nL (mm)<\/th>\nR (mm)<\/th>\nT (mm)<\/th>\n<\/tr>\n<\/thead>\n
    50<\/td>\n107<\/td>\n65<\/td>\n40<\/td>\n43<\/td>\n27<\/td>\n19<\/td>\n<\/tr>\n
    65<\/td>\n127<\/td>\n80<\/td>\n60<\/td>\n46<\/td>\n35<\/td>\n19.8<\/td>\n<\/tr>\n
    80<\/td>\n142<\/td>\n94<\/td>\n70<\/td>\n64<\/td>\n42<\/td>\n27.7<\/td>\n<\/tr>\n
    100<\/td>\n162<\/td>\n117<\/td>\n88<\/td>\n64<\/td>\n50<\/td>\n27.7<\/td>\n<\/tr>\n
    125<\/td>\n192<\/td>\n145<\/td>\n115<\/td>\n70<\/td>\n64<\/td>\n30.3<\/td>\n<\/tr>\n
    150<\/td>\n218<\/td>\n171<\/td>\n134<\/td>\n76<\/td>\n77<\/td>\n31.6<\/td>\n<\/tr>\n
    200<\/td>\n273<\/td>\n224<\/td>\n182<\/td>\n89<\/td>\n102.5<\/td>\n32.9<\/td>\n<\/tr>\n
    250<\/td>\n328<\/td>\n265<\/td>\n220<\/td>\n114<\/td>\n125<\/td>\n43.3<\/td>\n<\/tr>\n
    300<\/td>\n378<\/td>\n310<\/td>\n260<\/td>\n114<\/td>\n146<\/td>\n45.3<\/td>\n<\/tr>\n
    350<\/td>\n437<\/td>\n360<\/td>\n298<\/td>\n127<\/td>\n170<\/td>\n50.5<\/td>\n<\/tr>\n
    400<\/td>\n488<\/td>\n410<\/td>\n350<\/td>\n140<\/td>\n195<\/td>\n52.3<\/td>\n<\/tr>\n
    450<\/td>\n539<\/td>\n450<\/td>\n385<\/td>\n152<\/td>\n217<\/td>\n58.2<\/td>\n<\/tr>\n
    500<\/td>\n594<\/td>\n505<\/td>\n467.8<\/td>\n152<\/td>\n241<\/td>\n58.3<\/td>\n<\/tr>\n
    600<\/td>\n695<\/td>\n624.5<\/td>\n538<\/td>\n178<\/td>\n295.4<\/td>\n74.6<\/td>\n<\/tr>\n
    700<\/td>\n810<\/td>\n720<\/td>\n662<\/td>\n229<\/td>\n345<\/td>\n98<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

    Note: The specifications of YDK products in the catalogue may be changed by the manufacturer without prior notice.<\/em><\/p>\n