{"product_id":"spring-check-valve-dnova-402a-psi232-body-material-cast-iron-ggg50-flanged","title":"Spring check valve DNOVA 402A 16 bar body material - cast iron GGG50, flanged","description":"\u003cp\u003e\u003cspan\u003eSpring check valves are designed to prevent changes in the direction of flow of the working medium in the pipeline in the opposite direction. Operating principle: blocking the reverse flow of the medium is done by pressing the soft seal of the valve shutter to its seat under the action of a spring and the pressure of the reverse flow. The valve is opened by a pressure difference in the flow of the medium in the desired direction, while the valve shutter moves, compressing the spring.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eWeight and dimensional parameters of check valves DNOVA 402A 16 bar body material - cast iron GGG50, flanged\u003c\/span\u003e\u003c\/h4\u003e\n\u003ctable border=\"1px\" cellpadding=\"0\" cellspacing=\"0\" class=\"table_materials_karto4ka\" style=\"width: 144.299%; height: 197px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e\u003cstrong\u003eDN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e\u003cstrong\u003eL\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e\u003cstrong\u003eD\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e\u003cstrong\u003eD1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.325%; height: 19.6px;\"\u003e\u003cstrong\u003eD2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 20.0764%; height: 19.6px;\"\u003e\u003cstrong\u003eb - f\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 17.2337%; height: 19.6px;\"\u003e\u003cstrong\u003eZ - Ød\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 15.99%; height: 19.6px;\"\u003e\u003cstrong\u003eWeight, kg\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e50\u003c\/td\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e150\u003c\/td\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e165\u003c\/td\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e125\u003c\/td\u003e\n\u003ctd style=\"width: 13.325%; height: 19.6px;\"\u003e100\u003c\/td\u003e\n\u003ctd style=\"width: 20.0764%; height: 19.6px;\"\u003e19 - 3\u003c\/td\u003e\n\u003ctd style=\"width: 17.2337%; height: 19.6px;\"\u003e4 – Ø19\u003c\/td\u003e\n\u003ctd style=\"width: 15.99%; height: 19.6px;\"\u003e6.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e65\u003c\/td\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e170\u003c\/td\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e185\u003c\/td\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e145\u003c\/td\u003e\n\u003ctd style=\"width: 13.325%; height: 19.6px;\"\u003e120\u003c\/td\u003e\n\u003ctd style=\"width: 20.0764%; height: 19.6px;\"\u003e19 - 3\u003c\/td\u003e\n\u003ctd style=\"width: 17.2337%; height: 19.6px;\"\u003e4 – Ø19\u003c\/td\u003e\n\u003ctd style=\"width: 15.99%; height: 19.6px;\"\u003e8.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e80\u003c\/td\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e180\u003c\/td\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e200\u003c\/td\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e160\u003c\/td\u003e\n\u003ctd style=\"width: 13.325%; height: 19.6px;\"\u003e135\u003c\/td\u003e\n\u003ctd style=\"width: 20.0764%; height: 19.6px;\"\u003e19 - 3\u003c\/td\u003e\n\u003ctd style=\"width: 17.2337%; height: 19.6px;\"\u003e8 – Ø19\u003c\/td\u003e\n\u003ctd style=\"width: 15.99%; height: 19.6px;\"\u003e11.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e100\u003c\/td\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e190\u003c\/td\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e220\u003c\/td\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e180\u003c\/td\u003e\n\u003ctd style=\"width: 13.325%; height: 19.6px;\"\u003e155\u003c\/td\u003e\n\u003ctd style=\"width: 20.0764%; height: 19.6px;\"\u003e21 - 3\u003c\/td\u003e\n\u003ctd style=\"width: 17.2337%; height: 19.6px;\"\u003e8 – Ø19\u003c\/td\u003e\n\u003ctd style=\"width: 15.99%; height: 19.6px;\"\u003e15.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e125\u003c\/td\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e200\u003c\/td\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e250\u003c\/td\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e210\u003c\/td\u003e\n\u003ctd style=\"width: 13.325%; height: 19.6px;\"\u003e185\u003c\/td\u003e\n\u003ctd style=\"width: 20.0764%; height: 19.6px;\"\u003e22 - 3\u003c\/td\u003e\n\u003ctd style=\"width: 17.2337%; height: 19.6px;\"\u003e8 – Ø19\u003c\/td\u003e\n\u003ctd style=\"width: 15.99%; height: 19.6px;\"\u003e22.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e150\u003c\/td\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e210\u003c\/td\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e285\u003c\/td\u003e\n\u003ctd style=\"width: 8.35036%; height: 19.6px;\"\u003e240\u003c\/td\u003e\n\u003ctd style=\"width: 13.325%; height: 19.6px;\"\u003e210\u003c\/td\u003e\n\u003ctd style=\"width: 20.0764%; height: 19.6px;\"\u003e22 - 3\u003c\/td\u003e\n\u003ctd style=\"width: 17.2337%; height: 19.6px;\"\u003e8 – Ø23\u003c\/td\u003e\n\u003ctd style=\"width: 15.99%; height: 19.6px;\"\u003e31.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0878\/3603\/3359\/files\/402a-gabarity_result.jpg?v=1737553269\"\u003e\u003c\/div\u003e\n\u003cp\u003eSketch overall and installation dimensions of check valves DNOVA 402A 16 bar body material - cast iron GGG50, flanged\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eMaterials of check valve parts DNOVA 402A 16 bar body material - cast iron GGG50, flanged\u003c\/h4\u003e\n\u003ctable border=\"1px\" cellpadding=\"0\" cellspacing=\"0\" class=\"table_materials_karto4ka\" style=\"width: 99.9262%; height: 156.8px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 7.15867%; height: 19.6px;\"\u003e\u003cstrong\u003e№\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.0013%; height: 19.6px;\"\u003e\u003cstrong\u003eName\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 33.3395%; height: 19.6px;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 7.15867%; height: 19.6px;\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"width: 58.0013%; height: 19.6px;\"\u003eCase\u003c\/td\u003e\n\u003ctd style=\"width: 33.3395%; height: 19.6px;\"\u003ecast iron GGG40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 7.15867%; height: 19.6px;\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"width: 58.0013%; height: 19.6px;\"\u003eDisk\u003c\/td\u003e\n\u003ctd style=\"width: 33.3395%; height: 19.6px;\"\u003ecast iron GGG40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 7.15867%; height: 19.6px;\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"width: 58.0013%; height: 19.6px;\"\u003eSealing\u003c\/td\u003e\n\u003ctd style=\"width: 33.3395%; height: 19.6px;\"\u003eNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 7.15867%; height: 19.6px;\"\u003e4\u003c\/td\u003e\n\u003ctd style=\"width: 58.0013%; height: 19.6px;\"\u003eStem\u003c\/td\u003e\n\u003ctd style=\"width: 33.3395%; height: 19.6px;\"\u003ecast iron GGG40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 7.15867%; height: 19.6px;\"\u003e5\u003c\/td\u003e\n\u003ctd style=\"width: 58.0013%; height: 19.6px;\"\u003eGasket\u003c\/td\u003e\n\u003ctd style=\"width: 33.3395%; height: 19.6px;\"\u003eNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 7.15867%; height: 19.6px;\"\u003e6\u003c\/td\u003e\n\u003ctd style=\"width: 58.0013%; height: 19.6px;\"\u003eSpring\u003c\/td\u003e\n\u003ctd style=\"width: 33.3395%; height: 19.6px;\"\u003esteel SS304\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 7.15867%; height: 19.6px;\"\u003e7\u003c\/td\u003e\n\u003ctd style=\"width: 58.0013%; height: 19.6px;\"\u003eGuide bushing\u003c\/td\u003e\n\u003ctd style=\"width: 33.3395%; height: 19.6px;\"\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0878\/3603\/3359\/files\/402a-materialy_result.jpg?v=1737553466\"\u003e\u003c\/p\u003e\n\u003cp\u003eCheck valves detail DNOVA 402A 16 bar body material - cast iron GGG50, flanged\u003c\/p\u003e","brand":"DNOVA","offers":[{"title":"DN50 \/ 16 bar","offer_id":54562301706588,"sku":"D100-03694","price":22.85,"currency_code":"USD","in_stock":true},{"title":"DN65 \/ 16 bar","offer_id":54562301739356,"sku":"D100-03695","price":30.27,"currency_code":"USD","in_stock":true},{"title":"DN80 \/ 16 bar","offer_id":54562301772124,"sku":"D100-03696","price":34.29,"currency_code":"USD","in_stock":true},{"title":"DN100 \/ 16 bar","offer_id":54562301804892,"sku":"D100-03697","price":42.52,"currency_code":"USD","in_stock":true},{"title":"DN125 \/ 16 bar","offer_id":54562301837660,"sku":"D100-03698","price":56.65,"currency_code":"USD","in_stock":true},{"title":"DN150 \/ 16 bar","offer_id":54562301870428,"sku":"D100-03699","price":73.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/6962\/0316\/files\/klapan_obratnyi_flantcevyi_pruzhinnyi_dn_ru_402a_dn50_1_7991b41b-1505-4c4c-84a7-103526d1a1f5.jpg?v=1747727122","url":"https:\/\/dnova.pro\/products\/spring-check-valve-dnova-402a-psi232-body-material-cast-iron-ggg50-flanged","provider":"DNOVA","version":"1.0","type":"link"}