{"product_id":"swing-check-valve-dnova-302a-body-material-cast-iron-gg25-closure-element-material-stainless-steel-aisi-420-seal-stainless-steel","title":"Swing check valve DNOVA 302A, body material - cast iron GG25, closure element material - stainless steel AISI 420, seal - stainless steel","description":"\u003cp\u003e\u003cspan\u003e Check valve is a device in a pipeline that allows fluids or gases to flow in only one direction. When the pressure of the fluid or gas in the pipeline exceeds a certain value, the valve opens, allowing the substance to pass through. However, when the pressure drops or tries to move in the opposite direction, the valve closes, preventing backflow. Check valves are widely used in various industrial and commercial applications to ensure safety and control the flow in pipeline systems. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch4 style=\"padding-top: 15px;\"\u003e\u003c\/h4\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4 style=\"padding-top: 15px;\"\u003e\u003cspan style=\"font-size: 24px;\"\u003eDimensions of the check valve DNOVA 302A \u003c\/span\u003e\u003c\/h4\u003e\n\u003ctable border=\"0\" style=\"width: 109.007%;\" height=\"281\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 9.54029%;\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"width: 13.2883%;\"\u003eL, mm\u003c\/td\u003e\n\u003ctd style=\"width: 11.9254%;\"\u003eD, mm\u003c\/td\u003e\n\u003ctd style=\"width: 12.4364%;\"\u003eD1, mm\u003c\/td\u003e\n\u003ctd style=\"width: 11.2439%;\"\u003eD2, mm\u003c\/td\u003e\n\u003ctd style=\"width: 11.934%;\"\u003eB - f, mm\u003c\/td\u003e\n\u003ctd style=\"width: 13.1093%;\"\u003eZ - Ød\u003c\/td\u003e\n\u003ctd style=\"width: 14.1401%;\"\u003eWeight,kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 9.54029%;\"\u003e50\u003c\/td\u003e\n\u003ctd style=\"width: 13.2883%;\"\u003e200±2\u003c\/td\u003e\n\u003ctd style=\"width: 11.9254%;\"\u003e165\u003c\/td\u003e\n\u003ctd style=\"width: 12.4364%;\"\u003e125\u003c\/td\u003e\n\u003ctd style=\"width: 11.2439%;\"\u003e99\u003c\/td\u003e\n\u003ctd style=\"width: 11.934%;\"\u003e20-2\u003c\/td\u003e\n\u003ctd style=\"width: 13.1093%;\"\u003e4 – Ø19\u003c\/td\u003e\n\u003ctd style=\"width: 14.1401%;\"\u003e13,00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 9.54029%;\"\u003e65\u003c\/td\u003e\n\u003ctd style=\"width: 13.2883%;\"\u003e240±2\u003c\/td\u003e\n\u003ctd style=\"width: 11.9254%;\"\u003e185\u003c\/td\u003e\n\u003ctd style=\"width: 12.4364%;\"\u003e145\u003c\/td\u003e\n\u003ctd style=\"width: 11.2439%;\"\u003e118\u003c\/td\u003e\n\u003ctd style=\"width: 11.934%;\"\u003e20-2\u003c\/td\u003e\n\u003ctd style=\"width: 13.1093%;\"\u003e4 – Ø19\u003c\/td\u003e\n\u003ctd style=\"width: 14.1401%;\"\u003e17,40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 9.54029%;\"\u003e80\u003c\/td\u003e\n\u003ctd style=\"width: 13.2883%;\"\u003e260±2\u003c\/td\u003e\n\u003ctd style=\"width: 11.9254%;\"\u003e200\u003c\/td\u003e\n\u003ctd style=\"width: 12.4364%;\"\u003e160\u003c\/td\u003e\n\u003ctd style=\"width: 11.2439%;\"\u003e132\u003c\/td\u003e\n\u003ctd style=\"width: 11.934%;\"\u003e22-2\u003c\/td\u003e\n\u003ctd style=\"width: 13.1093%;\"\u003e8 – Ø19\u003c\/td\u003e\n\u003ctd style=\"width: 14.1401%;\"\u003e24,40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 9.54029%;\"\u003e100\u003c\/td\u003e\n\u003ctd style=\"width: 13.2883%;\"\u003e300±2\u003c\/td\u003e\n\u003ctd style=\"width: 11.9254%;\"\u003e220\u003c\/td\u003e\n\u003ctd style=\"width: 12.4364%;\"\u003e180\u003c\/td\u003e\n\u003ctd style=\"width: 11.2439%;\"\u003e156\u003c\/td\u003e\n\u003ctd style=\"width: 11.934%;\"\u003e24-2\u003c\/td\u003e\n\u003ctd style=\"width: 13.1093%;\"\u003e8 – Ø19\u003c\/td\u003e\n\u003ctd style=\"width: 14.1401%;\"\u003e33,20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 9.54029%;\"\u003e125\u003c\/td\u003e\n\u003ctd style=\"width: 13.2883%;\"\u003e350±2\u003c\/td\u003e\n\u003ctd style=\"width: 11.9254%;\"\u003e250\u003c\/td\u003e\n\u003ctd style=\"width: 12.4364%;\"\u003e210\u003c\/td\u003e\n\u003ctd style=\"width: 11.2439%;\"\u003e184\u003c\/td\u003e\n\u003ctd style=\"width: 11.934%;\"\u003e26-2\u003c\/td\u003e\n\u003ctd style=\"width: 13.1093%;\"\u003e8 – Ø19\u003c\/td\u003e\n\u003ctd style=\"width: 14.1401%;\"\u003e52,00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 9.54029%;\"\u003e150\u003c\/td\u003e\n\u003ctd style=\"width: 13.2883%;\"\u003e400±2\u003c\/td\u003e\n\u003ctd style=\"width: 11.9254%;\"\u003e285\u003c\/td\u003e\n\u003ctd style=\"width: 12.4364%;\"\u003e240\u003c\/td\u003e\n\u003ctd style=\"width: 11.2439%;\"\u003e211\u003c\/td\u003e\n\u003ctd style=\"width: 11.934%;\"\u003e26-2\u003c\/td\u003e\n\u003ctd style=\"width: 13.1093%;\"\u003e8 – Ø23\u003c\/td\u003e\n\u003ctd style=\"width: 14.1401%;\"\u003e75,20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 9.54029%;\"\u003e200\u003c\/td\u003e\n\u003ctd style=\"width: 13.2883%;\"\u003e500±2\u003c\/td\u003e\n\u003ctd style=\"width: 11.9254%;\"\u003e340\u003c\/td\u003e\n\u003ctd style=\"width: 12.4364%;\"\u003e295\u003c\/td\u003e\n\u003ctd style=\"width: 11.2439%;\"\u003e266\u003c\/td\u003e\n\u003ctd style=\"width: 11.934%;\"\u003e30-2\u003c\/td\u003e\n\u003ctd style=\"width: 13.1093%;\"\u003e12 – Ø23\u003c\/td\u003e\n\u003ctd style=\"width: 14.1401%;\"\u003e121,00\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\/swing-check-DNOVA-302a-raz.jpg?v=1730541794\" style=\"border: none; width: 450px; padding-top: 15px;\" title=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e Dimensional sketch of check valve DNOVA 302A, body material - cast iron GG25, closure element material - stainless steel AISI 420, seal - stainless steel\u003c\/span\u003e\u003cspan style=\"font-size: 24px;\"\u003e\u003c\/span\u003e\u003cspan style=\"font-size: 24px;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4 style=\"padding-top: 15px;\"\u003e\u003cspan style=\"font-size: 24px;\"\u003eMaterials of the check valve parts DNOVA 302A \u003c\/span\u003e\u003c\/h4\u003e\n\u003ctable border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e№\u003c\/td\u003e\n\u003ctd\u003ePart name\u003c\/td\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003ecast iron HT250(GG25)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eSaddle\u003c\/td\u003e\n\u003ctd\u003eZHMn58-2-2 (CuZn40Mn) \/ ZG2Cr13 (G-X20Cr14)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eGate sealing ring\u003c\/td\u003e\n\u003ctd\u003eZHMn58-2-2 (CuZn40Mn) \/ ZG2Cr13 (G-X20Cr14)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eShutter\u003c\/td\u003e\n\u003ctd\u003ecast iron HT250(GG25)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eGasket\u003c\/td\u003e\n\u003ctd\u003esteel 35\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eBolt\u003c\/td\u003e\n\u003ctd\u003esteel 35\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003eBracket\u003c\/td\u003e\n\u003ctd\u003ecast iron QT450-10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003eGasket\u003c\/td\u003e\n\u003ctd\u003esteel 08 + thermally expanded graphite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003ctd\u003eCover\u003c\/td\u003e\n\u003ctd\u003ecast iron HT250(GG25)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003eBolt\u003c\/td\u003e\n\u003ctd\u003esteel 35\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003eCylindrical pin with female thread\u003c\/td\u003e\n\u003ctd\u003esteel 304 (G-X6CrNi189)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003eFlat washer\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003escrew plug\u003c\/td\u003e\n\u003ctd\u003esteel 25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0878\/3603\/3359\/files\/swing-check-DNOVA-302a-sos.jpg?v=1730541794\" style=\"border: none; width: 450px; padding-top: 15px;\" title=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e Material sketch of check valve DNOVA 302A, body material - cast iron GG25, closure element material - stainless steel AISI 420, seal - stainless steel\u003c\/span\u003e\u003c\/p\u003e","brand":"DNOVA","offers":[{"title":"DN50 \/ 16 bar","offer_id":54568844099932,"sku":"D100-03551","price":33.9,"currency_code":"USD","in_stock":true},{"title":"DN65 \/ 16 bar","offer_id":54568844132700,"sku":"D100-03552","price":47.7,"currency_code":"USD","in_stock":true},{"title":"DN80 \/ 16 bar","offer_id":54568844165468,"sku":"D100-03553","price":65.99,"currency_code":"USD","in_stock":true},{"title":"DN100 \/ 16 bar","offer_id":54568844198236,"sku":"D100-03554","price":89.21,"currency_code":"USD","in_stock":true},{"title":"DN125 \/ 16 bar","offer_id":54568844231004,"sku":"D100-03555","price":138.28,"currency_code":"USD","in_stock":true},{"title":"DN150 \/ 16 bar","offer_id":54568844263772,"sku":"D100-03556","price":128.38,"currency_code":"USD","in_stock":true},{"title":"DN200 \/ 16 bar","offer_id":54568844296540,"sku":"D100-03557","price":301.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/6962\/0316\/files\/klapan_0001_9a2f447f-c3f1-43b8-af0c-a40d7dc8f8c7.jpg?v=1747750148","url":"https:\/\/dnova.pro\/products\/swing-check-valve-dnova-302a-body-material-cast-iron-gg25-closure-element-material-stainless-steel-aisi-420-seal-stainless-steel","provider":"DNOVA","version":"1.0","type":"link"}