{"product_id":"lift-check-valve-dnova-287a-body-material-cast-iron-gg25-closure-element-material-stainless-steel-aisi-420-seal-stainless-steel","title":"Lift check valve DNOVA 287A, body material - cast iron GG25, closure element material - stainless steel AISI 420, seal - stainless steel","description":"\u003cp\u003e\u003cspan\u003eCheck 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\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\u003e\u003cspan\u003eTechnical data of check valves DNOVA connection type - flanged, valve type - lifting VC1130M-F\u003c\/span\u003e\u003c\/h4\u003e\n\u003ctable style=\"width: 99.964%;\" class=\"table_materials_karto4ka\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.5291%;\"\u003eWorking pressure, bar\u003c\/td\u003e\n\u003ctd style=\"width: 60.3377%;\"\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.5291%;\"\u003eTemperature of working environment t, °C\u003c\/td\u003e\n\u003ctd style=\"width: 60.3377%;\"\u003e≤200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.5291%;\"\u003eWorking environment\u003c\/td\u003e\n\u003ctd style=\"width: 60.3377%;\"\u003ewater, steam, oil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.5291%;\"\u003eDirection of supply of working medium\u003c\/td\u003e\n\u003ctd style=\"width: 60.3377%;\"\u003earrow on the valve body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.5291%;\"\u003eConnection to the pipeline\u003c\/td\u003e\n\u003ctd style=\"width: 60.3377%;\"\u003eflanged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.5291%;\"\u003eSealing class\u003c\/td\u003e\n\u003ctd style=\"width: 60.3377%;\"\u003eD according to ISO 5208\u003cspan\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.5291%;\"\u003eBody material\u003c\/td\u003e\n\u003ctd style=\"width: 60.3377%;\"\u003ecast iron GG25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.5291%;\"\u003eApplication areas\u003c\/td\u003e\n\u003ctd style=\"width: 60.3377%;\"\u003eheating and water supply systems; steam plants; industrial pipelines.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\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;\"\u003eDimensions of the check valve DNOVA 287A, body material - cast iron GG25 \u003c\/span\u003e\u003c\/h4\u003e\n\u003ctable height=\"365\" style=\"width: 119.118%;\" border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.5919%;\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"width: 13.3956%;\"\u003eL, mm\u003c\/td\u003e\n\u003ctd style=\"width: 11.8423%;\"\u003eD, mm\u003c\/td\u003e\n\u003ctd style=\"width: 12.1452%;\"\u003eD1, mm\u003c\/td\u003e\n\u003ctd style=\"width: 12.6168%;\"\u003eD2, mm\u003c\/td\u003e\n\u003ctd style=\"width: 12.4611%;\"\u003eB-f, mm\u003c\/td\u003e\n\u003ctd style=\"width: 10.9034%;\"\u003eZ-Ød\u003c\/td\u003e\n\u003ctd style=\"width: 13.8629%;\"\u003eWeight,kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.5919%;\"\u003e15\u003c\/td\u003e\n\u003ctd style=\"width: 13.3956%;\"\u003e130±2\u003c\/td\u003e\n\u003ctd style=\"width: 11.8423%;\"\u003e95\u003c\/td\u003e\n\u003ctd style=\"width: 12.1452%;\"\u003e65\u003c\/td\u003e\n\u003ctd style=\"width: 12.6168%;\"\u003e46\u003c\/td\u003e\n\u003ctd style=\"width: 12.4611%;\"\u003e14-2\u003c\/td\u003e\n\u003ctd style=\"width: 10.9034%;\"\u003e4 – Ø14\u003c\/td\u003e\n\u003ctd style=\"width: 13.8629%;\"\u003e2,73\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.5919%;\"\u003e20\u003c\/td\u003e\n\u003ctd style=\"width: 13.3956%;\"\u003e150±2\u003c\/td\u003e\n\u003ctd style=\"width: 11.8423%;\"\u003e105\u003c\/td\u003e\n\u003ctd style=\"width: 12.1452%;\"\u003e75\u003c\/td\u003e\n\u003ctd style=\"width: 12.6168%;\"\u003e56\u003c\/td\u003e\n\u003ctd style=\"width: 12.4611%;\"\u003e16-2\u003c\/td\u003e\n\u003ctd style=\"width: 10.9034%;\"\u003e4 – Ø14\u003c\/td\u003e\n\u003ctd style=\"width: 13.8629%;\"\u003e3,48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.5919%;\"\u003e25\u003c\/td\u003e\n\u003ctd style=\"width: 13.3956%;\"\u003e160±2\u003c\/td\u003e\n\u003ctd style=\"width: 11.8423%;\"\u003e115\u003c\/td\u003e\n\u003ctd style=\"width: 12.1452%;\"\u003e85\u003c\/td\u003e\n\u003ctd style=\"width: 12.6168%;\"\u003e65\u003c\/td\u003e\n\u003ctd style=\"width: 12.4611%;\"\u003e16-2\u003c\/td\u003e\n\u003ctd style=\"width: 10.9034%;\"\u003e4 – Ø14\u003c\/td\u003e\n\u003ctd style=\"width: 13.8629%;\"\u003e4,43\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.5919%;\"\u003e32\u003c\/td\u003e\n\u003ctd style=\"width: 13.3956%;\"\u003e180±2\u003c\/td\u003e\n\u003ctd style=\"width: 11.8423%;\"\u003e140\u003c\/td\u003e\n\u003ctd style=\"width: 12.1452%;\"\u003e100\u003c\/td\u003e\n\u003ctd style=\"width: 12.6168%;\"\u003e76\u003c\/td\u003e\n\u003ctd style=\"width: 12.4611%;\"\u003e18-2\u003c\/td\u003e\n\u003ctd style=\"width: 10.9034%;\"\u003e4 – Ø19\u003c\/td\u003e\n\u003ctd style=\"width: 13.8629%;\"\u003e6,51\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.5919%;\"\u003e40\u003c\/td\u003e\n\u003ctd style=\"width: 13.3956%;\"\u003e200±2\u003c\/td\u003e\n\u003ctd style=\"width: 11.8423%;\"\u003e150\u003c\/td\u003e\n\u003ctd style=\"width: 12.1452%;\"\u003e110\u003c\/td\u003e\n\u003ctd style=\"width: 12.6168%;\"\u003e84\u003c\/td\u003e\n\u003ctd style=\"width: 12.4611%;\"\u003e18-2\u003c\/td\u003e\n\u003ctd style=\"width: 10.9034%;\"\u003e4 – Ø19\u003c\/td\u003e\n\u003ctd style=\"width: 13.8629%;\"\u003e7,7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.5919%;\"\u003e50\u003c\/td\u003e\n\u003ctd style=\"width: 13.3956%;\"\u003e230±2\u003c\/td\u003e\n\u003ctd style=\"width: 11.8423%;\"\u003e165\u003c\/td\u003e\n\u003ctd style=\"width: 12.1452%;\"\u003e125\u003c\/td\u003e\n\u003ctd style=\"width: 12.6168%;\"\u003e99\u003c\/td\u003e\n\u003ctd style=\"width: 12.4611%;\"\u003e20-2\u003c\/td\u003e\n\u003ctd style=\"width: 10.9034%;\"\u003e4 – Ø19\u003c\/td\u003e\n\u003ctd style=\"width: 13.8629%;\"\u003e12,16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.5919%;\"\u003e65\u003c\/td\u003e\n\u003ctd style=\"width: 13.3956%;\"\u003e290±2\u003c\/td\u003e\n\u003ctd style=\"width: 11.8423%;\"\u003e185\u003c\/td\u003e\n\u003ctd style=\"width: 12.1452%;\"\u003e145\u003c\/td\u003e\n\u003ctd style=\"width: 12.6168%;\"\u003e118\u003c\/td\u003e\n\u003ctd style=\"width: 12.4611%;\"\u003e20-2\u003c\/td\u003e\n\u003ctd style=\"width: 10.9034%;\"\u003e4 – Ø19\u003c\/td\u003e\n\u003ctd style=\"width: 13.8629%;\"\u003e18,76\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.5919%;\"\u003e80\u003c\/td\u003e\n\u003ctd style=\"width: 13.3956%;\"\u003e310±2\u003c\/td\u003e\n\u003ctd style=\"width: 11.8423%;\"\u003e200\u003c\/td\u003e\n\u003ctd style=\"width: 12.1452%;\"\u003e160\u003c\/td\u003e\n\u003ctd style=\"width: 12.6168%;\"\u003e132\u003c\/td\u003e\n\u003ctd style=\"width: 12.4611%;\"\u003e22-2\u003c\/td\u003e\n\u003ctd style=\"width: 10.9034%;\"\u003e8 – Ø19\u003c\/td\u003e\n\u003ctd style=\"width: 13.8629%;\"\u003e24,48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.5919%;\"\u003e100\u003c\/td\u003e\n\u003ctd style=\"width: 13.3956%;\"\u003e350±2\u003c\/td\u003e\n\u003ctd style=\"width: 11.8423%;\"\u003e220\u003c\/td\u003e\n\u003ctd style=\"width: 12.1452%;\"\u003e180\u003c\/td\u003e\n\u003ctd style=\"width: 12.6168%;\"\u003e156\u003c\/td\u003e\n\u003ctd style=\"width: 12.4611%;\"\u003e24-2\u003c\/td\u003e\n\u003ctd style=\"width: 10.9034%;\"\u003e8 – Ø19\u003c\/td\u003e\n\u003ctd style=\"width: 13.8629%;\"\u003e34,84\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.5919%;\"\u003e125\u003c\/td\u003e\n\u003ctd style=\"width: 13.3956%;\"\u003e400±2\u003c\/td\u003e\n\u003ctd style=\"width: 11.8423%;\"\u003e250\u003c\/td\u003e\n\u003ctd style=\"width: 12.1452%;\"\u003e210\u003c\/td\u003e\n\u003ctd style=\"width: 12.6168%;\"\u003e184\u003c\/td\u003e\n\u003ctd style=\"width: 12.4611%;\"\u003e26-2\u003c\/td\u003e\n\u003ctd style=\"width: 10.9034%;\"\u003e8 – Ø19\u003c\/td\u003e\n\u003ctd style=\"width: 13.8629%;\"\u003e50,6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.5919%;\"\u003e150\u003c\/td\u003e\n\u003ctd style=\"width: 13.3956%;\"\u003e480±2\u003c\/td\u003e\n\u003ctd style=\"width: 11.8423%;\"\u003e285\u003c\/td\u003e\n\u003ctd style=\"width: 12.1452%;\"\u003e240\u003c\/td\u003e\n\u003ctd style=\"width: 12.6168%;\"\u003e211\u003c\/td\u003e\n\u003ctd style=\"width: 12.4611%;\"\u003e26-2\u003c\/td\u003e\n\u003ctd style=\"width: 10.9034%;\"\u003e8 – Ø23\u003c\/td\u003e\n\u003ctd style=\"width: 13.8629%;\"\u003e68,27\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 10.5919%;\"\u003e200\u003c\/td\u003e\n\u003ctd style=\"width: 13.3956%;\"\u003e600±2\u003c\/td\u003e\n\u003ctd style=\"width: 11.8423%;\"\u003e340\u003c\/td\u003e\n\u003ctd style=\"width: 12.1452%;\"\u003e295\u003c\/td\u003e\n\u003ctd style=\"width: 12.6168%;\"\u003e266\u003c\/td\u003e\n\u003ctd style=\"width: 12.4611%;\"\u003e30-2\u003c\/td\u003e\n\u003ctd style=\"width: 10.9034%;\"\u003e12 – Ø23\u003c\/td\u003e\n\u003ctd style=\"width: 13.8629%;\"\u003e108,2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cimg title=\"\" style=\"border: none; width: 450px; padding-top: 15px;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0878\/3603\/3359\/files\/pasp-klapan-obratnyj-podemnyj-dn-ru-vc1130m-f-du15-200-ru16_raz.jpg?v=1730792001\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e Dimensional sketch of check valve DNOVA 287A, body material - cast iron GG25, closure element material - stainless steel AISI 420, seal - stainless steel\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 287A, body material - cast iron GG25 \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\u003eBolt\u003c\/td\u003e\n\u003ctd\u003esteel 35\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eCover\u003c\/td\u003e\n\u003ctd\u003eGGG40 cast iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003espool\u003c\/td\u003e\n\u003ctd\u003eZ2Cr13 (G-X20Cr14)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eSpring\u003c\/td\u003e\n\u003ctd\u003e304 (G-X6CrNI189)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003egland\u003c\/td\u003e\n\u003ctd\u003esteel 08 + thermally expanded graphite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003eHousing O-ring\u003c\/td\u003e\n\u003ctd\u003eZ2Cr13 (G-X20Cr14)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cimg title=\"\" style=\"border: none; width: 450px; padding-top: 15px;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0878\/3603\/3359\/files\/pasp-klapan-obratnyj-podemnyj-dn-ru-vc1130m-f-du15-200-ru16_sos.jpg?v=1730792000\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e Material sketch of check valve DNOVA 287A, 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":"DN15 \/ 16 bar","offer_id":54568848195932,"sku":"D100-03558","price":8.52,"currency_code":"USD","in_stock":true},{"title":"DN20 \/ 16 bar","offer_id":54568848228700,"sku":"D100-03559","price":10.41,"currency_code":"USD","in_stock":true},{"title":"DN25 \/ 16 bar","offer_id":54568848261468,"sku":"D100-03560","price":11.01,"currency_code":"USD","in_stock":true},{"title":"DN32 \/ 16 bar","offer_id":54568848294236,"sku":"D100-03561","price":15.56,"currency_code":"USD","in_stock":true},{"title":"DN40 \/ 16 bar","offer_id":54568848327004,"sku":"D100-03562","price":23.93,"currency_code":"USD","in_stock":true},{"title":"DN50 \/ 16 bar","offer_id":54568848359772,"sku":"D100-03563","price":26.41,"currency_code":"USD","in_stock":true},{"title":"DN65 \/ 16 bar","offer_id":54568848392540,"sku":"D100-03564","price":48.16,"currency_code":"USD","in_stock":true},{"title":"DN80 \/ 16 bar","offer_id":54568848425308,"sku":"D100-03565","price":57.17,"currency_code":"USD","in_stock":true},{"title":"DN100 \/ 16 bar","offer_id":54568848458076,"sku":"D100-03566","price":87.34,"currency_code":"USD","in_stock":true},{"title":"DN125 \/ 16 bar","offer_id":54568848490844,"sku":"D100-03567","price":85.59,"currency_code":"USD","in_stock":true},{"title":"DN150 \/ 16 bar","offer_id":54568848523612,"sku":"D100-03568","price":149.05,"currency_code":"USD","in_stock":true},{"title":"DN200 \/ 16 bar","offer_id":54568848556380,"sku":"D100-03569","price":234.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/6962\/0316\/files\/klapan_0001.jpg?v=1747750168","url":"https:\/\/dnova.pro\/products\/lift-check-valve-dnova-287a-body-material-cast-iron-gg25-closure-element-material-stainless-steel-aisi-420-seal-stainless-steel","provider":"DNOVA","version":"1.0","type":"link"}