{"product_id":"first-rotomix-f4-dn20-3-4-stiripotni-mesalni-ventil","title":"FIRŠT ROTOMIX F4 four-way mixing valve DN 20 – G 3\/4″","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe FIRŠT ROTOMIX F4 is a four-way brass mixing valve in DN 20 size with G 3\/4-inch connections. It is designed for mixing and directing heating water in radiator and underfloor heating systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIts four-way design connects the flow and return lines and allows the temperature of the water circulating through the heating system to be regulated. The position of the internal mixing element is adjusted using the handle on the top of the valve.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe compact body is manufactured from forged brass. Its specially designed sealing system and low operating torque provide reliable long-term operation and reduce the possibility of the valve becoming seized or blocked.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe valve can be operated manually or fitted with a compatible FIRŠT motorised actuator. A suitable actuator can be installed quickly without opening the actuator housing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe DN 20 version has a Kvs flow coefficient of 6 and is suitable for heating systems where the required flow rate and connection size correspond to the valve specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eImportant: The image is for illustration purposes only and may differ from the actual product, particularly in the shape of the handle, lettering, colour markings and other details. Before ordering, check the F4 version, DN 20 size and G 3\/4-inch connection.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eTechnical specifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eManufacturer:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e FIRŠT ROTOTEHNIKA\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSeries:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ROTOMIX\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eVersion:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e F4\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eProduct type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e four-way mixing valve\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eNominal size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e DN 20\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eConnection size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e G 3\/4″\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eFlow coefficient:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Kvs 6 m³\/h\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eNominal pressure:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e PN 6\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMaximum working pressure:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 6 bar\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMaximum medium temperature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 110 °C\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eRotation angle:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 90°\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eBody material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e forged CuZn39Pb3 brass\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eRotor and spindle material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e CuZn39Pb3 brass\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSpindle sealing:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e EPDM O-rings\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e approximately 0.58 kg\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eManufacturer code:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 41009\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eOperation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e manual or with a compatible FIRŠT motorised actuator\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e radiator and underfloor heating systems\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eSales unit:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e one piece\u003c\/span\u003e\u003c\/p\u003e","brand":"FIRŠT","offers":[{"title":"Default Title","offer_id":54178368127313,"sku":"41009","price":28.15,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/6639\/2657\/files\/first-rotomix-f4-dn20-3-4-stiripotni-mesalni-ventil.jpg?v=1782842020","url":"https:\/\/lazar-projekt.si\/en\/products\/first-rotomix-f4-dn20-3-4-four-way-mixing-valve","provider":"Lazar Projekt","version":"1.0","type":"link"}