{"product_id":"danfoss-ra-dv-dynamic-valve-angle-dn20-3-4-013g7725","title":"Danfoss RA-DV Dynamic Valve - Angle - DN20 - 3\/4\" - 013G7725","description":"\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/AI125086402935en-000802.pdf?v=1774604820\" target=\"_blank\" title=\"Danfoss Dynamic Valve™ Type RA-DV Datasheet\" rel=\"noopener\"\u003eDatasheet\u003c\/a\u003e\u003c\/p\u003e\r\n\u003cp\u003eRA-DV is a series of pressure independent radiator valves, designed for use in 2-pipe heating systems together with all types of thermostatic sensors with Danfoss RA coupling.\u003c\/p\u003e\r\n\u003cp\u003eRA-DV dynamic valves are fitted with a flow limiting device for presetting of the maximum water flow. The valves are available with maximum water flow of 10 - 135 l\/h.\u003c\/p\u003e\r\n\u003cp\u003eRA-DV has a built-in pressure regulator, which keeps the dierential pressure at a constant level of 0.1 bar, thus maintaining the set flow.\u003c\/p\u003e\r\n\u003cp\u003eRA-DV is supplied with a protective cap, which can be used for manual regulation during the construction phase.\u003c\/p\u003e\r\n\u003cp\u003eThe protective cap must not be used as manual shut o device. A special manual shut o device (code no. 013G5002) should be used.\u003c\/p\u003e\r\n\u003cp\u003eTo be able to distinguish between other valve bodies of the Danfoss RA series the RA-DV protective cap and presetting ring are green.\u003c\/p\u003e\r\n\u003cp\u003eRA-DV valve bodies are manufactured from brass with a nickel plating.\u003c\/p\u003e\r\n\u003cp\u003eThe gland seal pressure pin is chrominium steel and works in a lifetime lubricated O-ring. The complete gland seal assembly can be replaced without draining down the system.\u003c\/p\u003e\r\n\u003cp\u003eShould water treatment be used it is essential that the manufacturer’s dosing instructions are strictly observed. Formulations containing mineral oil should be avoided.\u003c\/p\u003e\r\n\u003cp\u003eThe water quality in the system must comply with VDI 2035, TÜV 1466, AGFW Work Part FW 510, or Vejledning Vandbehandling og korrosionsforbyggelse (Sep 2018), to ensure corrosion protection and optimal valve performance.\u003c\/p\u003e","brand":"Kings Plumbing Supplies","offers":[{"title":"DN20 \/ 3\/4\"","offer_id":53040574071051,"sku":"DAN00001730","price":61.56,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/DAN00001730.png?v=1774604821","url":"https:\/\/plumblikeaking.co.uk\/products\/danfoss-ra-dv-dynamic-valve-angle-dn20-3-4-013g7725","provider":"Kings Plumbing Supplies Limited","version":"1.0","type":"link"}