{"product_id":"rbm-safety-relief-valve-closed-heating-circuits-1-2-3-4-f-x-f-1-5-to-10-bar-series-351","title":"RBM Safety Relief Valve - Closed Heating Circuits, 1\/2\" \u0026 3\/4\" F x F, 1.5 to 10 Bar | Series 351","description":"\u003cp\u003eThe RBM Series 351 is a standard safety relief valve with controlled rise, used to protect closed hydronic heating and cooling circuits, boilers and buffer tanks from overpressure.\u003c\/p\u003e\u003cp\u003eBrass body with angle female connections and a 15mm orifice. Supplied factory calibrated at a range of set pressures from 1.5 to 10 bar.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/2\" F x 1\/2\" F or 3\/4\" F x 3\/4\" F angle, UNI-EN-ISO 228\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCalibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5, 2, 3, 4, 6, 8 or 10 bar (1\/2\"); 4 bar (3\/4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax admissible pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePS 10 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax operating temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrifice diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOpening overpressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eless than 20% of set pressure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClosing discard pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAllowed fluid\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWater and air (Gr.2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax power (1\/2\")\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48 kW at 1.5 bar up to 181 kW at 10 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrass body with stainless steel AISI 302 spring\u003c\/li\u003e\n\u003cli\u003eElastomer obturator seal and diaphragm\u003c\/li\u003e\n\u003cli\u003eControlled-rise opening for stable discharge\u003c\/li\u003e\n\u003cli\u003eFixed factory calibration\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompliance:\u003c\/strong\u003e For closed-circuit hydronic heating and cooling systems only. This is not an AS 1357 temperature and pressure relief valve and must not be fitted to a water heater or potable water supply.\u003c\/p\u003e","brand":"RBM","offers":[{"title":"1\/2\" \/ 1.5 bar","offer_id":68237903921301,"sku":"351.04.10","price":21.95,"currency_code":"AUD","in_stock":true},{"title":"1\/2\" \/ 2 bar","offer_id":68237903954069,"sku":"351.04.20","price":21.95,"currency_code":"AUD","in_stock":true},{"title":"1\/2\" \/ 3 bar","offer_id":68237903986837,"sku":"351.04.40","price":21.95,"currency_code":"AUD","in_stock":true},{"title":"1\/2\" \/ 4 bar","offer_id":68237904019605,"sku":"351.04.60","price":21.95,"currency_code":"AUD","in_stock":true},{"title":"1\/2\" \/ 6 bar","offer_id":68237904052373,"sku":"351.04.90","price":21.95,"currency_code":"AUD","in_stock":true},{"title":"1\/2\" \/ 8 bar","offer_id":68237904085141,"sku":"351.04.81","price":21.95,"currency_code":"AUD","in_stock":true},{"title":"1\/2\" \/ 10 bar","offer_id":68237904117909,"sku":"351.04.11","price":21.95,"currency_code":"AUD","in_stock":true},{"title":"3\/4\" \/ 4 bar","offer_id":68237904150677,"sku":"351.05.60","price":28.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0563\/2373\/5701\/files\/00_RBM_351.jpg?v=1794395334","url":"https:\/\/www.plumbersupplies.com.au\/products\/rbm-safety-relief-valve-closed-heating-circuits-1-2-3-4-f-x-f-1-5-to-10-bar-series-351","provider":"Plumber Supplies Australia","version":"1.0","type":"link"}