{"product_id":"valvola-di-sicurezza-a-membrana-vst-ff-tarata-inail-ex-ispesl-3-4-x-1-4-bar","title":"VST FF diaphragm safety valve, INAIL-approved, formerly ISPESL, 3\/4 x 1, set to 4 bar","description":"\u003cp\u003eVST female-to-female diaphragm safety valve with a fixed setting of 2.5 bar, featuring 1\/2\" x 3\/4\" connections, certified and calibrated by INAIL, formerly ISPESL. Designed to protect heat generators, it combines precision, reliability, and full regulatory compliance. The body and bonnet in CW617N brass ensure robustness and long-term resistance, while the oversized outlet promotes efficient discharge of excess pressure. Rated PN10, it is suitable for fluids such as water with up to 50% glycol and operates across a wide temperature range from -10°C to 120°C. INAIL certification, formerly ISPESL, and compliance with the PED Directive 2014\/68\/EU make it the ideal choice for systems requiring maximum safety and adherence to current standards. A professional, certified protection device.\u003cbr\u003e\n\u003cbr\u003e\nTechnical features:\u003cbr\u003e\n- Type: VST diaphragm safety valve with fixed setting\u003cbr\u003e\n- Connections: 1\/2\" x 3\/4\" FF with oversized outlet\u003cbr\u003e\n- Setting pressure: 2.5 bar\u003cbr\u003e\n- Body and bonnet in CW617N brass\u003cbr\u003e\n- Nominal pressure: PN10\u003cbr\u003e\n- Fluids: water with up to 50% glycol\u003cbr\u003e\n- Operating temperature: from -10°C to 120°C\u003cbr\u003e\n- Certified and calibrated by INAIL, formerly ISPESL\u003cbr\u003e\n- Compliant with PED Directive 2014\/68\/EU\u003c\/p\u003e","brand":"WATTS","offers":[{"title":"Default Title","offer_id":58309541724495,"sku":"411-3407-564","price":79.38,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/9074\/3375\/files\/622d22e3f8e742ba4279d3cf370726fd_4237a62b-f873-47de-beb1-e3bb9bda04e1.webp?v=1784976417","url":"https:\/\/www.ceramicstore.eu\/en\/products\/vst-ff-membrane-safety-valve-set-to-3-4-x-1-4-bar-by-inail-formerly-ispesl","provider":"CeramicStore | Lo specialista del tuo bagno","version":"1.0","type":"link"}