{"product_id":"12-threaded-tank-lid-with-non-return-valve-350mm-polypropylene","title":"12\" Threaded Tank Lid with Non-Return Valve – 350mm Polypropylene","description":"\u003cp\u003e\u003cstrong\u003eThreaded polypropylene tank lid featuring an integrated non-return valve for sealed water tank systems.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis 12-inch tank lid threads securely into a compatible lid ring collar, creating a watertight seal. The built-in non-return valve permits air circulation during filling and prevents external contaminants from entering the tank. Lightweight polypropylene construction ensures durability without excess weight.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIntegrated non-return valve allows air escape without contamination ingress\u003c\/li\u003e\n\u003cli\u003eDurable, lightweight polypropylene construction\u003c\/li\u003e\n\u003cli\u003eErgonomic handle for quick, tool-free opening and closing\u003c\/li\u003e\n\u003cli\u003eSecure threaded connection for watertight seal\u003c\/li\u003e\n\u003cli\u003eCompact 29mm depth\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOverall diameter: 350mm\u003c\/li\u003e\n\u003cli\u003eThread diameter: 313mm\u003c\/li\u003e\n\u003cli\u003eDepth: 29mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Polypropylene\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eWater storage tank systems\u003c\/li\u003e\n\u003cli\u003eAbove-ground and below-ground tank installations\u003c\/li\u003e\n\u003cli\u003eAgricultural and industrial water storage\u003c\/li\u003e\n\u003cli\u003ePotable water containment\u003c\/li\u003e\n\u003cli\u003eSystems requiring pressurisation or venting control\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"safety supplies","offers":[{"title":"Default","offer_id":53705884074277,"sku":"DP8152001","price":47.72,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/1932\/9829\/files\/4e75c25d667af218652e8778fd9a7992.jpg?v=1788097902","url":"https:\/\/safetysuppliesco.co.uk\/products\/12-threaded-tank-lid-with-non-return-valve-350mm-polypropylene","provider":"Safety Supplies Co","version":"1.0","type":"link"}