{"product_id":"450mm-vented-tank-lid-1-vent-polypropylene-16-series","title":"450mm Vented Tank Lid, 1 Vent, Polypropylene – 16\" Series","description":"\u003cp\u003e\u003cstrong\u003ePolypropylene vented tank lid engineered for safe pressure equalisation in 450mm-diameter storage vessels.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis single-vent tank lid is designed to prevent vacuum formation and allow safe gas exchange during tank filling and emptying cycles. The robust polypropylene construction resists chemical exposure and weathering, making it suitable for long-term outdoor or industrial use.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e450mm outer diameter with 408mm thread diameter\u003c\/li\u003e\n\u003cli\u003eSingle female-thread vent outlet for atmospheric exchange\u003c\/li\u003e\n\u003cli\u003e23mm depth for secure fitment and seal integrity\u003c\/li\u003e\n\u003cli\u003ePolypropylene construction offering chemical and UV resistance\u003c\/li\u003e\n\u003cli\u003eDesigned for safe tank pressurisation control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTank diameter: 450mm\u003c\/li\u003e\n\u003cli\u003eThread diameter: 408mm\u003c\/li\u003e\n\u003cli\u003eDepth: 23mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Polypropylene\u003c\/li\u003e\n\u003cli\u003eVent configuration: Single outlet\u003c\/li\u003e\n\u003cli\u003eThread type: Female\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIndustrial liquid storage and transport tanks\u003c\/li\u003e\n\u003cli\u003eAgricultural chemical containment vessels\u003c\/li\u003e\n\u003cli\u003eWater and fuel storage systems\u003c\/li\u003e\n\u003cli\u003eHazardous fluid handling and compliance\u003c\/li\u003e\n\u003cli\u003eMobile tank and container systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"safety supplies","offers":[{"title":"Default","offer_id":53705884303653,"sku":"DP8158005","price":47.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/1932\/9829\/files\/1e67a3cb47815a52f01213c1c498ea0e.jpg?v=1788097943","url":"https:\/\/safetysuppliesco.co.uk\/products\/450mm-vented-tank-lid-1-vent-polypropylene-16-series","provider":"Safety Supplies Co","version":"1.0","type":"link"}