{"product_id":"450mm-square-to-round-sealed-locking-recessed-manhole-cover","title":"450mm Square to Round Sealed \u0026 Locking Recessed Manhole Cover","description":"\u003cp\u003eThis 450mm square to round recessed manhole cover combines a galvanised steel tray with a polypropylene frame, providing a durable and lightweight access solution for standard 450mm chambers.\u003c\/p\u003e\n\u003cp\u003eThe integrated rubber gasket and four screw locking system create a tighter seal than standard recessed covers, restricting odours and surface water ingress in internal floors and pedestrian areas.\u003c\/p\u003e\n\u003ch2\u003eBenefits of the 450mm Square to Round Sealed \u0026amp; Locking Recessed Manhole Cover:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e450mm clear opening suits standard inspection chambers without adaptors\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRubber gasket seal helps reduce odour escape in internal environments\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFour screw locking system secures the cover and improves sealing performance\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRecessed tray allows concrete or screed infill for a flush finish\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e5 tonne load rating suitable for pedestrian areas and light external use\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePolypropylene frame resists corrosion in damp or internal conditions\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntegrated lifting handles allow safe removal without separate keys\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMoulded grouting flange helps secure the frame during installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications:\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSuitable location:\u003c\/strong\u003e Internal and external pedestrian areas\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eClear opening:\u003c\/strong\u003e 450mm diameter\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOverall frame size:\u003c\/strong\u003e 580mm x 580mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTray depth (recess depth):\u003c\/strong\u003e 43.5mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFrame depth:\u003c\/strong\u003e 52mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial: \u003c\/strong\u003eGalvanised steel tray with polypropylene frame\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinish: \u003c\/strong\u003eGalvanised\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSeal type:\u003c\/strong\u003e Rubber gasket seal\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLocking:\u003c\/strong\u003e Four screw locking\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLoad rating:\u003c\/strong\u003e 5 tonne GPW\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLifting method: \u003c\/strong\u003eIntegrated lifting handles\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFixings supplied:\u003c\/strong\u003e Not specified\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 10kg\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStandards:\u003c\/strong\u003e FACTA 7.0, 7.2, 7.2.1, 7.2.3\u003c\/p\u003e","brand":"EcoGrid - Manhole Covers","offers":[{"title":"Default Title","offer_id":64677079417209,"sku":"CD 450SR\/46SL","price":70.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0356\/6364\/2669\/files\/450mm_Square_to_Round_Sealed_Locking_Recessed_Manhole_Cover.png?v=1790051825","url":"https:\/\/drainagesuppliesdirect.co.uk\/products\/450mm-square-to-round-sealed-locking-recessed-manhole-cover","provider":"Drainage Supplies Direct","version":"1.0","type":"link"}