{"product_id":"c801a-560-manhole-cover","title":"C801A-560 Manhole Cover","description":"\u003cp\u003eBlinding Hole Design: In the main plate of the manhole cover , There are three blinding holes can be installed with Vapor Vent Valve , Optic Sensor , Dip Tube or External Vacuum Valve according to user`s demand.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManhole Cover C801A-560\/580\u003c\/strong\u003e\u003cbr\u003eWhole diameter:20″\u003cbr data-mce-fragment=\"1\"\u003eBlinding Hole Design:\u003cbr data-mce-fragment=\"1\"\u003eIn the main plate of the manhole cover , There are three blinding holes can be installed with Vapor Vent Valve , Optic Sensor , Dip Tube or External Vacuum Valve according to user`s demand.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eBenefit and Features :Aluminum alloy surface is treated by oxidation to improve the anti-corrosion.\u003cbr data-mce-fragment=\"1\"\u003eCan be installed double P\/V vent valve according to requirement to increase the flow rate of air\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eTechnical Data:\u003c\/strong\u003e\u003cbr\u003eEmergency open presure: 21Kpa~32Kpa\u003cbr data-mce-fragment=\"1\"\u003eMax Emergency Flow Rate: 7000m³\/h(When 34Kpa)\u003cbr data-mce-fragment=\"1\"\u003eMaterial: Aluminum Alloy\u003cbr data-mce-fragment=\"1\"\u003eInstallment Mode: Flanged Type\u003cbr data-mce-fragment=\"1\"\u003eTemperature Range: -20℃~+70℃\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSize Data:\u003c\/strong\u003e\u003cbr\u003eModel: C801A-460\u003cbr data-mce-fragment=\"1\"\u003eD0: Ø560\u003cbr data-mce-fragment=\"1\"\u003eD1 Ø530\u003cbr data-mce-fragment=\"1\"\u003eD2 Ø482\u003cbr data-mce-fragment=\"1\"\u003eH 88\u003cbr data-mce-fragment=\"1\"\u003eB 12\u003cbr data-mce-fragment=\"1\"\u003eZ-d 24-Ø11\u003cbr\u003e\u003c\/p\u003e","brand":"Jialong","offers":[{"title":"Default Title","offer_id":43774288265439,"sku":"","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/products\/timthumb.php_c93bb718-ef46-4ad7-8e3e-1fffa237489f.jpg?v=1668067720","url":"https:\/\/eastsupplier.cn\/zh-cn\/products\/c801a-560-manhole-cover","provider":"EastSupplier Platform","version":"1.0","type":"link"}