HDPE检查井井径系列：井筒直径与排水管道的管径覆土匹配表单：mm排水管道井筒直径(mm)（DN）管径（mm）（DN）管顶覆土深度(m)小于等于200小于等于0.8OD200小于等于300小于等于1.0OD315小于等于300小于等于1.5OD350小于等于300小于等于1.8OD400小于等于400小于等于2.0OD450小于等于400小于等于2.5OD500小于等于500小于等于3.0OD630小于等于600小于等于3.5OD700小于等于800小于等于4.0OD1000小于等于1000小于等于6.00D1000注：井筒直径(mm)（DN）=检查井井径检查井价格表：规格直通三通四通90度胶圈450*3001351381581358450*4001451451581458700*30017818519017810700*40018519019518510700*50021023026021015700*600280290298280201000*300180190210180151000*400190210249190201000*500210249250210301000*600230258258230351000*700250278289260381000*80026039043027840检查井配件：井筒规格价格井筒胶圈价格变径价格热缩套价格井筒胶圈价格马鞍接头价格45040045068300-2001402003545060450*700*1104570076070098400--3001703005070090450*700*160901000A20001000198500-400180400601000195450*700*2-001501000B2580600-50019050070800-60021060080700908002761000320)