Manhole Type A

Drawing of Manhole Type A:

Manhole Type A Drawing File

Specification of Chain Locker Eye Ring Type A:

Nominal dimension	Opening		Baseboard		Cover plate				Number of nuts	Reference weight
	L	B	L1	B1	L2	B2	L3	B3
4535	450	350	480	380	550	450	620	520	20	52.9
5040	500	400	530	430	600	500	670	570	22	60.5
6040	600	400	630	430	700	500	770	570	24	69.5
6045	600	450	630	480	700	550	770	620	24	73.1

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