ます穴 □㎜	A ㎜	H ㎜	ます蓋+四方受枠	適用荷重						承 認 図
			型　式	歩道	T-2	T-6	T-14	T-20	T-25

300	400
400	500
450	550
500	600
600	700
700	800
800	900

19	※GMASM19-33	●
25	GMASM25-33		●
38	GMASM38-33				●
44	GMASM44-33					●
50	GMASM50-33						●

19	※GMASM19-44	●
32	GMASM32-44		●
44	GMASM44-44			●	●
50	GMASM50-44					●
55	GMASM55-44						●

19	※GMASM19-45	●
32	GMASM32-45		●
50	GMASM50-45				●
55	GMASM55-45					●
60	GMASM60-45						●

19	※GMASM19-55	●
38	GMASM38-55		●
50	GMASM50-55			●	●
55	GMASM55-55					●
65	GMASM65-55						●

19	※GMASM19-66	●
38	GMASM38-66		●
55	GMASM55-66			●	●
65	GMASM65-66					●
75	GMASM75-66						●

19	※GMASM19-77	●
44	GMASM44-77		●
60	GMASM60-77			●	●
75	GMASM75-77						●

25	※GMASM25-88	●
44	GMASM44-88		●
65	GMASM65-88				●
75	GMASM75-88					●
90	GMASM90-88						●