The Piping Engineering World

Metric Dimensions of Weldolets as per MSS-SP-97

Weldolet Dimensions Featured

Standard | Extra Strong | Schedule 160

Standard Weldolets

Weldolet Dimensions

NPS	A : Length Reducing	A : Length Full
1/8	16	NA
1/4	16	NA
3/8	19	NA
1/2	19	19
3/4	22	22
1	27	27
1-1/4	32	32
1-1/2	33	33
2	38	38
2-1/2	41	41
3	44	44
3-1/2	48	51
4	51	51
5	57	57
6	60	60
8	70	70
10	78	78
12	86	86
14	89	89
16	94	94
18	97	103
20	102	117
24	116	137

Extra Strong Weldolets

Threadolet Dimensions

NPS	A : Length Reducing	A : Length Full
1/8	16	NA
1/4	16	NA
3/8	19	NA
1/2	19	19
3/4	22	22
1	27	27
1-1/4	32	30
1-1/2	33	32
2	38	38
2-1/2	41	41
3	44	44
3-1/2	48	51
4	51	51
5	57	57
6	78	78
8	99	99
10	94	89
12	103	100
14	100	105
16	106	113
18	111	119
20	119	127
24	140	140

Schedule 160 Weldolets

Threadolet Dimensions

NPS	A : Length Reducing	A : Length Full
1/8	NA	NA
1/4	NA	NA
3/8	NA	NA
1/2	28	28
3/4	32	32
1	38	38
1-1/4	44	44
1-1/2	51	51
2	55	55
2-1/2	62	62
3	73	73
3-1/2	NA	NA
4	84	84
5	94	94
6	105	105
8	NA	NA
10	NA	NA
12	NA	NA
14	NA	NA
16	NA	NA
18	NA	NA
20	NA	NA
24	NA	NA