MSS SP83 Steel Pipe Unions Socket Welding and Threaded

MSS SP83 socket welding and threaded steel pipe union specification: 1/8 "-3", pressure rating: 3000 pounds, suitable for liquid, particle, gas transportation pipelines, such as chemical, refining, boiler, power, food and other fields.

Get A Quote >

Specifications of MSS SP83 Steel Pipe Unions Socket Welding and Threaded

Table 1 Class 3000 Carbon and Stainless Steel Pipe Unions-Threaded Ends

Class 3000 Carbon and Stainless Steel Pipe Unions-Threaded Ends

Nom. Pipe Size	Pipe End Min.	Wall Min.	Water Way Bore(A)	Male Flange Min.	Nut Min.	Threads per Inch	Bearing Min.	Length Assem Nominal	Clear Assem Nut
Nom. Pipe Size	A	C	D	F	G	H	J	L	N
1/8	0.58	0.095	0.332 0.253	0.125	0.125	16	0.049	1.63	2.0
1/4	0.75	0.119	0.438 0.372	0.125	0.125	16	0.049	1.63	2.0
3/8	0.90	0.126	0.562 0.532	0.135	0.135	14	0.054	1.81	2.2
1/2	1.09	0.147	0.703 0.672	0.145	0.145	14	0.059	1.93	2.3
3/4	1.32	0.154	0.906 0.842	0.160	0.160	11	0.066	2.24	2.6
1	1.63	0.179	1.141 1.092	0.180	0.175	11	0.073	2.44	3.1
1¼	1.99	0.191	1.484 1.392	0.210	0.205	10	0.084	2.80	3.7
1½	2.25	0.200	1.714 1.622	0.230	0.220	10	0.091	3.01	4.4
2	2.76	0.218	2.188 2.052	0.260	0.250	10	0.106	3.39	5.2
2½	3.36	0.276	2.609 2.532	0.295	0.280	8	0.121	4.03	5.9
3	4.03	0.300	3.250 3.042	0.325	0.315	8	0.139	4.29	6.9

NOTE:

(a) The contact diameter of the male/female tailpiece is collected by the waterway bore (Col. D). The manufacturer shall consider the relationships between the contact point and waterway diameter in his design.

Table 2 Class 3000 Carbon and Stainless Steel Pipe Unions - Socket Welding Ends

Class 3000 Carbon and Stainless Steel Pipe Unions - Socket Welding Ends

Nom. Pipe Size	Pipe End Min.	Socket Bore Dia.	Socket Wall Min.	Water Way Bore(a)	Laying Length	Male Flange Min.	Nut Min.	Threads Per Inch	Bearing Min.	Depth of Socket Min.	Length Assem. Nominal	Clear Assem. Nut
Nom. Pipe Size	A	B	C	D	E	F	G	H	J	K	L	N
1/8	0.86	0.440 0.420	0.125	0.299 0.239	0.88 0.75	0.125	0.125	16	0.049	0.38	1.63	2.0
1/4	0.86	0.575 0.555	0.130	0.394 0.334	0.88 0.75	0.125	0.125	16	0.049	0.38	1.63	2.0
3/8	1.02	0.710 0.690	0.138	0.523 0.463	1.06 0.81	0.135	0.135	14	0.054	0.38	1.81	2.2
1/2	1.23	0.875 0.855	0.161	0.652 0.592	1.06 0.81	0.145	0.145	14	0.059	0.38	1.93	2.3
3/4	1.46	1.085 1.065	0.168	0.854 0.794	1.25 1.00	0.160	0.160	11	0.066	0.50	2.24	2.6
1	1.79	1.350 1.330	0.196	1.079 1.019	1.35 1.03	0.180	0.175	11	0.073	0.50	2.44	3.1
1¼	2.16	1.695 1.675	0.208	1.410 1.350	1.60 1.28	0.210	0.205	10	0.084	0.50	2.80	3.7
1½	2.42	1.935 1.915	0.218	1.640 1.580	1.66 1.34	0.230	0.220	10	0.091	0.50	3.01	4.4
2	2.96	2.426 2.406	0.238	2.097 2.037	1.79 1.47	0.260	0.250	10	0.106	0.62	3.39	5.2
2½	3.61	2.931 2.906	0..302	2.529 2.409	2.43 2.05	0.295	0.280	8	0.121	0.62	4.03	5.9
3	4.30	3.560 3.535	0.327	3.128 3.008	2.51 2.11	0.325	0.315	8	0.139	0.62	4.29	6.9

NOTE: (a) The contact diameter of the male/female Lailpiece is affected by the waterway bore (Col. D). The manufacturer shall consider the relationships between the contact point and waterway diameter in his design.

Features of MSS SP83 Steel Pipe Unions Socket Welding and Threaded

KIDY is a service-oriented enterprise with a complete range of steel grades, regular specifications, and long-term stock of billets. The production cycle is fast, and non-standard sizes can be customized!

Steel Products