Union F/F 304/316
SMS/RJT/DIN Standards

Welding Neck SMS Standard

E	D	C	B	A	SIZE/mm
10	35.5	32	25	22.5	25
11	55	47.9	38	35.5	38
13	65	60.4	51	48.5	51
13	80	73.5	63.5	60.5	63
14	93	86.5	76.1	72.9	76
16	118	112.5	104	100	104

Welding Male SMS standard

F	E	D	C	B	A	SIZE/mm
15	25	32	RD40x1/6	25	22.5	25
20	38	48	RD60x1/6	38	35.5	38
20	51	61	RD70x1/6	51	48.5	51
24	63.5	73.5	RD85x1/6	63.5	60.5	63
24	76.1	86	RD98x1/6	76.1	72.9	76
27	104	116	RD125x1/4	104	100	104

Round Nut SMS Standard

D	C	B	A	SIZE/mm
17.2	RD40x1/6	49	32.3	25
22	RD60x1/6	70	48.5	38
23	RD70x1/6	80	61.0	51
27	RD85x1/6	96	74.0	63
28.5	RD98x1/6	110	87.0	76
31	RD125x1/4	136	113.0	104

Seal Ring EPDM/Silicon SMS Standard

C	B	A	SIZE/mm
31.8	25.1	22.8	25
47.8	38.1	35.8	38
60.8	51.1	48.8	51
73.3	63.6	61.0	63
85.8	76.1	73.4	76
115.7	104.0	100.5	104

End CupSMS Standard

D	C	B	A	SIZE/mm
7.5	3.5	35.5	32.0	25
9.0	5.0	55.0	48.0	38
10.0	5.0	65.0	60.0	51
10.0	5.0	80.0	73.5	63
11.0	5.0	93.0	86.0	76
11.0	6.0	118.0	112.0	104

Welding Neck RJT Standard

E	D	C	B	A	SIZE/mm
10	35.5	32	25	22.5	"1
11	55	47.9	38	35.5	"1.5
13	65	60.4	51	48.5	"2.0
13	80	73.5	63.5	60.5	"2.5
14	93	86.5	76.1	72.9	"3.0
16	118	112.5	104	100	"4.0
23.5	169.1	161.8	152.4	148.0	"6.0

Welding Male RJT Standard

C	A	B	A	SIZE/mm
27	45.72x8T WHIT	25.4	22.1	"1
27	58.42x8T WHIT	38.1	34.8	"1.5
27	72.72x6T WHIT	51	47.5	"2.0
27	85.42x6T WHIT	63.5	60.2	"2.5
27	98.12x6T WHIT	76.1	72.9	"3.0
27	123.52x6T WHIT	104	97.6	"4.0
24	174.32x6T WHIT	152.4	148.0	"6.0

Round Nut RJT Standard

Slots	C	B	A	SIZE/mm
	33.45	58.5	42.266x8 TPI WHIT	"1
4	46.0	74.0	54.966x8 TPI WHIT	"1.5
6	58.67	85.5	67.920x6 TPI WHIT	"2
6	71.4	98.5	80.620x6 TPI WHIT	"2.5
8	84.1	111.6	93.320x6 TPI WHIT	"3
8	109.7	138.0	119.0x6 TPI WHIT	"4
10	163.0	197.0	169.520x6 TPI WHIT	"6

End Cup RJT Standard

D	C	SIZE/mm
32.5	41.3	"1
45.2	54	"1.5
57.9	66.7	"2
70.6	79.4	"2.5
83.3	92.1	"3
108.7	117.5	"4

Seal Ring RJT

C	B	A	SIZE/mm
3.2	6.6	33.3	"1.0
3.2	6.6	46.0	"1.5
3.2	6.6	58.7	"2.0
3.2	6.6	71.4	"2.5
3.2	6.6	84.1	"3.0
3.2	6.6	109.5	"4.0
3.2	6.6	162.6	"6.0

Welding neck DIN Standard

F	E	D	C	B	A	SIZE/mm
17	6	22	18	13	10	10
17	6	28	24	19	16	15
18	8	36	30	23	20	20
22	10	44	35	29	26	25
25	10	50	41	35	32	32
26	10	56	48	41	38	40
28	11	68	61	53	50	50
32	12	86	79	70	66	65
37	12	100	93	85	81	80
35	15	111	103	93	89	90
44	15	121	114	104	100	100
34	17	150	137	129	125	125
37	18	176	163	154	150	150

Welding Male DIN Standard

G	F	E	D	C	B	A	SIZE/mm
4	21	12	20	RD 28x1/8	10	13	10
4	21	18	26	RD 34x1/8	16	19	15
6	24	23	33	RD 44x1/6	20	23	20
7	29	30	40	RD 52x1/6	26	29	25
7	32	36	46	RD 58x1/6	32	35	32
7	33	42	52	RD 65x1/6	38	41	40
7	35	54	64	RD 78x1/6	50	53	50
8	40	71	81	RD 95x1/6	66	70	65
8	45	85	95	RD 110x1/4	81	85	80
10	45	104	114	RD 120x1/4	89	93	90
10	54	104	114	RD 130x1/4	100	104	100
12	46	130	142	RD 160x1/4	125	129	125
13	50	155	167	RD 190x1/4	150	154	150

Round Nut DIN Standard

Slots	D	C	B	A	SIZE/mm
4	18	19	RD 28x1/8	38	10
4	18	25	RD 34x1/8	44	15
4	21	31	RD 44x1/6	54	20
4	21	36	RD 52x1/6	63	25
4	21	42	RD 58x1/6	70	32
4	21	49	RD 65x1/6	78	40
4	22	62	RD 78x1/6	92	50
6	25	80	RD 95x1/6	112	65
6	30	94	RD 110x1/4	127	80
6	30	104	RD 120x1/4	138	90
6	31	115	RD 130x1/4	148	100
6	35	138	RD 160x1/4	178	125
6	40	164	RD 190x1/4	210	150

Seal Ring EPDM/Silicon DIN

C	B	A	SIZE/mm
33	23	4.5	20
40	30	5	25
46	36	5	32
52	42	5	40
64	54	5	50
81	71	5	65
95	85	5	80
114	104	5	100

End Cup DIN

D	C	B	A	SIZE/mm
6	9	22.5	18	10
6	9	28.5	24	15
8	11	36.5	30	20
10	13	44	35	25
10	13	50	41	32
10	13	56	48	40
11	14	68.5	61	50
12	16	86	79	65
12	16	100	93	80
15	20	121	114	100
17	22	150	137	125
18	24	176	163	150