Composite Welding Neck Flange

Cu-Ni sealing collar backed by a carbon-steel ring, welding-neck form. Cuts cost while keeping a Cu-Ni wetted face.

Standards

EEMUA 145 (7060X collar + A105 ring)

Material

Cu-Ni 90/10 · Cu-Ni 70/30 (per spec)

Service

Marine & offshore seawater piping

Dimensions

Units in mm unless noted. Standard sizes shown; intermediate and larger sizes on request.

N/D	O/D	d1	d2	16Bar	20Bar	Type S	Type L	t1	D	C	D1	T	N	H
1/2"	16.0	40.0	18.0	2.0	2.0	35	51	4	89	60.3	19	14	4	15.9
3/4"	25.0	50.0	27.0	2.0	2.0	40	51	5	98	69.8	28	14	4	15.9
1"	30.0	60.0	32.0	2.5	2.5	40	51	5	108	79.4	363	14	4	15.9
1 1/4"	38.0	70.0	40.0	2.5	2.5	40	51	5	117	88.9	41	14	4	15.9
1 1/2"	44.5	80.0	46.5	2.5	2.5	45	51	6	127	98.4	48	14	4	15.9
2"	57.0	99.0	59.0	2.5	2.5	45	64	6	152	120.6	62	18	4	19.0
2 1/2"	76.1	120.0	78.0	2.5	2.5	45	64	6	178	139.7	81	18	4	19.0
3"	88.9	130.0	91.0	2.5	2.5	50	64	7	190	152.4	94	19	4	19.0
4"	108.0	158.0	110.0	3.0	3.0	50	76	7	229	190.5	113	24	8	19.0
6"	159.0	212.0	161.5	3.0	3.5	60	89	9	279	241.3	164	27	8	22.2
8"	219.1	270.0	222.0	4.0	4.5	50	102	9	343	298.4	225	31	8	22.2
10"	267.0	320.0	270.0	4.5	5.5	50	127	9	406	362.0	273	38	12	25.4
12"	323.9	370.0	327.0	5.5	7.0	50	152	11	483	431.8	3630	41	12	25.4
14"	368.0	430.0	371.0	6.5	8.0	50	125	11	533	476.2	374	45	12	28.6
16"	419.0	482.0	422.0	7.0	9.0	50	152	12	597	539.8	426	51	16	28.6
18"	457.2	530.0	460.0	8.0	9.5	50	152	12	635	577.8	465	52	16	31.8
20"	508.0	585.0	511.0	8.5	11.0	50	152	12	698	635.0	517	58	20	31.8
24"	610.0	685.0	613.0	10.5	13.0	60	152	14	813	749.3	618	71	20	34.9