DONG HWA TCA

Pipe and fitting manufacturer, copper and copper alloy tube and pipe, standard pipe, stainless steel pipe, flange

Name	WELD NECK
Series	FLANGE ( SOLID TYPE)

Product Description

Soild welding neck flanges 150 Lbs

MATERIAL :
- NAVINIC 10® CuNi10Fe1Mn
- NAVINIC 30® CuNi30Mn1Fe

DIMENSION : ANSI B16.5

Outside diameter of pipe ØD		ØA mm	H mm	C mm	ØX mm	ØR mm	Drilling			Theoretic- al weight
nominal inch	actual mm	ØA mm	H mm	C mm	ØX mm	ØR mm	ØG mm	N bolt holes	Ød mm	kg/ piece
1/2	20.0	88.9	47.6	11.1	30.2	34.9	60.3	4	15.9	0.68
3/4	25.0	98.4	52.4	12.7	38.1	42.9	69.8	4	15.9	0.91
1	30.0	107.9	55.6	14.3	49.2	50.8	79.4	4	15.9	1.25
1 1/4	38.0	117.5	57.1	15.9	58.7	63.5	88.9	4	15.9	1.58
1 1/2	44.5	127.0	61.9	17.5	65.1	73.0	98.4	4	15.9	2.05
2	57.0	152.4	63.5	19.1	77.8	92.10	120.6	4	19	3.05
2 1/2	76.1	177.8	69.8	22.2	90.5	104.8	139.7	4	19	5.10
3	88.9	190.5	69.8	23.8	107.9	127.0	152.4	4	19	5.20
4	108.0	228.6	76.2	23.8	134.9	157.2	190.5	8	19	7.90
5	133.0	254.0	88.9	23.8	163.5	185.7	215.9	8	22.2	10.10
6	159.0	279.4	88.9	25.4	192.1	215.9	241.3	8	22.2	12.20
8	219.1	342.9	101.6	28.6	246.1	269.9	298.4	8	22.2	20.00
10	267.0	406.4	101.6	30.2	304.8	323.8	361.9	12	25.4	27.00
12	323.9	482.6	114.3	31.8	365.1	381.0	431.8	12	25.4	42.00
14	368.0	533.4	127	34.9	400.0	425.1	476.2	12	28.6	53.00
16	419.1	596.9	127	36.5	457.2	482.6	539.7	16	28.6	66.00
18	457.2	635.0	139.7	39.7	504.8	533.4	577.8	16	31.7	72.00
20	508.0	698.5	144.5	42.9	558.8	584.2	635.0	20	31.7	87.00
24	610.0	812.8	152.4	47.6	663.6	692.1	749.3	20	34.9	134.00

Soild welding neck flanges 300 Lbs

MATERIAL :
- NAVINIC 10® CuNi10Fe1Mn
- NAVINIC 30® CuNi30Mn1Fe

DIMENSION : ANSI B16.5

Outside diameter of pipe ØD		ØA mm	H mm	C mm	ØX mm	ØR mm	Drilling			Theoretic- al weight
nominal inch	actual mm	ØA mm	H mm	C mm	ØX mm	ØR mm	ØG mm	N bolt holes	Ød mm	kg/ piece
1/2	20.0	95.2	52.4	14.3	38.1	34.9	66.7	4	15.9	1.72
3/4	25.0	117.5	57.1	15.9	47.6	42.9	82.5	4	19	2.06
1	30.0	123.8	61.9	17.5	54.0	50.8	88.9	4	19	2.29
1 1/4	38.0	133.3	65.1	19.0	63.5	63.5	98.4	4	19	2.86
1 1/2	44.5	155.6	68.3	20.6	69.8	73.0	114.3	4	22.2	4.01
2	57.0	165.1	69.8	22.2	84.1	92.1	127.0	8	19	4.58
2 1/2	76.1	190.5	76.2	25.4	100.0	104.8	149.2	8	22.2	5.73
3	88.9	209.5	79.4	28.6	117.5	127.0	168.3	8	22.2	8.02
4	108.0	254.0	85.7	31.8	146.1	157.2	200.0	8	22.2	12.60
5	133.0	279.4	98.4	34.9	177.8	185.7	234.9	8	22.2	17.90
6	159.0	317.5	98.4	36.5	206.4	215.9	269.9	12	22.2	21.76
8	219.1	381.0	111.1	41.3	260.4	269.9	330.2	12	25.4	34.35
10	267.0	444.5	117.5	47.6	320.7	323.8	387.3	16	28.6	46.95
12	323.9	520.7	130.2	50.8	374.6	381.0	450.8	16	31.7	70.99
14	368.0	584.2	142.9	54.0	425.4	425.1	514.3	20	31.7	96.18
16	419.1	647.7	146.1	57.2	482.6	482.6	571.5	20	34.9	127.10
18	457.2	711.2	158.7	60.3	533.3	533.4	626.6	24	34.9	158.01
20	508.0	774.7	161.9	63.5	587.4	584.2	685.8	24	34.9	195.80
24	610.0	914.4	168.3	69.8	701.7	692.1	812.8	24	41.3	283.00

Soild welding neck flanges 16 Bar/20 Bar

MATERIAL :
- NAVINIC 10® CuNi10Fe1Mn
- NAVINIC 30® CuNi30Mn1Fe

DIMENSION : EEMUA Pub. N。145

Outside diameter of pipe ØD		ØA mm	H mm	C mm	ØX mm	16Bar ØB mm	20Bar ØB mm	H1 mm	Drilling			Theoretical weight
nominal inch	actual mm	ØA mm	H mm	C mm	ØX mm	16Bar ØB mm	20Bar ØB mm	H1 mm	ØG mm	N bolt holes	Ød mm	16Bar kg/piece	20Bar kg/piece
1/2	16	89	48	14	23	12.00	12.00	8	60.3	4	15.9	15.9	0.74
3/4	25	98	52	16	32	21.00	21.00	7	69.8	4	15.9	15.9	1.04
1	30	108	56	16	42	25.00	25.00	8	79.4	4	15.9	15.9	1.36
1 1/4	38	117	57	17	51	33.03	33.03	8	88.9	4	15.9	15.9	1.70
1 1/2	44.5	127	62	20	61	39.53	39.53	7	98.4	4	15.9	15.9	2.38
2	57	152	64	25	73	52.16	52.16	9	120.6	4	19	19	3.93
2 1/2	76.1	178	70	27	91	71.23	71.23	8	139.7	4	19	19	5.62
3	88.9	190	70	27	105	84.08	84.08	8	152.4	4	19	19	6.27
4	108	229	76	27	135	102.13	102.13	8	190.5	8	19	19	9.53
6	159	279	89	27	192	153.75	152.38	8	241.3	8	22.2	22.2	13.99
8	219.1	343	98	27	246	211.10	210.10	8	298.4	8	22.2	22.2	21.57
10	267	406	98	31	305	257.97	255.93	8	362.0	12	25.4	25.4	30.47
12	323.9	483	98	31	365	312.83	309.74	8	431.8	12	25.4	25.4	46.56
14	368	533	99	35	400	354.22	351.00	8	476.2	12	28.6	28.6	59.49
16	419.1	597	106	41	457	404.17	399.84	8	539.8	16	28.6	28.6	78.03
18	457.2	635	113	43	505	441.50	438.50	8	577.8	16	31.8	31.8	91.08
20	508	698	118	45	559	490.50	486.50	8	635.0	20	31.8	31.8	110.65
24	610	813	137	45	664	589.50	584.50	8	749.3	20	34.9	34.9	160.79
28	711	927	145	49	748	687.50	681.50	8	864.0	28	34.9	34.9	249.09
32	813	1060	160	72	876	786.50	779.50	8	978.0	28	41.1	41.1	303.95
36	914	1168	175	72	984	883.50	876.50	8	1086.0	32	41.1	41.1	371.80