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Blind Flanges

ANSI B 16.5 Class 150 lb

Stainless Steel : ASTM A 182, A 240

Grade : F304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L, Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel UNS S32750

Carbon Steel : ASTM A 105, ASTM A 181

Alloy Steel : ASTM A 182, GR F1, F11, F22, F5, F9, F91

Nickel Alloys : Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276

Copper Alloys : Copper, Brass & Gunmetal

Size : 1/8" NB TO 48"NB.

Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #.

Standard
ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48

DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673

B.S : BS4504 , BS4504, BS1560, BS10

Pipe		Flange Data		Raised Face	Drilling Data			Weight
		A	C	G	H	I	J


	Outside Diameter In Mm	Overall Diameter In Mm	Flange Thickness min In Mm	Face Diameter In Mm	Number of Holes	Bolt Hole Diameter In Mm	Diameter of Circle of Holes In Mm	Kg/ Piece
½	0.840	3.500	0.440	1.380	4	0.620	2.380	0.42
½	21.30	88.90	11.20	35.10		15.70	60.45
¾	1.050	3.880	0.500	1.690	4	0.620	2.750	0.61
¾	26.70	98.60	12.70	42.90		15.70	69.85
1	1.315	4.250	0.560	2.000	4	0.620	3.120	0.86
1	33.40	108.0	14.20	50.80		15.70	79.25
1 ¼	1.660	4.620	0.620	2.500	4	0.620	3.500	1.17
1 ¼	42.20	117.3	15.70	63.50		15.70	88.90
1 ½	1.900	5.000	0.690	2.880	4	0.620	3.880	1.53
1 ½	48.30	127.0	17.50	73.15		15.70	98.60
2	2.375	6.000	0.750	3.620	4	0.750	4.750	2.42
2	60.30	152.4	19.10	91.90		19.10	120.7
2 ½	2.875	7.000	0.880	4.120	4	0.750	5.500	3.94
2 ½	73.00	177.8	22.40	104.6		19.10	139.7
3	3.500	7.500	0.940	5.000	4	0.750	6.000	4.93
3	88.90	190.5	23.90	127.0		19.10	152.4
3 ½	4.000	8.500	0.940	5.500	8	0.750	7.000	6.17
3 ½	101.6	215.9	23.90	139.7		19.10	177.8
4	4.500	9.000	0.940	6.190	8	0.750	7.500	7.00
4	114.3	228.6	23.90	157.2		19.10	190.5
5	5.563	10.00	0.940	7.310	8	0.880	8.500	8.63
5	141.3	254.0	23.90	185.7		22.40	215.9
6	6.625	11.00	1.000	8.500	8	0.880	9.500	11.3
6	168.3	279.4	25.40	215.9		22.40	241.3
8	8.625	13.50	1.120	10.62	8	0.880	11.75	19.6
8	219.1	342.9	28.40	269.7		22.40	298.5
10	10.75	16.00	1.190	12.75	12	1.000	14.25	28.8
10	273.0	406.4	30.20	323.8		25.40	362.0
12	12.75	19.00	1.250	15.00	12	1.000	17.00	43.2
12	323.8	482.6	31.75	381.0		25.40	431.8
14	14.00	21.00	1.380	16.25	12	1.120	18.75	58.1
14	355.6	533.4	35.10	412.7		28.40	476.3
16	16.00	23.50	1.440	18.50	16	1.120	21.25	76.0
16	406.4	596.9	36.60	469.9		28.40	539.8
18	18.00	25.00	1.560	21.00	16	1.250	22.75	93.7
18	457.2	635.0	39.60	533.4		31.75	577.9
20	20.00	27.50	1.690	23.00	20	1.250	25.00	122
20	508.0	698.5	42.90	584.2		31.75	635.0
24	24.00	32.00	1.880	27.25	20	1.380	29.50	185
24	609.6	812.8	47.80	692.1		35.10	749.3

Notes

Weights are based on manufacturer's data and are approximate.
Flat face flanges may be provided at full thickness, C, or with raised face removed (the latter is non standard)

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ANSI B 16.5 Class 300 lb

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Pipe		Flange Data		Raised Face	Drilling Data			Weight
		A	C	G	H	I	J


	Outside Diameter In Mm	Overall Diameter In Mm	Flange Thickness min In Mm	Face Diameter In Mm	Number of Holes	Bolt Hole Diameter In Mm	Diameter of Circle of Holes In Mm	Kg/ Piece
½	0.840	3.750	0.560	1.380	4	0.620	2.620	0.64
½	21.30	95.30	14.20	35.10		15.70	66.55
¾	1.050	4.620	0.620	1.690	4	0.750	3.250	1.11
¾	26.70	117.3	15.70	42.90		19.00	82.50
1	1.315	4.880	0.690	2.000	4	0.750	3.500	1.39
1	33.40	124.0	17.50	50.80		19.00	88.90
1 ¼	1.660	5.250	0.750	2.500	4	0.750	3.880	1.79
1 ¼	42.20	133.4	19.00	63.50		19.00	98.50
1 ½	1.900	6.120	0.810	2.880	4	0.880	4.500	2.66
1 ½	48.30	155.4	20.60	73.15		22.30	114.3
2	2.375	6.500	0.880	3.620	8	0.750	5.000	3.18
2	60.30	165.1	22.30	91.90		19.00	127.0
2 ½	2.875	7.500	1.000	4.120	8	0.880	5.880	4.85
2 ½	73.00	190.5	25.40	104.6		22.30	149.3
3	3.500	8.250	1.120	5.000	8	0.880	6.620	6.81
3	88.90	209.6	28.40	127.0		22.30	168.1
3 ½	4.000	9.000	1.190	5.500	8	0.880	7.250	8.71
3 ½	101.6	228.6	30.20	139.7		22.30	184.1
4	4.500	10.00	1.250	6.190	8	0.880	7.880	11.5
4	114.3	254.0	31.70	157.2		22.30	200.1
5	5.563	11.00	1.380	7.310	8	0.880	9.250	15.6
5	141.3	279.4	35.00	185.7		22.30	234.9
6	6.625	12.50	1.440	8.500	12	0.880	10.62	20.9
6	168.3	317.5	36.50	215.9		22.30	269.7
8	8.625	15.00	1.620	10.62	12	1.000	13.00	34.3
8	219.1	381.0	41.10	269.7		25.40	330.2
10	10.75	17.50	1.880	12.75	16	1.120	15.25	53.3
10	273.0	444.5	47.70	323.8		28.40	387.3
12	12.75	20.50	2.000	15.00	16	1.250	17.75	78.8
12	323.8	520.7	50.80	381.0		31.70	450.8
14	14.00	23.00	2.120	16.25	20	1.250	20.25	105
14	355.6	584.2	53.80	412.7		31.70	514.3
16	16.00	25.50	2.250	18.50	20	1.380	22.50	137
16	406.4	647.7	57.15	469.9		35.00	571.5
18	18.00	28.00	2.380	21.00	24	1.380	24.75	175
18	457.2	711.2	60.45	533.4		35.00	628.6
20	20.00	30.50	2.500	23.00	24	1.380	27.00	221
20	508.0	774.7	63.50	584.2		35.00	685.8
24	24.00	36.00	2.750	27.25	24	1.620	32.00	339
24	609.6	914.4	69.85	692.1		41.10	812.8

Notes

Weights are based on manufacturer's data and are approximate.
Flat face flanges may be provided at full thickness, C, or with raised face removed (the latter is non standard)

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ANSI B 16.5 Class 600 lb

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Pipe		Flange Data		Raised Face	Drilling Data			Weight
		A	C	G	H	I	J


	Outside Diameter In Mm	Overall Diameter In Mm	Flange Thickness min In Mm	Face Diameter In Mm	Number of Holes	Bolt Hole Diameter In Mm	Diameter of Circle of Holes In Mm	Kg/ Piece
½	0.840	3.750	0.560	1.380	4	0.620	2.620	0.76
½	21.30	95.30	14.20	35.10		15.70	66.55
¾	1.050	4.620	0.620	1.690	4	0.750	3.250	1.28
¾	26.70	117.3	15.70	42.90		19.10	82.60
1	1.315	4.880	0.690	2.000	4	0.750	3.500	1.60
1	33.40	124.0	17.50	50.80		19.10	88.90
1 ¼	1.660	5.250	0.810	2.500	4	0.750	3.880	2.23
1 ¼	42.20	133.4	20.60	63.50		19.10	98.60
1 ½	1.900	6.120	0.880	2.880	4	0.880	4.500	3.25
1 ½	48.30	155.4	22.40	73.15		22.40	114.3
2	2.375	6.500	1.000	3.620	8	0.750	5.000	4.15
2	60.30	165.1	25.40	91.90		19.10	127.0
2 ½	2.875	7.500	1.120	4.120	8	0.880	5.880	6.13
2 ½	73.00	190.5	28.40	104.6		22.40	149.4
3	3.500	8.250	1.250	5.000	8	0.880	6.620	8.44
3	88.90	209.5	31.75	127.0		22.40	168.1
3 ½	4.000	9.000	1.380	5.500	8	1.000	7.250	11.0
3 ½	101.6	228.6	35.10	139.7		25.40	184.2
4	4.500	10.75	1.500	6.190	8	1.000	8.500	17.3
4	114.3	273.1	38.10	157.2		25.40	215.9
5	5.563	13.00	1.750	7.310	8	1.120	10.50	29.4
5	141.3	330.2	44.50	185.7		28.40	266.7
6	6.625	14.00	1.880	8.500	12	1.120	11.50	36.1
6	168.3	355.6	47.80	215.9		28.40	292.1
8	8.625	16.50	2.190	10.62	12	1.250	13.75	58.9
8	219.1	419.1	55.60	269.7		31.75	349.3
10	10.75	20.00	2.500	12.75	16	1.380	17.00	97.5
10	273.0	508.0	63.50	323.8		35.10	431.8
12	12.75	22.00	2.620	15.00	20	1.380	19.25	124
12	323.8	558.8	66.55	381.0		35.10	489.0
14	14.00	23.75	2.750	16.25	20	1.500	20.75	151
14	355.6	603.3	69.85	412.7		38.10	527.1
16	16.00	27.00	3.000	18.50	20	1.620	23.75	214
16	406.4	685.8	76.20	469.9		41.10	603.3
18	18.00	29.25	3.250	21.00	20	1.750	25.75	272
18	457.2	743.0	82.60	533.4		44.50	654.1
20	20.00	32.00	3.500	23.00	24	1.750	28.50	349
20	508.0	812.8	88.90	584.2		44.50	723.9
24	24.00	37.00	4.000	27.25	24	2.000	33.00	533
24	609.6	939.8	101.6	692.1		50.80	838.2

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Notes

Weights are based on manufacturer's data and are approximate.

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