FLANGE SPECIFICATION TABLES

Nominal Size 15

Table	Flange Dia.	P.C.D	Hole Dia.	No. of Holes	Bolt Dia.	Raised face d x h	Thichness (mm)
BS 4504 6	80.0	55.0	11.0	4	M10	40.0 x 2.0	12.0
BS 4504 10	95.0	65.0	14.0	4	M12	45.0 x 2.0	14.0
BS 4504 16	95.0	65.0	14.0	4	M12	45.0 x 2.0	14.0
BS 4504 25	95.0	65.0	14.0	4	M12	45.0 x 2.0	16.0
BS 4504 40	95.0	65.0	14.0	4	M12	45.0 x 2.0	16.0
BS 4504 64
BS 4504 100
ASA 150	88.9	60.3	15.9	4	12.7	34.9 x 1.6	11.1
ASA 300	95.2	66.7	15.9	4	12.7	34.9 x 1.6	14.3
ASA 400
ASA 600	95.2	66.7	15.9	4	12.7	34.9 x 6.4	14.3
ASA 25
ASA 125
ASA 250
BS 10 D	95.3	66.7	14.3	4	12.7		4.8
BS 10 E	95.3	66.7	14.3	4	12.7		6.3
BS 10 F	95.3	66.7	14.3	4	12.7		9.5
BS 10 G

Nominal Size 20

Table	Flange Dia.	P.C.D	Hole Dia.	No. of Holes	Bolt Dia.	Raised face d x h	Thichness (mm)
BS 4504 6	90.0	65.0	11.0	4	M10	50.0 x 2.0	14.0
BS 4504 10	105.0	75.0	14.0	4	M12	58.0 x 2.0	16.0
BS 4504 16	105.0	75.0	14.0	4	M12	58.0 x 2.0	16.0
BS 4504 25	105.0	75.0	14.0	4	M12	58.0 x 2.0	18.0
BS 4504 40	105.0	75.0	14.0	4	M12	58.0 x 2.0	18.0
BS 4504 64
BS 4504 100
ASA 150	98.4	69.8	15.9	4	12.7	42.9 x 1.6	12.7
ASA 300	117.5	82.5	19.0	4	15.9	42.9 x 1.6	15.9
ASA 400
ASA 600	117.5	82.5	19.0	4	15.9	42.9 x 6.4	15.9
ASA 25
ASA 125
ASA 250
BS 10 D	101.6	73.0	14.2	4	12.7		4.8
BS 10 E	101.6	73.0	14.2	4	12.7		6.3
BS 10 F	101.6	73.0	14.2	4	12.7		9.5
BS 10 G

Nominal Size 25

Table	Flange Dia.	P.C.D	Hole Dia.	No. of Holes	Bolt Dia.	Raised face d x h	Thichness (mm)
BS 4504 6	100.0	75.0	11.0	4	M10	60.0 x 2.0	14.0
BS 4504 10
BS 4504 16	115.0	85.0	14.0	4	M12	68.0 x 2.0	16.0
BS 4504 25	115.0	85.0	14.0	4	M12	68.0 x 2.0	18.0
BS 4504 40	115.0	85.0	14.0	4	M12	68.0 x 2.0	18.0
BS 4504 64
BS 4504 100	140.0	100.0	18.0	4	M16	68.0 x 2.0	24.0
ASA 150	108.0	79.4	15.9	4	12.7	50.8 x 1.6	14.3
ASA 300	123.8	88.9	19.0	4	15.9	50.8 x 1.6	17.5
ASA 400
ASA 600	123.8	88.9	19.0	4	15.9	50.8 x 1.6	17.5
ASA 25
ASA 125	108.0	79.4	15.9	4	12.7
ASA 250	123.8	88.9	19.0	4	15.9	68.3 x 1.6
BS 10 D	114.3	82.6	14.3	4	12.7		12.7
BS 10 E	114.3	82.6	14.3	4	12.7		12.7
BS 10 F	120.6	87.3	17.5	4	15.9		12.7
BS 10 H	120.6	87.3	17.5	4	15.9	63.5 x 1.6	14.3

Nominal Size 32

Table	Flange Dia.	P.C.D	Hole Dia.	No. of Holes	Bolt Dia.	Raised face d x h	Thichness (mm)
BS 4504 6	120.0	90.0	14.0	4	M12	70.0 x 2.0	14.0
BS 4504 10
BS 4504 16	140.0	100.0	18.0	4	M16	78.0 x 2.0	16.0
BS 4504 25	140.0	100.0	18.0	4	M16	78.0 x 2.0	18.0
BS 4504 40	140.0	100.0	18.0	4	M16	78.0 x 2.0	18.0
BS 4504 64
BS 4504 100	155.0	110.0	22.0	4	M20	78.0 x 2.0	24.0
ASA 150	117.5	88.9	15.9	4	12.7	63.5 x 1.6	15.9
ASA 300	133.4	98.4	19.0	4	15.9	63.5 x 1.6	19.0
ASA 400
ASA 600	133.4	98.4	19.0	4	15.9	63.5 x 1.6	20.6
ASA 25
ASA 125	117.5	88.9	15.9	4	12.7
ASA 250	133.4	98.4	19.0	4	15.9	77.8 x 1.6
BS 10 D	120.6	87.3	14.3	4	12.7		12.7
BS 10 E	120.6	87.3	14.3	4	12.7		12.7
BS 10 F	133.4	98.4	17.5	4	15.9		12.7
BS 10 H	133.4	98.4	17.5	4	15.9	76.2 x 1.6	17.5

Nominal Size 40

Table	Flange Dia.	P.C.D	Hole Dia.	No. of Holes	Bolt Dia.	Raised face d x h	Thichness (mm)
BS 4504 6	130.0	100.0	14	4	M12	80.0 x 3.0	14.0
BS 4504 10
BS 4504 16	150.0	110.0	18	4	M16	88.0 x 3.0	16.0
BS 4504 25	150.0	110.0	18	4	M16	88.0 x 3.0	18.0
BS 4504 40	150.0	110.0	18	4	M16	88.0 x 3.0	18.0
BS 4504 64
BS 4504 100	170.0	125.0	22	4	M20	88.0 x 3.0	26.0
ASA 150	127.0	98.4	15.9	4	12.7	73.0 x 1.6	17.5
ASA 300	155.6	114.3	22.2	4	19.0	73.0 x 1.6	20.6
ASA 400
ASA 600	155.6	114.3	22.2	4	19.0	73.0 x 1.6	22.2
ASA 25
ASA 125	127.0	98.4	15.9	4	12.7
ASA 250	155.6	114.3	22.2	4	19.0	90.5 x 1.6
BS 10 D	133.6	98.4	14.3	4	12.7		12.7
BS 10 E	133.4	98.4	14.3	4	12.7		12.7
BS 10 F	139.7	104.8	17.5	4	15.9		12.7
BS 10 H	139.7	104.8	17.5	4	15.9	82.6 x 1.6	17.5

Nominal Size 50

Table	Flange Dia.	P.C.D	Hole Dia.	No. of Holes	Bolt Dia.	Raised face d x h	Thichness (mm)
BS 4504 6	140.0	110.0	14.0	4	M12	90.0 x 3.0	14.0
BS 4504 10
BS 4504 16	165.0	125.0	18.0	4	M16	102.0 x 3.0	18.0
BS 4504 25	165.0	125.0	18.0	4	M16	102.0 x 3.0	20.0
BS 4504 40	165.0	125.0	18.0	4	M16	102.0 x 3.0	20.0
BS 4504 64	180.0	135.0	22.0	4	M20	102.0 x 3.0	26.0
BS 4504 100	195.0	145.0	26.0	4	M24		28.0
ASA 150	152.4	120.6	19.0	4	15.9	92.0 x 1.6	19.0
ASA 300	165.1	127.0	19.0	8	15.9	92.0 x 1.6	22.2
ASA 400
ASA 600	165.1	127.0	19.0	8	15.9	92.0 x 6.3	25.4
ASA 25
ASA 125	152.4	120.6	19.0	4	15.9
ASA 250	165.1	127.0	19.0	8	15.9	106.4 x 1.6
BS 10 D	152.4	114.3	17.5	4	15.9		12.7
BS 10 E	152.4	114.3	17.5	4	15.9		12.7
BS 10 F	165.1	127.0	17.5	4	15.9		15.9
BS 10 H	165.1	127.0	17.5	4	15.9	101.6 x 1.6	19.0

Nominal Size 65

Table	Flange Dia.	P.C.D	Hole Dia.	No. of Holes	Bolt Dia.	Raised face d x h	Thichness (mm)
BS 4504 6	160.0	130.0	14.0	4	M12	110.0 x 3.0	14.0
BS 4504 10
BS 4504 16	185.0	145.0	18.0	4	M16	122.0 x 3.0	18.0
BS 4504 25	185.0	145.0	18.0	8	M16	122.0 x 3.0	22.0
BS 4504 40	185.0	145.0	18.0	8	M16	122.0 x 3.0	22.0
BS 4504 64	205.0	160.0	22.0	8	M20	122.0 x 3.0	26.0
BS 4504 100	220.0	170.0	26.0	8	M24	122.0 x 3.0	30.0
ASA 150	177.8	139.7	19.0	4	15.9	104.8 x 1.6	22.2
ASA 300	190.5	149.2	22.2	8	19.0	104.8 x 1.6	25.4
ASA 400
ASA 600	190.5	149.2	22.2	8	19.0	104.8 x 1.6	28.6
ASA 25
ASA 125	177.9	139.7	19.0	4	15.9
ASA 250	190.5	149.2	22.2	8	19.0	125.4 x 1.6
BS 10 D	165.1	127.0	17.5	4	15.9		12.7
BS 10 E	165.1	127.0	17.5	4	15.9		12.7
BS 10 F	184.2	146.0	17.5	8	15.9		15.9
BS 10 H	184.2	146.0	17.5	8	15.9	114.3 x 1.6	19.0

Nominal Size 80

Table	Flange Dia.	P.C.D	Hole Dia.	No. of Holes	Bolt Dia.	Raised face d x h	Thichness (mm)
BS 4504 6	190.0	150.0	18.0	4	M16	128.0 x 3.0	16.0
BS 4504 10	200.0	160.0	18.0	8	M16	138.0 x 3.0	20.0
BS 4504 16	200.0	160.0	18.0	8	M16	138.0 x 3.0	20.0
BS 4504 25	200.0	160.0	18.0	8	M16	138.0 x 3.0	24.0
BS 4504 40	200.0	160.0	18.0	8	M16	138.0 x 3.0	24.0
BS 4504 64	215.0	170.0	22.0	8	M20	138.0 x 3.0	28.0
BS 4504 100	230.0	180.0	26.0	8	M24	138.0 x 3.0	32.0
ASA 150	190.5	152.4	19.0	4	15.9	127.0 x 1.6	23.8
ASA 300	209.6	168.3	22.2	8	19.0	127.0 x 1.6	28.6
ASA 400
ASA 600	209.6	168.3	22.2	8	19.0	127.0 x 6.3	31.8
ASA 25
ASA 125	190.5	152.4	19.0	4	15.9
ASA 250	209.6	168.3	22.2	8	19.0	144.5 x 1.6
BS 10 D	184.2	146.0	17.5	4	15.9		12.7
BS 10 E	184.2	146.0	17.5	4	15.9		12.7
BS 10 F	203.2	165.1	17.5	8	15.9		15.9
BS 10 H	203.2	165.1	17.5	8	15.9	127.0 x 1.6	22.2

Nominal Size 100

Table	Flange Dia.	P.C.D	Hole Dia.	No. of Holes	Bolt Dia.	Raised face d x h	Thichness (mm)
BS 4504 6	210.0	170.0	18.0	4	M16	148.0 x 3.0	16.0
BS 4504 10	220.0	180.0	18.0	8	M16	158.0 x 3.0	20.0
BS 4504 16	220.0	180.0	18.0	8	M16	158.0 x 3.0	20.0
BS 4504 25	235.0	190.0	22.0	8	M20	162.0 x 3.0	24.0
BS 4504 40	235.0	190.0	22.0	8	M20	162.0 x 3.0	24.0
BS 4504 64	250.0	200.0	26.0	8	M24	162.0 x 3.0	30.0
BS 4504 100	265.0	210.0	30.0	8	M27	162.0 x 3.0	36.0
ASA 150	228.6	190.5	19.0	8	15.9	157.2 x 1.6	23.8
ASA 300	254.0	200.0	22.0	8	19.0	157.2 x 1.6	31.8
ASA 400	254.0	200.0	25.4	8	22.2	157.2 x 6.3	34.9
ASA 600	273.0	215.9	25.4	8	22.2	157.2 x 6.3	38.1
ASA 25	228.6	190.5	19.0	8	15.9
ASA 125	228.6	190.5	19.0	8	15.9
ASA 250	254.0	200.0	22.2	8	19.0	176.2 x 1.6
BS 10 D	215.9	177.8	17.5	4	15.9		12.7
BS 10 E	215.9	177.8	17.5	8	15.9		12.7
BS 10 F	228.6	190.5	17.5	8	15.9		19.0
BS 10 H	228.6	190.5	17.5	8	15.9	152.4 x 1.6	25.4

Nominal Size 125

Table	Flange Dia.	P.C.D	Hole Dia.	No. of Holes	Bolt Dia.	Raised face d x h	Thichness (mm)
BS 4504 6	240.0	200.0	18.0	8	M16	178.0 x 3.0	18.0
BS 4504 10	250.0	210.0	18.0	8	M16	188.0 x 3.0	22.0
BS 4504 16	250.0	210.0	18.0	8	M16	188.0 x 3.0	22.0
BS 4504 25	270.0	220.0	26.0	8	M24	188.0 x 3.0	26.0
BS 4504 40	270.0	220.0	26.0	8	M24	188.0 x 3.0	26.0
BS 4504 64	295.0	240.0	30.0	8	M27	188.0 x 3.0	34.0
BS 4504 100	315.0	250.0	33.0	8	M30	188.0 x 3.0	40.0
ASA 150	254.0	215.9	22.2	8	19.0	185.7 x 1.6	23.8
ASA 300	279.4	235.0	22.2	8	19.0	185.7 x 1.6	34.9
ASA 400	279.4	235.0	25.4	8	22.2	185.7 x 6.3	38.1
ASA 600	330.2	266.7	28.6	8	25.4	185.7 x 6.3	44.4
ASA 25	254.0	215.9	19.0	8	15.9
ASA 125	254.0	215.9	22.2	8	19.0
ASA 250	279.4	235.0	22.2	8	19.0	211.1 x 1.6
BS 10 D	254.0	209.6	17.5	8	15.9		12.7
BS 10 E	254.0	209.6	17.5	8	15.9		14.3
BS 10 F	279.4	235.0	22.2	8	19.0		22.2
BS 10 H	279.4	235.0	22.2	8	19.0	177.8 x 1.6	28.6

Nominal Size 150

Table	Flange Dia.	P.C.D	Hole Dia.	No. of Holes	Bolt Dia.	Raised face d x h	Thichness (mm)
BS 4504 6	265.0	225.0	18.0	8	M16	202.0 x 3.0	18.0
BS 4504 10	285.0	240.0	22.0	8	M20	212.0 x 3.0	22.0
BS 4504 16	285.0	240.0	22.0	8	M20	212.0 x 3.0	22.0
BS 4504 25	300.0	250.0	26.0	8	M24	218.0 x 3.0	28.0
BS 4504 40	300.0	250.0	26.0	8	M24	218.0 x 3.0	28.0
BS 4504 64	345.0	280.0	33.0	8	M30	218.0 x 3.0	36.0
BS 4504 100	355.0	290.0	33.0	12	M30	218.0 x 3.0	44.0
ASA 150	279.4	241.3	22.2	8	19.0	215.9 x 1.6	25.4
ASA 300	317.5	269.9	22.2	12	19.0	215.9 x 1.6	36.5
ASA 400	317.5	269.9	25.4	12	22.2	215.9 x 6.3	41.3
ASA 600	355.6	292.1	28.6	12	25.4	215.9 x 6.3	47.6
ASA 25	279.4	241.3	19.0	8	15.9
ASA 125	279.4	241.3	22.2	8	19.0
ASA 250	317.5	269.9	22.2	12	19.0	246.1 x 1.6
BS 10 D	279.4	235.0	17.5	8	15.9		12.7
BS 10 E	279.4	235.0	22.2	8	19.0		17.5
BS 10 F	304.8	260.4	22.2	12	19.0		22.2
BS 10 H	304.8	260.4	22.2	12	19.0	209.6 x 1.6	28.6

Nominal Size 200

Table	Flange Dia.	P.C.D	Hole Dia.	No. of Holes	Bolt Dia.	Raised face d x h	Thichness (mm)
BS 4504 6	320.0	280.0	18.0	8	M16	258.0 x 3.0	20.0
BS 4504 10	340.0	295.0	22.0	8	M20	268.0 x 3.0	24.0
BS 4504 16	340.0	295.0	22.0	12	M20	268.0 x 3.0	24.0
BS 4504 25	360.0	310.0	26.0	12	M24	278.0 x 3.0	30.0
BS 4504 40	375.0	320.0	30.0	12	M27	285.0 x 3.0	34.0
BS 4504 64	415.0	345.0	36.0	12	M33	285.0 x 3.0	42.0
BS 4504 100	430.0	360.0	36.0	12	M33	285.0 x 3.0	52.0
ASA 150	342.9	298.4	22.2	8	19.0	269.9 x 1.6	28.6
ASA 300	381.0	330.2	25.4	12	22.2	269.9 x 1.6	41.3
ASA 400	381.0	330.0	28.6	12	25.4	269.9 x 6.3	47.6
ASA 600	419.1	349.2	31.8	12	28.6	269.9 x 6.3	55.6
ASA 25	342.9	298.4	19.0	8	15.9
ASA 125	342.9	298.4	22.2	8	19.0
ASA 250	381.0	330.2	25.4	12	22.2	303.2 x 1.6
BS 10 D	336.6	292.1	17.5	8	15.9		12.7
BS 10 E	336.6	292.1	22.2	8	19.0		19.0
BS 10 F	368.3	323.8	22.2	12	19.0		25.4
BS 10 H	368.3	323.8	22.2	12	19.0	260.4 x 1.6	31.8

Nominal Size 250

Table	Flange Dia.	P.C.D	Hole Dia.	No. of Holes	Bolt Dia.	Raised face d x h	Thichness (mm)
BS 4504 6	375.0	335.0	18.0	12	M16	312.0 x 3.0	22.0
BS 4504 10	395.0	350.0	22.0	12	M20	320.0 x 3.0	26.0
BS 4504 16	405.0	355.0	26.0	12	M24	320.0 x 3.0	26.0
BS 4504 25	425.0	370.0	30.0	12	M27	335.0 x 3.0	32.0
BS 4504 40	450.0	385.0	33.0	12	M30	345.0 x 3.0	38.0
BS 4504 64	470.0	400.0	36.0	12	M33	345.0 x 3.0	46.0
BS 4504 100	505.0	430.0	36.0	12	M36	345.0 x 3.0	60.0
ASA 150	406.4	362.0	25.4	12	22.2	323.8 x 1.6	30.2
ASA 300	444.5	387.4	28.6	16	25.4	323.8 x 1.6	47.06
ASA 400	444.5	387.4	31.8	16	28.6	323.8 x 6.3	54.0
ASA 600	508.0	431.8	34.9	16	31.8	323.8 x 6.3	63.5
ASA 25	406.4	362.0	19.0	12	15.9
ASA 125	406.4	362.0	25.4	12	22.2
ASA 250	444.5	387.4	28.6	16	25.4	357.2 x 1.6
BS 10 D	406.4	355.6	22.2	8	19.0		15.9
BS 10 E	406.4	355.6	22.2	12	19.0		22.2
BS 10 F	431.8	381.0	25.4	12	22.2		28.6
BS 10 H	431.8	381.0	25.4	12	22.2	311.2 x 1.6	34.9

Nominal Size 300

Table	Flange Dia.	P.C.D	Hole Dia.	No. of Holes	Bolt Dia.	Raised face d x h	Thichness (mm)
BS 4504 6	440.0	395.0	22.0	12	M20	365.0 x 4.0	22.0
BS 4504 10	445.0	400.0	22.0	12	M20	370.0 x 4.0	26.0
BS 4504 16	460.0	410.0	26.0	12	M24	378.0 x 4.0	28.0
BS 4504 25	485.0	430.0	30.0	16	M27	395.0 x 4.0	34.0
BS 4504 40	515.0	450.0	33.0	16	M30	410.0 x 4.0	42.0
BS 4504 64	530.0	460.0	36.0	16	M33	410.0 x 4.0	52.0
BS 4504 100	585.0	500.0	42.0	16	M39	410.0 x 4.0	68.0
ASA 150	482.6	431.8	25.4	12	22.2	381.0 x 1.6	31.8
ASA 300	520.7	450.8	31.8	16	28.6	381.0 x 1.6	50.8
ASA 400	520.7	450.8	34.9	16	31.8	381.0 x 6.3	57.2
ASA 600	558.8	489.0	34.9	20	31.8	381.0 x 6.3	66.7
ASA 25	482.6	431.8	19.0	12	15.9
ASA 125	482.6	431.8	25.4	12	22.2
ASA 250	520.7	450.7	31.75	16	28.6	417.5 x 1.6
BS 10 D	457.2	406.4	22.2	12	19.0		19.0
BS 10 E	457.2	406.4	25.4	12	22.2		25.4
BS 10 F	489.0	438.2	25.4	16	22.2		31.8
BS 10 H	489.0	438.2	25.4	16	22.2	362.0 x 1.6	41.3