BS10 Table D Flange | British Standard BS10 E, F, J, H dimensions

Refer British Standard BS10 Table E, F, J, H dimensions and pressure rating

BS Flange Specifications

Specification	BS10 Table D Flange
Flange Test	Hydrostatic testing machine/ UI trasonic flaw detector/ X-ray detector/ Direct-reading Spectrograph/ Magnetic particle detector
Flange Equipment	Pushing Machine/ electric bevelling machine/ Press machine/ Bending machine/ Sand-blasting machine etc
Coating	Anti-rust Paint/ Zinc Plated/ Oil Black Paint/ Yellow Transparent/ Cold and Hot Dip Galvanized
Forging Methods	Casting/ Forging/ Rolling/ Cutting
Supporting Material	Gasket/ Ring Joint/ Flange Bolts
Manufacturer Length	NPS 1⁄₂" To NPS 48”
Schedule	SCH 5S, SCH 10, SCH 40, SCH 80, SCH 120, SCH 160, SCH 180 To XXS
Face Type	RTJ/ FF/ RF/ lap joint/ Male & Female / Tongue & Groove.
Production Technique	Forged/ Heat treated and machined
Manufacturer of	Forged/ Threaded/ Screwed / Plate
Test Certificates	EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc
Manufacturer Pressure Class	Class 150 (lb) up to 24" Class 300 (lb) up to 20" Class 600 (lb) up to 20" Class 900 (lb) up to 16" Class 1500 (lb) up to 10" Class 2500 (lb) up to 8"
Application	Bitumen upgraders Heavy oil refineries. Nuclear power (mostly seamless). Petrochemicals and acids.

Buy BS10 Flange at factory rate directly from manufacturers in India

BS 10 Table D Flanges Price List

Type Of Flange	Size In Inch	SCH	Class	Standard	Price In INR (India) Per Piece
Stainless Steel Slip On Flange	2	40	300	BS10 Table D	245.00
-	3	40	300	-	410.00
-	8	80	300	-	1280.00
Slip On	8	80	300	-	1600.00
Stainless Steel Blind Flange	3/4	40	300	ASTM A182 F316L	220.00
	1	40	300	-	280.00
-	1-1/2	40	300	-	340.00
-	2	40	300	-	520.00
Blind	4	40	300	-	950.00
Stainless Steel Weld Neck Flange	2	STD	300	BS10 Table D	550.00
-	4	STD	300	-	750.00
-	6	80	300	-	857.00
Weld Neck	6	80	300	BS10 Table D	1150.00

Types Of British Standard BS10 Flange

BS Flange

BS Pipe Flange

BS Fored Flange

BS 10 Table D Flanges

British Standard BS10 Flange

BS10 Table E Flange

BS 10 Table F Flange

BS10 Table H Flange

BS10 Table J Flange

British Standard Flange

BS 10 Table K Plate Flange

British Standard Table E Flanges

BS10 Table D Slip On Flange

Flange Standard BS10 Table D

BS10 Weld Neck Flanges

BS10 Table D Slip On Flanges

BS 10 Standard Table D Flanges

BS 10 Standard Table E Flanges

BS 10 Standard Table F Flange

BS 10 Standard Table J Flange

BS 10 Standard Table H Flange

PN 2.5 to PN 40 British Standard BS10 flange supplier in India offer Technical Inspection & MTR with all delivery

BS10 Table D Flange Dimensions In Mm

In Inches

Normal Bore Size		(D)	(K)	(L)	(A)	(C)	(N1)	(N2)	(B)	(H1)	(H2)	(R1)	(R2)	Number Of Holes
½"	15	95.3	66.8	14.5	21.3	4.8	27.0	33.3	22.4	9.5	22.2	6.4	1.6	4
¾"	20	101.6	73.2	14.5	26.7	4.8	33.3	38.1	27.7	11.1	22.2	6.4	1.6	4
1"	25	114.3	82.6	14.5	33.5	4.8	42.9	47.6	34.6	11.1	22.2	6.4	1.6	4
1 ¼"	32	120.7	87.4	14.5	42.2	6.4	49.2	55.6	43.2	11.1	25.4	6.4	1.6	4
1 ½"	40	133.4	98.6	14.5	48.3	6.4	58.7	61.9	49.5	12.7	28.6	6.4	1.6	4
2"	50	152.4	114.3	17.5	60.5	7.9	69.9	74.6	62.0	12.7	28.6	6.4	1.6	4
2 ½"	65	165.1	127.0	17.5	73.2	7.9	82.6	90.5	74.7	15.9	31.8	6.4	1.6	4
3"	80	184.2	146.1	17.5	88.9	9.7	101.6	106.4	90.7	15.9	34.9	6.4	1.6	4
3 ½"	88	203.2	165.1	17.5	101.6	9.7	114.3	119.1	103.4	17.5	34.9	6.4	1.6	4
4"	100	215.9	177.8	17.5	114.3	9.7	130.2	133.4	116.1	19.1	41.3	9.5	3.2	4
5"	125	254.0	209.6	17.5	141.2	12.7	152.4	160.3	143.8	19.1	44.5	9.5	3.2	8
6"	150	279.4	235.0	17.5	168.4	12.7	184.2	185.7	171.7	19.1	47.6	9.5	3.2	8
8"	200	336.6	292.1	17.5	219.2	12.7	241.3	241.3	221.5	22.2	50.8	9.5	3.2	8
10"	250	406.4	355.6	22.2	273.1	16.0	292.1	298.5	276.4	27.0	63.5	9.5	3.2	8
12"	300	457.2	406.4	22.2	323.9	19.1	342.9	349.3	325.9	28.6	69.9	9.5	4.8	12
14"	350	527.1	469.9	25.4	355.6	22.2	406.4	-	359.2	-	73.0	9.5	4.8	12
16"	400	577.9	520.7	25.4	406.4	22.2	-	-	410.5	-	-	-	-	12
18"	450	641.4	584.2	25.4	457.2	25.4	-	-	461.8	-	-	-	-	12
20"	500	704.9	641.4	25.4	508.0	28.6	-	-	513.1	-	-	-	-	16
24"	600	825.5	755.7	28.7	609.6	31.8	-	-	616.0	-	-	-	-	16

In MM

Normal Bore Size			(D)	(K)	(L)	(A)	(C)	(N1)	(N2)	(B)	(H1)	(H2)	(R1)	(R2)
½"	15	95.3	66.8	14.5	21.3	6.4	27.0	33.3	22.4	9.5	22.2	6.4	1.6	4
¾"	20	101.6	73.2	14.5	26.7	6.4	33.3	38.1	27.7	11.1	22.2	6.4	1.6	4
1"	25	114.3	82.6	14.5	33.5	7.2	42.9	47.6	34.6	11.1	22.2	6.4	1.6	4
1 ¼"	32	120.7	87.4	14.5	42.2	7.9	49.2	55.6	43.2	11.1	25.4	6.4	1.6	4
1 ½"	40	133.4	98.6	14.5	48.3	8.7	58.7	61.9	49.5	12.7	28.6	6.4	1.6	4
2"	50	152.4	114.3	17.5	60.5	9.5	69.9	74.6	62.0	12.7	28.6	6.4	1.6	4
2 ½"	65	165.1	127.0	17.5	73.2	10.3	82.6	90.5	74.7	15.9	31.8	6.4	1.6	4
3"	80	184.2	146.1	17.5	88.9	11.1	101.6	106.4	90.7	15.9	34.9	6.4	1.6	4
3 ½"	88	203.2	165.1	17.5	101.6	11.9	114.3	119.1	103.4	17.5	34.9	6.4	1.6	4
4"	100	215.9	177.8	17.5	114.3	12.7	130.2	133.4	116.1	19.1	41.3	9.5	3.2	4
5"	125	254.0	209.6	17.5	141.2	14.3	152.4	160.3	143.8	19.1	44.5	9.5	3.2	8
6"	150	279.4	235.0	17.5	168.4	17.5	184.2	185.7	171.7	19.1	47.6	9.5	3.2	8
8"	200	336.6	292.1	17.5	219.2	19.1	241.3	241.3	221.5	22.2	50.8	9.5	3.2	8
10"	250	406.4	355.6	22.2	273.1	22.2	292.1	298.5	276.4	27.0	63.5	9.5	3.2	8
12"	300	457.2	406.4	22.2	323.9	25.4	342.9	349.3	325.9	28.6	69.9	9.5	4.8	12
14"	350	527.1	469.9	25.4	355.6	28.6	406.4	-	359.2	-	73.0	9.5	4.8	12
16"	400	577.9	520.7	25.4	406.4	31.8	431.8	-	410.5	-	-	-	-	12
18"	450	641.4	584.2	25.4	457.2	34.9	-	-	461.8	-	-	-	-	12
20"	500	704.9	641.4	25.4	508.0	38.1	-	-	513.1	-	-	-	-	16
24"	600	825.5	755.7	28.7	609.6	47.6	-	-	616.0	-	-	-	-	16

BS10 Table E Flange Dimensions In Mm

Normal Bore Size		(D)	(K)	(L)	(A)	(C)	(N1)	(N2)	(B)	(H1)	(H2)	(R1)	(R2)	(Number Of HOLES)
Inches	Millimeter	-	-	-	-	-	-	-	-	-	-	-	-	-
½"	15	95.3	66.8	14.5	21.3	6.4	27.0	33.3	22.4	9.5	22.2	6.4	1.6	4
¾"	20	101.6	73.2	14.5	26.7	6.4	33.3	38.1	27.7	11.1	22.2	6.4	1.6	4
1"	25	114.3	82.6	14.5	33.5	7.2	42.9	47.6	34.6	11.1	22.2	6.4	1.6	4
1 ¼"	32	120.7	87.4	14.5	42.2	7.9	49.2	55.6	43.2	11.1	25.4	6.4	1.6	4
1 ½"	40	133.4	98.6	14.5	48.3	8.7	58.7	61.9	49.5	12.7	28.6	6.4	1.6	4
2"	50	152.4	114.3	17.5	60.5	9.5	69.9	74.6	62.0	12.7	28.6	6.4	1.6	4
2 ½"	65	165.1	127.0	17.5	73.2	10.3	82.6	90.5	74.7	15.9	31.8	6.4	1.6	4
3"	80	184.2	146.1	17.5	88.9	11.1	101.6	106.4	90.7	15.9	34.9	6.4	1.6	4
3 ½"	88	203.2	165.1	17.5	101.6	11.9	114.3	119.1	103.4	17.5	34.9	6.4	1.6	4
4"	100	215.9	177.8	17.5	114.3	12.7	130.2	133.4	116.1	19.1	41.3	9.5	3.2	4
5"	125	254.0	209.6	17.5	141.2	14.3	152.4	160.3	143.8	19.1	44.5	9.5	3.2	8
6"	150	279.4	235.0	17.5	168.4	17.5	184.2	185.7	171.7	19.1	47.6	9.5	3.2	8
8"	200	336.6	292.1	17.5	219.2	19.1	241.3	241.3	221.5	22.2	50.8	9.5	3.2	8
10"	250	406.4	355.6	22.2	273.1	22.2	292.1	298.5	276.4	27.0	63.5	9.5	3.2	8
12"	300	457.2	406.4	22.2	323.9	25.4	342.9	349.3	325.9	28.6	69.9	9.5	4.8	12
14"	350	527.1	469.9	25.4	355.6	28.6	406.4	-	359.2	-	73.0	9.5	4.8	12
16"	400	577.9	520.7	25.4	406.4	31.8	431.8	-	410.5	-	-	-	-	12
18"	450	641.4	584.2	25.4	457.2	34.9	-	-	461.8	-	-	-	-	12
20"	500	704.9	641.4	25.4	508.0	38.1	-	-	513.1	-	-	-	-	16
24"	600	825.5	755.7	28.7	609.6	47.6	-	-	616.0	-	-	-	-	16

BS 10 Table F Flange Dimensions

NPS	Diameter	Inner Diameter	Bolt Circle Diameter	Number of Bolts	Bolts Diameter	Wall Thickness
Size	(D)	(d5)	(k)	Holes	(d2)	(b)
1/2"	3.3/4"	7/8"	2.5/8"	4	1/2"	3/8"
3/4"	4"	1.3/32"	2.7/8"	4	1/2"	3/8"
1"	4.3/4"	1.23/64"	3.7/16"	4	5/8"	3/8"
1.1/4"	5.1/4"	1.45/64"	3.7/8"	4	5/8"	1/2"
1.1/2"	5.1/2"	1.15/16"	4.1/8"	4	5/8"	1/2"
2"	6.1/2"	2.7/16"	5"	4	5/8"	5/8"
2.1/2	7.1/4"	2.15/16"	5.3/4"	8	5/8"	5/8"
3"	8"	3.37/64"	6.1/2"	8	5/8"	5/8"
3.1/2"	8.1/2"	4.5/64"	7"	8	5/8"	3/4"
4"	9"	4.37/64"	7.1/2"	8	5/8"	3/4"
5"	11"	5.43/64"	9.1/4"	8	3/4"	7/8"
6"	12"	6.23/32"	10.1/4"	12	3/4"	7/8"
7"	13.1/4"	7.5/8"	11.1/2"	12	3/4"	7/8"
8'	14.1/2"	8.23/32"	12.3/4"	12	3/4"	1"
9"	16"	9.23/32"	14"	12	7/8"	1"
10"	17"	10.7/8"	15"	12	7/8"	1"
12"	19.1/4"	12.7/8"	17.1/4"	16	7/8"	1/1/8"
14"	21.3/4"	14.9/64"	19.1/2"	16	1"	1.1/4"
16"	24"	16.5/32"	21.3/4"	20	1"	1.1/4"
18"	26.1/2"	18.3/16"	24"	20	1.1/8"	1.3/8"
20"	29"	20.13/16"	26.1/2"	24	1.1/8"	1.1/2"
24"	33.1/2"	24.1/4"	30.3/4"	24	1.1/4"	1.5/8"

BS10 Table H Flange Dimensions

BS10 Table J Flange Dimensions

BS10 Flange Tolerance

Bs10 Table D Flange Weight

Normal Size Of Steel Pipe		Dimensions In Millimeter		ASME B16.5 Flanges Weight In Kilogram
Normal Size Of Steel Pipe In Inches	Size In Millimeter	Bs10 Table D Flanges Outer Daimeter (O.D.) In (MM)	Bs10 Table D Flanges Wall Thickness Of (D) In M)	(Table D Slip On Flanges) (Table D Socket Weld Flanges)	(Table D Weld Neck Flanges)	(Table D Blind Flanges)
1/2	15	88.9	11.2	0.4	0.5	0.4
3/4	20	98.6	12.7	0.6	0.7	0.6
1	25	108	14.2	0.8	1	0.9
1 1/4	32	117.3	15.7	1	1.3	1.2
1 1/2	40	127	17.5	1.3	1.7	1.5
2	50	152.4	19.1	2.1	2.6	2.4
2 1/2	65	177.8	22.4	3.3	4.1	3.9
3	80	190.5	23.9	3.9	4.9	4.9
3 1/2	90	215.9	23.9	4.8	6.1	6.2
4	100	228.6	23.9	5.3	6.8	7.0
5	125	254	23.9	6.1	8.6	8.6
6	150	279.4	25.4	7.5	10.6	11.3
8	200	342.9	28.4	12.1	17.6	19.6
10	250	406.4	30.2	16.5	24	28.6
12	300	482.6	31.8	26.2	36.5	43.2
14	350	533.4	35.1	34.6	48.4	58.1
16	400	596.9	36.6	44.8	60.6	76.1
18	450	635	39.6	48.9	68.3	93.7
20	500	698.5	42.9	61.9	84.5	122.0

Bs10 Table E Flange Weight

NPS	Weight In Kilogram
DN	KG
10	0.60
15	0.67
20	0.94
25	1.11
32	1.62
40	1.85
50	2.46
65	2.99
80	3.61
100	3.99
125	5.41
150	6.55
175	8.42
200	8.97
250	12.76
300	16.60
350	24.08
400	30.20
450	41.67
500	52.87
600	77.58
700	77.13
800	106.35
900	125.39
1000	177.99

British Standard Flange Dimensions

BS10 Flange Sizes

Normal Bore Size 15	Diameter in Millimeter	PCD	Bolts Flanges	Bolts Size	Hole Size	Wall Thickness
Table D	3 3/4" / 95	2 5/8" / 67	4	1/2"	9/16" / 14	3/8" / 10
Table E	3 3/4" / 95	2 5/8" / 67	4	1/2"	9/16" / 14	3/8" / 10
Table F	3 3/4" / 95	2 5/8" / 67	4	1/2"	9/16" / 14	3/8" / 10
Table H	4 1/2" / 114	3 1/4" / 83	4	5/8"	11/16" / 17	1/2" / 13
Table J	4 1/2" / 114	3 1/4" / 83	4	5/8"	11/16" / 17	5/8" / 16
Table K	4 1/2" / 114	3 1/4" / 83	4	5/8"	11/16" / 17	3/4" / 19
Normal Bore Size 20	Diameter In Millimeterin mm	PCD	Flanges Bolts	Size Of Bolts	Size Of Hole	Wall Thickness
Table D	4″ / 102″	2 7/8″ / 73″	4	1/2″	9/16″ / 14″	3/8″ / 10″
Table E	4″ / 102″	2 7/8″ / 73″	4	1/2″	9/16″ / 14″	3/8″ / 10″
Table F	4″ / 102″	2 7/8″ / 73″	4	1/2″	9/16″ / 14″	3/8″ / 10″
Table H	4 1/2″ / 114″	3 1/4″ / 83″	4	5/8″	11/16″ / 17″	1/2″ / 13″
Table J	4 1/2″ / 114″	3 1/4″ / 83″	4	5/8″	11/16″ / 17″	5/8″ / 16″
Table K	4 1/2″ / 114″	3 1/4″ / 83″	4	5/8″	11/16″ / 17″	3/4″ / 19″
Normal Bore Size25	Diameter In Millimeter	PCD	BOLTS	BOLTSIZE	HOLE SIZE	THICKNESS
Table D	4 1/2″ / 114	3 1/4″ / 83	4	1/2″	9/16″ / 14	3/8″ / 10
Table E	4 1/2″ / 114	3 1/4″ / 83	4	1/2″	9/16″ / 14	3/8″ / 10
Table F	4 3/4″ / 121	3 7/16″ / 87	4	5/8″	9/16″ / 14	3/8″ / 10
Table H	4 3/4″ / 121	3 7/16″ / 87	4	5/8″	11/16″ / 17	9/16″ / 14
Table J	4 3/4″ / 121	3 7/16″ / 87	4	5/8″	11/16″ / 17	3/4″ / 19
Table K	5″ / 127	3 3/4″ / 95	4	5/8″	11/16″ / 17	7/8″ / 22

Benefits Of BS10 Table Flange

Used to Connect Pipe System
Assembled Without Welding
Easy Repair Pipe System
Assembled And Disassembled Quite Easily

BS 10 Table K Plate Flange Dimensions

BS 10 Table R Plate Flange Dimensions

BS10 Flange Pressure Ratings

125-250 RMS Surface Finish BS10 Table D Pipe Flange Material manufacturer in India

Gasket For BS10 Table D Slip On Flange

NPS	Inner Diameter Gasket		Outer Diameter Gasket		Full Face							Nominal Size
	Inner Diameter Gasket		Outer Diameter Gasket		Outer Diameter (O.D.) Full face Gasket		bolt holes Diameter		P.C.D. Bolt		bolt holes Number
	Inch	millimeter	Inch	millimeter	Inch	millimeter	Inch	millimeter	Inch	millimeter	bolt holes Number
1/2	27/32	21.4	2 9/16	65.1	4 1/2	114.3	11/16	17.5	3 1/4	82.6	4	1/2
3/4	1 1/16	27.0	2 9/16	65.1	4 1/2	114.3	11/16	17.5	3 1/4	82.6	4	3/4
1	1 11/32	34.1	2 3/4	69.9	4 3/4	120.7	11/16	17.5	3 7/16	87.3	4	1
1 1/4	1 11/16	42.9	3 3/16	81.0	5 1/4	133.4	11/16	17.5	3 7/8	98.4	4	1 1/4
1 1/2	1 29/32	48.4	3 7/16	87.3	5 1/2	139.7	11/16	17.5	4 1/8	104.8	4	1 1/2
2	2 3/8	60.3	4 1/8	104.8	6 1/2	165.1	7/8	22.2	5	127.0	4	2
2 1/2	3	76.2	4 7/8	123.8	7 1/4	184.2	7/8	22.2	5 3/4	146.1	8	2 1/2
3	3 1/2	88.9	5 5/8	142.9	8	203.2	7/8	22.2	6 1/2	165.1	8	3
3 1/2	4	101.6	6 1/8	155.6	8 1/2	215.9	7/8	22.2	7	177.8	8	3 1/2
4	4 1/2	114.3	6 5/8	168.3	9	228.6	7/8	22.2	7 1/2	190.5	8	4
5	5 1/2	139.7	8 1/4	209.6	11	279.4	1	25.4	9 1/4	235.0	8	5
6	6 5/8	168.3	9 1/4	235.0	12	304.8	1	25.4	10 1/4	260.4	12	6
7	7 5/8	193.7	10 1/2	266.7	13 1/4	336.6	1	25.4	11 1/2	292.1	12	7
8	8 5/8	219.1	11 3/4	298.5	14 1/2	368.3	1	25.4	12 3/4	323.9	12	8
9	9 5/8	244.5	12 7/8	327.0	16	406.4	1 1/8	28.6	14	355.6	12	9
10	10 3/4	273.1	13 7/8	352.4	17	431.8	1 1/8	28.6	15	381.0	12	10
12	12 3/4	323.9	16 1/8	409.6	19 1/4	489.0	1 1/8	28.6	17 1/4	438.2	16	12
13	14	355.6	17 1/4	438.2	20 3/4	527.1	1 1/4	31.8	18 1/2	469.9	16	13
14	15	381.0	18 1/4	463.6	21 3/4	552.5	1 1/4	31.8	19 1/2	495.3	16	14
15	16	406.4	19 1/4	489.0	22 3/4	577.9	1 1/4	31.8	20 1/2	520.7	16	15
16	17	431.8	20 1/2	520.7	24	609.6	1 1/4	31.8	21 3/4	552.5	20	16
17	18	457.2	21 3/4	552.5	25 1/4	641.4	1 1/4	31.8	23	584.2	20	17
18	19	482.6	22 5/8	574.7	26 1/2	673.1	1 3/8	34.9	24	609.6	20	18
19	20	508.0	23 7/8	606.4	27 3/4	704.9	1 3/8	34.9	25 1/4	641.4	20	19
20	21	533.4	25 1/8	638.2	29	736.6	1 3/8	34.9	26 1/2	673.1	24	20
21	22	558.8	26 1/8	663.6	30	762.0	1 3/8	34.9	27 1/2	698.5	24	21
22	23	584.2	27 1/8	689.0	31	787.4	1 3/8	34.9	28 1/2	723.9	24	22
23	24	609.6	28 1/4	717.6	32 1/2	825.5	1 1/2	38.1	29 3/4	755.7	24	23
24	25	635.0	29 1/4	743.0	33 1/2	850.9	1 1/2	38.1	30 3/4	781.1	24	24

Manufacturer of BS10 Table E and Table F full face flange in Groove, RTJ, Raised, Flat, Tongue, RJ, Female, Male face

Flange Standard BS10 Table D Wall Thickness

NPS	Outer Diameter (O.D)	Minimum Wall Thickness (T)	(RF) Diameter (R)	Number of Bolt Holes	Holes Diameter	BC (Bolt Circle)	SO Bore Inner Diameter (SB)	WN Bore Inner Diameter (WB)	Diameter Hub Base (HB)	Diameter of Hub Top (HT)	SO Length (SL)	WN Length (WL)
¹⁄₂	3.50	0.38	1.38	4	0.62	2.38	0.88	0.62	1.19	0.84	0.56	1.81
³⁄₄	3.88	0.44	1.69	4	0.62	2.75	1.09	0.82	1.50	1.05	0.56	2.00
1	4.25	0.50	2.00	4	0.62	3.12	1.36	1.05	1.94	1.32	0.62	2.12
1¹⁄₄	4.62	0.56	2.50	4	0.62	3.50	1.70	1.38	2.31	1.66	0.75	2.19
1¹⁄₂	5.00	0.62	2.88	4	0.62	3.88	1.95	1.61	2.56	1.90	0.81	2.38
2	6.00	0.69	3.62	4	0.75	4.75	2.44	2.07	3.06	2.38	0.94	2.44
2¹⁄₂	7.00	0.81	4.12	4	0.75	5.50	2.94	2.47	3.56	2.88	1.06	2.69
3	7.50	0.88	5.00	4	0.75	6.00	3.57	3.07	4.25	3.50	1.12	2.69
3¹⁄₂	8.50	0.88	5.50	8	0.75	7.00	4.07	3.55	4.81	4.00	1.19	2.75
4	9.00	0.88	6.19	8	0.75	7.50	4.57	4.03	5.31	4.50	1.25	2.94
5	10.00	0.88	7.31	8	0.88	8.50	5.66	5.05	6.44	5.56	1.38	3.44
6	11.00	0.94	8.50	8	0.88	9.50	6.72	6.07	7.56	6.63	1.50	3.44
8	13.50	1.06	10.62	8	0.88	11.75	8.72	7.98	9.69	8.63	1.69	3.94
10	16.00	1.12	12.75	12	1.00	14.25	10.88	10.02	12.00	10.75	1.88	3.94
12	19.00	1.19	15.00	12	1.00	17.00	12.88	12.00	14.38	12.75	2.12	4.44
14	21.00	1.31	16.25	12	1.12	18.75	14.14	13.25	15.75	14.00	2.19	4.94
16	23.50	1.38	18.50	16	1.12	21.25	16.16	15.25	18.00	16.00	2.44	4.94
18	25.00	1.50	21.00	16	1.25	22.75	18.18	17.25	19.88	18.00	2.62	5.44
20	27.50	1.62	23.00	20	1.25	25.00	20.20	19.25	22.00	20.00	2.81	5.62
22	29.50	1.75	25.25	20	1.38	27.25	22.22	21.25	24.25	22.00	3.07	5.82
24	32.00	1.81	27.25	20	1.38	29.50	24.25	23.25	26.12	24.00	3.19	5.94

Diameter & Drilling Of BS10 Weld Neck Flanges

Nominal Pipe Diameter	Pressure Rating In (PN)
Size Of **Nominal BSP Pipe	PN 6	PN 10	PN 16	PN 25	PN 40
DN 10	75	90	90	90	90	O.D.
3/8"	50	60	60	60	60	PCD (B.C.)
	4 x 11	4 x 14	4 x 14	4 x 14	4 x 14	# of holes x diameter of holes
DN 15	80	95	95	95	95	O.D.
1/2"	55	65	65	65	65	PCD (B.C.)
	4 x 11	4 x 14	4 x 14	4 x 14	4 x 14	# of holes x diameter of holes
DN 20	90	105	105	105	105	O.D.
3/4"	65	75	75	75	75	PCD (b.c.)
	4 x 11	4 x 14	4 x 14	4 x 14	4 x 14	# of holes x diameter of holes
DN 25	100	115	115	115	115	O.D.
1"	75	85	85	85	85	PCD (b.c.)
	4 x 11	4 x 14	4 x 14	4 x 14	4 x 14	# of holes x diameter of holes
DN 32	120	140	140	140	140	O.D.
1 1/4"	90	100	100	100	100	PCD (b.c.)
	4 x 14	4 x 18	4 x 18	4 x 18	4 x 18	# of holes x diameter of holes
DN 40	130	150	150	150	150	O.D.
1 1/2"	100	110	110	110	110	PCD (b.c.)
	4 x 14	4 x 18	4 x 18	4 x 18	4 x 18	# of holes x diameter of holes
DN 50	140	165	165	165	165	O.D.
2"	110	125	125	125	125	PCD (b.c.)
	4 x 14	4 x 18	4 x 18	4 x 18	4 x 18	# of holes x diameter of holes
DN 65	160	185	185	185	185	O.D.
2 1/2"	130	145	145	145	145	PCD (b.c.)
	4 x 14	4 x 18	4 x 18	8 x 18	8 x 18	# of holes x diameter of holes
DN 80	190	200	200	200	200	O.D.
3"	150	160	160	160	160	PCD (b.c.)
	4 x 18	8 x 18	8 x 18	8 x 18	8 x 18	# of holes x diameter of holes
DN 100	210	220	220	235	235	O.D.
4"	170	180	180	190	190	PCD (b.c.)
	4 x 18	8 x 18	8 x 18	8 x 22	8 x 22	# of holes x diameter of holes
DN 125	240	250	250	270	270	O.D.
5"	200	210	210	220	220	PCD (b.c.)
	8 x 18	8 x 18	8 x 18	8 x 26	8 x 26	# of holes x diameter of holes
DN 150	265	285	285	300	300	O.D.
6"	225	240	240	250	250	PCD (b.c.)
	8 x 18	8 x 22	8 x 22	8 x 26	8 x 26	# of holes x diameter of holes
DN 175		315	315	330	350	O.D.
7"		270	270	280	295	PCD (b.c.)
		8 x 22	8 x 22	12 x 26	12 x 30	# of holes x diameter of holes
DN 200	320	340	340	360	375	O.D.
8"	280	295	295	310	320	PCD (b.c.)
	8 x 18	8 x 22	12 x 22	12 x 26	12 x 30	# of holes x diameter of holes
DN 250	375	395	405	425	450	O.D.
10"	335	350	355	370	385	PCD (b.c.)
	12 x 18	12 x 22	12 x 26	12 x 30	12 x 33	# of holes x diameter of holes
DN 300	440	445	460	485	515	O.D.
12"	395	400	410	430	450	PCD (b.c.)
	12 x 22	12 x 22	12 x 26	16 x 30	16 x 33	# of holes x diameter of holes
DN 350	490	505	520	555	580	O.D.
14"	445	460	470	490	510	PCD (b.c.)
	12 x 22	16 x 22	16 x 26	16 x 33	16 x 36	# of holes x diameter of holes
DN 400	540	565	580	620	660	O.D.
16"	495	515	525	550	585	PCD (b.c.)
	16 x 22	16 x 26	16 x 30	16 x 36	16 x 39	# of holes x diameter of holes
DN 500	645	670	715	730	755	O.D.
20"	600	620	650	660	670	PCD (b.c.)
	20 x 22	20 x 26	20 x 33	20 x 36	20 x 42	# of holes x diameter of holes
DN 600	755	780	840	845		O.D.
24"	705	725	770	770		PCD (b.c.)
	20 x 24	20 x 27	20 x 33	20 x 36		# of holes x diameter of holes

BS 10 Forged Flanges Surface Finish

Normal Pipe Size	(A)	(B)
1/2	3.0	1.5
3/4	3.0	1.5
1	3.0	1.5
1-1/4	3.0	1.5
1-1/2	3.0	1.5
2	3.0	1.5
2-1/2	3.0	1.5
3	4.5	1.5
3-1/2	6.0	3.0
4	6.0	3.0
5	6.0	3.0
6	6.0	3.0
8	8.0	4.5
10	8.0	4.5
12	8.0	4.5
14	8.0	4.5
16	10.0	4.5
18	12.0	6.0
20	12.0	6.0
22	12.0	6.0
24	12.0	6.0

BS10 Slip On Flanges Bolt Size

	Class 150				Class 300				Class 600
NPS	# Studs And Bolts	Diameter of Studs And Bolts	Length of Stud		# Studs And Bolts	Diameter of Studs And Bolts	Length of Stud		# Studs And Bolts	Diameter of Studs And Bolts	Length of Stud
			1/16 RF	RTJ			1/16 RF	RTJ			1/4 RF	RTJ
1/2	4	0.50	2-1/4	–	4	0.50	2-1/2	3	4	0.50	3	3
3/4	4	0.50	2-1/2	–	4	0.63	3	3-1/2	4	0.63	3-1/2	3-1/2
1	4	0.50	2-1/2	3	4	0.63	3	3-1/2	4	0.63	3-1/2	3-1/2
1-1/4	4	0.50	2-3/4	3-1/4	4	0.63	3-1/4	3-3/4	4	0.63	3-3/4	3-3/4
1-1/2	4	0.50	2-3/4	3-1/4	4	0.75	3-1/2	4	4	0.75	4-1/4	4-1/4
2	4	0.63	3-1/4	3-3/4	8	0.63	3-1/2	4	8	0.63	4-1/4	4-1/4
2-1/2	4	0.63	3-1/2	4	8	0.75	4	4-1/2	8	0.75	4-3/4	4-3/4
3	4	0.63	3-1/2	4	8	0.75	4-1/4	4-3/4	8	0.75	5	5
3-1/2	8	0.63	3-1/2	4	8	0.75	4-1/4	5	8	0.88	5-1/2	5-1/2
4	8	0.63	3-1/2	4	8	0.75	4-1/2	5	8	0.88	5-3/4	5-3/4
5	8	0.75	3-3/4	4-1/4	8	0.75	4-3/4	5-1/4	8	1.00	6-1/2	6-1/2
6	8	0.75	4	4-1/2	12	0.75	4-3/4	5-1/2	12	1.00	6-3/4	6-3/4
8	8	0.75	4-1/4	4-3/4	12	0.88	5-1/2	6	12	1.13	7-1/2	7-3/4
10	12	0.88	4-1/2	5	16	1.00	6-1/4	6-3/4	16	1.25	8-1/2	8-1/2
12	12	0.88	4-3/4	5-1/4	16	1.13	6-3/4	7-1/4	20	1.25	8-3/4	8-3/4
14	12	1.00	5-1/4	5-3/4	20	1.13	7	7-1/2	20	1.38	9-1/4	9-1/4
16	16	1.00	5-1/4	5-3/4	20	1.25	7-1/2	8	20	1.50	10	10
18	16	1.13	5-3/4	6-1/4	24	1.25	7-3/4	8-1/4	20	1.63	10-3/4	10-3/4
20	20	1.13	6-1/4	6-3/4	24	1.25	8	8-3/4	24	1.63	11-1/4	11-1/2
24	20	1.25	6-3/4	7-1/4	24	1.50	9	10	24	1.88	13	13-1/4

	Class 900				Class 1500				Class 2500
NPS	# Studs And Bolts	Diameter of Studs And Bolts	Length of Stud		# Studs And Bolts	Diameter of Studs And Bolts	Length of Stud		# Studs And Bolts	Diameter of Studs And Bolts	Length of Stud
			1/4 RF	RTJ			1/4 RF	RTJ			1/4 RF	RTJ
1/2	4	0.75	4-1/4	4-1/4	4	0.75	4-1/4	4-1/4	4	0.75	4-3/4	4-3/4
3/4	4	0.75	4-1/2	4-1/2	4	0.75	4-1/2	4-1/2	4	0.75	5	5
1	4	0.88	5	5	4	0.88	5	5	4	0.88	5-1/2	5-1/2
1-1/4	4	0.88	5	5	4	0.88	5	5	4	1.00	6	6
1-1/2	4	1.00	5-1/2	5-1/2	4	1.00	5-1/2	5-1/2	4	1.13	6-3/4	6-3/4
2	8	0.88	5-3/4	5-3/4	8	0.88	5-3/4	5-3/4	8	1.00	7	7
2-1/2	8	1.00	6-1/4	6-1/4	8	1.00	6-1/4	6-1/4	8	1.13	7-3/4	8
3	8	0.88	5-3/4	5-3/4	8	1.13	7	7	8	1.25	8-3/4	9
4	8	1.13	6-3/4	6-3/4	8	1.25	7-3/4	7-3/4	8	1.50	10	10-1/4
5	8	1.25	7-1/2	7-1/2	8	1.50	9-3/4	9-3/4	8	1.75	11-3/4	12-1/4
6	12	1.13	7-1/2	7-3/4	12	1.38	10-1/4	10-1/2	8	2.00	13-1/2	14
8	12	1.38	8-3/4	8-3/4	12	1.63	11-1/2	11-3/4	12	2.00	15	15-1/2
10	16	1.38	9-1/4	9-1/4	12	1.88	13-1/4	13-1/2	12	2.50	19-1/4	20
12	20	1.38	10	10	16	2.00	14-3/4	15-1/4	12	2.75	21-1/4	22
14	20	1.50	10-3/4	11	16	2.25	16	16-3/4	–	–	–	–
16	20	1.63	11-1/4	11-1/2	16	2.50	17-1/2	18-1/2	–	–	–	–
18	20	1.88	12-3/4	13-1/4	16	2.75	19-1/2	20-3/4	–	–	–	–
20	20	2.00	13-3/4	14-1/4	16	3.00	21-1/4	22-1/4	–	–	–	–
24	20	2.50	17-1/4	18	16	3.50	24-1/4	25-1/2	–	–	–	–