QUALITY TUBE SERVICES

Flanges : Bolt Dimensions

BS 4504 / BS EN 1092-1

Nominal Bore	TABLE 6	TABLE 10	TABLE 16	TABLE 25	TABLE 40
10 mm	4 M10 X 45	4 M12 X 50	4 M12 X 50	4 M12 X 55	4 M12 X 55
15 mm	4 M10 X 45	4 M12 X 50	4 M12 X 50	4 M12 X 55	4 M12 X 55
20 mm	4 M10 X 45	4 M12 X 55	4 M12 X 55	4 M12 X 55	4 M12 X 55
25 mm	4 M10 X 50	4 M12 X 55	4 M12 X 55	4 M12 X 65	4 M12 X 65
32 mm	4 M12 X 65	4 M16 X 65	4 M16 X 65	4 M16 X 65	4 M16 X 65
40 mm	4 M12 X 65	4 M16 X 65	4 M16 X 65	4 M16 X 75	4 M16 X 75
50 mm	4 M12 X 65	4 M16 X 65	4 M16 X 65	4 M16 X 75	4 M16 X 75
65 mm	4 M12 X 65	4 M16 X 65	4 M16 X 65	8 M16 X 75	8 M16 X 75
80 mm	4 M16 X 65	8 M16 X 75	8 M16 X 75	8 M16 X 75	8 M16 X 75
100 mm	4 M16 X 65	8 M16 X 75	8 M16 X 75	8 M20 X 90	8 M20 X 90
125 mm	8 M16 X 75	8 M16 X 75	8 M16 X 75	8 M24 X 90	8 M24 X 90
150 mm	8 M16 X 75	8 M20 X 75	8 M20 X 75	8 M24 X 100	8 M24 X 100
200 mm	8 M16 X 75	8 M20 X 90	12 M20 X 90	12 M24 X 90	12 M27 X 115*
250 mm	12 M16 X 75	12 M20 X 90	12 M24 X 90	12 M27 X 115*	- -
300 mm	12 M20 X 90	12 M20 X 90	12 M24 X 90	16 M27 X 115*	12 M30 X 140
350 mm	12 M20 X 90	16 M20 X 90	16 M24 X 100	16 M30 X 140	16 M30 X 140
400 mm	16 M20 X 90	16 M24 X 100	16 M27 X 115*	16 M33 X 140*	16 M33 X 165*
450 mm	16 M20 X 90	20 M24 X 115	20 M30 X 140	20 M33 X 155	16 M36 X 180
500 mm	20 M20 X 90	20 M24 X 110	20 M27 X 125	20 M33 X 165*	20 M36 X 180
600 mm	20 M24 X 100	20 M27 X 125*	20 M33 X 150*	24 M36 X 180	20 M39 X 200*

ANSI – 16,5 ASA

Nominal Bore	CLASS 150lb	CLASS 300lb
15 mm	4 M12 X 45	4 M12 X 55
20 mm	4 M12 X 50	4 M16 X 65
25 mm	4 M12 X 55	4 M16 X 65
32 mm	4 M12 X 55	4 M16 X 65
40 mm	4 M12 X 65	4 M16 X 75
50 mm	4 M16 X 65	8 M20 X 75
65 mm	4 M16 X 75	8 M20 X 90
80 mm	4 M16 X 75	8 M20 X 90
100 mm	8 M16 X 75	8 M20 X 100
125 mm	8 M20 X 90	8 M20 X 100
150 mm	8 M20 X 90	12 M20 X 115
200 mm	8 M20 X 90	12 M24 X 125
250 mm	12 M24 X 100	16 M24 X 140
300 mm	12 M24 X 100	16 M30 X 150
350 mm	12 M24 X 115	20 M30 X 150
400 mm	16 M24 X 115	20 M30 X 165
450 mm	20 M30 X 125	24 M30 X 180
500 mm	16 M30 X 125	24 M30 X 165
600 mm	20 M30 X 150	24 M39 X 200*

Notes
Bolt lengths are for unlined piping and allow for 2 x 3mm thick washers and a 3mm thick gasket.
For the lined piping, add the compressed flange face linings dimensions and round up to the closest bolt length.

SABS 1123

Nominal Bore	600 kPa		1 000 kPa		1 600 kPa		2 500 kPa		4 000 kPa
15 mm	4	M12 X 30	4	M12 X 40	4	M12 X 50	4	M16 X 55	4	M16 X 65
20 mm	4	M12 X 30	4	M12 X 40	4	M12 X 50	4	M16 X 55	4	M16 X 65
25 mm	4	M12 X 30	4	M12 X 40	4	M16 X 50	4	M16 X 55	4	M16 X 65
32 mm	4	M12 X 40	4	M12 X 40	4	M16 X 55	4	M16 X 65	4	M16 X 65
40 mm	4	M12 X 40	4	M12 X 40	4	M16 X 55	4	M16 X 65	4	M16 X 75
50 mm	4	M16 X 50	4	M16 X 50	4	M16 X 65	4	M16 X 65	4	M20 X 90
65 mm	4	M16 X 50	4	M16 X 50	8	M16 X 65	8	M16 X 65	8	M20 X 90
80 mm	4	M16 X 50	4	M16 X 50	8	M16 X 65	8	M16 X 75	8	M20 X 90
100 mm	4	M16 X 50	8	M16 X 50	8	M16 X 65	8	M16 X 75	8	M20 X 100
125 mm	8	M16 X 55	8	M16 X 55	8	M20 X 75	8	M20 X 90	8	M20 X 115
150 mm	8	M16 X 55	8	M20 X 65	12	M20 X 75	12	M20 X 90	12	M20 X 115
200 mm	8	M16 X 55	8	M20 X 75	12	M20 X 90	12	M20 X 100	12	M20 X 115
250 mm	8	M20 X 65	12	M20 X 75	12	M20 X 90	12	M20 X 100	12	M24 X 140
300 mm	12	M20 X 65	12	M20 X 90	16	M20 X 100	12	M20 X 115	16	M24 X 140
350 mm	12	M20 X 75	12	M20 X 90	16	M24 X 115	16	M24 X 140	16	M27 X 165
400 mm	12	M20 X 75	12	M20 X 100	20	M24 X 140	20	M24 X 150	20	M27 X 165
450 mm	12	M20 X 75	16	M20 X 100	20	M27 X 140	20	M27 X 165	20	M30 X 180
500 mm	16	M20 X 90	16	M20 X 115	24	M27 X 140	24	M27 X 180	24	M30 X 200
600 mm	16	M24 X 100	16	M27 X 140	24	M30 X 165	24	M30 X 200	24	M33 X 230

Notes
* Non-preffered Size
Bolt lengths are for unlined piping and allow for 2 x 3mm thick washers and a 3mm thick gasket.
For the lined piping, add the compressed flange face linings dimensions and round up to the closest bolt length.

BS 10

Nominal Bore	600 kPa			1 000 kPa			1 600 kPa			2 500 kPa			4 000 kPa
10 mm	4	M10 X	40	4	M12 X	45	4	M12 X	45	4	M12 X	45	4	M12 X	45
15 mm	4	M10 X	40	4	M12 X	45	4	M12 X	45	4	M12 X	50	4	M12 X	50
20 mm	4	M10 X	40	4	M12 X	45	4	M12 X	45	4	M12 X	50	4	M12 X	50
25 mm	4	M10 X	40	4	M12 X	45	4	M12 X	45	4	M12 X	55	4	M12 X	65
32 mm	4	M12 X	45	4	M16 X	50	4	M16 X	50	4	M16 X	65	4	M16 X	65
40 mm	4	M12 X	45	4	M16 X	50	4	M16 X	50	4	M16 X	65	4	M16 X	65
50 mm	4	M12 X	45	4	M16 X	50	4	M16 X	50	4	M16 X	65	4	M16 X	65
65 mm	4	M12 X	45	4	M16 X	50	4	M16 X	50	8	M16 X	70	8	M16 X	70
80 mm	4	M16 X	50	8	M16 X	50	8	M16 X	55	8	M16 X	70	8	M16 X	70
100 mm	4	M16 X	50	8	M16 X	50	8	M16 X	55	8	M20 X	90	8	M20 X	90
125 mm	8	M16 X	50	8	M16 X	55	8	M16 X	65	8	M24 X	90	8	M24 X	90
150 mm	8	M16 X	50	8	M20 X	65	8	M20 X	75	8	M24 X	100	8	M24 X	100
200 mm	8	M16 X	55	8	M20 X	75	12	M20 X	75	12	M24 X	90	12	M24 X	100
225 mm	8	M16 X	65	8	M20 X	75	12	M20 X	75	12	M24 X	90	12	M30 X	110
250 mm	12	M16 X	65	12	M20 X	75	12	M24 X	90	12	M24 X	100	12	M30 X	115
300 mm	12	M20 X	75	12	M20 X	75	12	M24 X	100	16	M24 X	100	16	M30 X	100
350 mm	12	M20 X	75	16	M20 X	90	16	M24 X	100	16	M30 X	110	16	M30 X	130
400 mm	16	M20 X	75	16	M24 X	90	16	M24 X	115	16	M30 X	125	16	M36 X	150
450 mm	16	M20 X	90	20	M24 X	100	20	M24 X	125	20	M30 X	140	20	M36 X	165
500 mm	20	M20 X	90	20	M24 X	100	20	M30 X	125	20	M30 X	140	20	M36 X	190
550 mm	20	M24 X	90	20	M24 X	110	20	M30 X	120	20	M36 X	165
600 mm	20	M24 X	100	20	M24 X	115	20	M30 X	150	20	M36 X	165