BS 3293 Weld Neck Flanges 400 lbs Dimension

Dimension for Weld Neck Flange 400 lbs.

Threded Flange Dimension as per British Standard(B.S.)3293 400#/400 lbs in mm

pipe		Flange				Hub		Raised face	Drilling Template			Approx Weight
Nom.	OD	D	J	b	h	a	m	g	Number	I	K
Size	mm	mm	mm	mm	mm	mm	mm	mm		mm	mm	Kilo
26"	660.4	971.5	To be	88.9	193.7	668.3	727.1	749.3	28	47.6	876.3	340
28"	711.2	1035	specified by	95.2	206.4	719.1	782.6	800.1	28	50.8	939.8	399
30"	762.0	1092.2	purchaser	101.6	219.1	769.9	836.6	857.2	28	54.0	996.9	454
32"	812.8	1149.3		107.9	231.8	822.3	889.0	914.4	28	54.0	1054.1	522
34"	863.6	1206.5		111.1	241.3	873.1	944.6	965.2	28	54.0	1104.9	590
36"	914.4	1270.0		114.3	250.8	925.5	1000.1	1022.3	32	54.0	1168.4	669

Threded Flange Dimension as per British Standard(B.S.)3293 400#/400 lbs in inches

pipe		Flange				Hub		Raised face	Drilling Template			Approx Weight
Nom.	OD	D	J	b	h	a	m	g	Number	I	K
Size	in.	in.	in.	in.	in.	in.	in.	in.		in.	in.	Pounds
26"	26.0	38^1/4	To be	3^1/2	7^5/8	26^5/16	28^5/8	29^1/2	28	1^7/8	34^1/2	750
28"	28.0	40^3/4	specified by	3^3/4	8^1/8	28^5/16	30^13/16	31^1/2	28	2	37	880
30"	30.0	43	purchaser	4	8^5/8	30^5/16	32^15/16	33^3/4	28	2^1/8	39^1/4	1000
32"	32.0	45^1/4		4^1/4	9^1/8	32^3/8	35	36	28	2^1/8	41^1/2	1150
34"	34.0	47^1/2		4^3/8	9^1/2	34^3/8	37^3/16	38	28	2^1/8	43^1/2	1300
36"	36.0	50		4^1/2	9^7/8	36^7/16	39^3/8	40^1/4	32	2^1/8	46	1475

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