2500 LB. FLANGES

Normal pipe size	Outside dia. of flange	Minimum thickness of flange	Overall          Length			Bolt Circle	No. and Size of Holes		O.D. of raised face
			Welding neck	Slip-on & socket welding	Lap Joint
	O	Q	Y			Diam.	No.	dia.	R
1/2	133.4	30.2	73.0	39.7	39.7	88.9	4	22	34.9
3/4	139.7	31.8	79.4	42.9	42.9	95.3	4	22	42.9
1	158.8	34.9	88.9	47.6	47.6	108.0	4	25	50.8
1-1/4	184.2	38.1	95.3	52.4	52.4	130.2	4	29	63.5
1-1/2	203.2	44.5	111.1	60.3	60.3	146.0	4	32	73.0
2	235.0	50.8	127.0	69.9	69.9	171.5	8	29	92.1
2-1/2	266.7	57.2	142.9	79.4	79.4	196.9	8	32	104.8
3	304.8	66.7	168.3	92.1	92.1	228.6	8	35	127.0
3-1/2
4	355.6	76.2	190.5	108.0	108.0	273.0	8	41	157.2
5	419.1	92.1	228.6	130.2	130.2	323.9	8	48	185.7
6	482.6	108.0	273.1	152.4	152.4	268.3	8	54	215.9
8	552.5	127.0	317.5	177.8	177.8	438.2	12	54	269.9
10	673.1	165.1	419.1	228.6	228.6	539.8	12	67	323.9
12	762.0	184.2	463.6	254.0	254.0	619.1	12	73	381.03
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