Dimensions of Grooved (Camprofile) Gaskets ASME B16.20 to be used with Raised Face flanges ASME B16.5

Class 150# to 400#

NPS	d1	d2	d3
			150#	300#	400#
1/2	23	33.3	44.4	50.8	50.8
3/4	28.6	39.7	53.9	63.5	63.5
1	36.5	47.6	63.5	69.8	69.8
1¼	44.4	60.3	73	79.4	79.4
1½	52.4	69.8	82.5	92.1	92.1
2	69.8	88.9	101.6	108	108
2½	82.5	101.6	120.6	127	127
3	98.4	123.8	133.4	146.1	146.1
3½	111.1	136.5	158.8	161.9	158.7
4	123.8	154	171.5	177.8	174.6
5	150.8	182.6	193.7	212.7	209.5
6	177.8	212.7	219.1	247.7	244.5
8	228.6	266.7	276.2	304.8	301.6
10	282.6	320.7	336.5	358.8	355.6
12	339.7	377.8	406.4	419.1	415.9
14	371.5	409.6	447.7	482.6	479.4
16	422.3	466.7	511.2	536.6	533.4
18	479.4	530.2	546.1	593.7	590.5
20	530.2	581	603.2	650.9	644.5
24	631.8	682.6	714.4	771.5	765.2
NPS	d1	d2	150#	300#	400#
			d3

Class 600# to 2500#

NPS	d1	d2	d3
			600#	900#	1500#	2500#
1/2	23	33.3	50.8	60.3	60.3	66.7
3/4	28.6	39.7	63.5	66.7	66.7	73
1	36.5	47.6	69.8	76.2	76.2	82.5
1¼	44.4	60.3	79.4	85.7	85.7	101.6
1½	52.4	69.8	92.1	95.2	95.2	114.3
2	69.8	88.9	108	139.7	139.7	142.8
2½	82.5	101.6	127	161.9	161.9	165.1
3	98.4	123.8	146.1	165.1	171.5	193.7
3½	111.1	136.5	158.7	…	…	…
4	123.8	154	190.5	203.2	206.4	231.7
5	150.8	182.6	238.1	244.5	250.8	276.2
6	177.8	212.7	263.5	285.8	279.4	314.3
8	228.6	266.7	317.5	355.6	349.3	384.1
10	282.6	320.7	369.9	431.8	431.8	473
12	339.7	377.8	454	495.3	517.5	546.1
14	371.5	409.6	488.9	517.5	574.7	…
16	422.3	466.7	561.9	571.5	638.1	…
18	479.4	530.2	609.6	635	701.7	…
20	530.2	581	679.5	695.3	752.4	…
24	631.8	682.6	787.4	835	898.5	…
NPS	d1	d2	600#	900#	1500#	2500#
			d3

General notes:

1. Dimensions are in millimeters unless otherwise indicated.
2. Images shows Grooved Gaskets with Covering Layer and Centering Ring.
3. d1 = Inside diameter.
4. d2 = Outside diameter.
5. d3 = Outside diameter of centering ring.
6. Thickness (t) specified by customer.