Ring Joint Facings for Class 2500 ASME B16.5 Flanges

1. Technical drawings of ring joint facings for Class 2500 ASME B16.5 Flanges.

ring-joint-facings-for-class-2500-asme-b16.5-flanges-drawing
The typical drawing of ring joint facings for Class 2500 flanges manufactured to ASME B16.5.

2. Dimensions of ring joint facings for Class 2500 Flange Joints and Groove.

NPSGroove NumberP
inch
mm
E
inch
mm
F
inch
mm
R
inch
mm
K
inch
mm
S
inch
mm
1/2"131.688
42.88
0.250
6.35
0.344
8.74
0.03
0.8
2.56
65.0
0.16
4
3/4"162.000
50.80
0.250
6.35
0.344
8.74
0.03
0.8
2.88
73.0
0.16
4
1"182.375
60.33
0.250
6.35
0.344
8.74
0.03
0.8
3.25
82.5
0.16
4
1 1/4212.844
72.23
0.312
7.92
0.469
11.91
0.03
0.8
4.00
102
0.12
3
1 1/2233.250
82.55
0.312
7.92
0.469
11.91
0.03
0.8
4.50
114
0.12
3
2264.000
101.60
0.312
7.92
0.469
11.91
0.03
0.8
5.25
133
0.12
3
2 1/2284.375
111.13
0.375
9.53
0.531
13.49
0.03
0.8
5.88
149
0.12
3
3325.000
127.00
0.375
9.53
0.531
13.49
0.03
0.8
6.62
168
0.12
3
4386.188
157.18
0.438
11.13
0.656
16.66
0.06
1.5
8.00
203
0.19
4
5427.500
190.50
0.500
12.70
0.781
19.84
0.06
1.5
9.50
241
0.19
4
6479.000
228.60
0.500
12.70
0.781
19.84
0.06
1.5
11.00
279
0.19
4
85111.000
279.40
0.562
14.27
0.906
23.01
0.06
1.5
13.38
340
0.19
5
105513.500
342.90
0.688
17.48
1.188
30.18
0.09
2.4
16.75
425
0.25
6
126016.000
406.40
0.688
17.48
1.312
33.32
0.09
2.4
19.50
495
0.31
8

1.For denotation of ” NPS, P, E, F, R, K, S “, please refer to ring joint facings for Class 300 ASME B16.5 flanges.

2. All dimensions are provided in mm and inch unit. The depth of the groove, E, shall be furnished with the same dimension as the height of the raised portion. The groove number of  ring joint facings for class 2500 shall match the type R ring gaskets manufactured to ASME B16.20.

Ring Joint Facings for ASME B16.5 Flanges Classified by Classes
Class 150Class 300Class 400Class 600Class 900Class 1500Class 2500

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