Ring Joint Facings for Class 300 ASME B16.5 Flanges

1. Technical drawings of ring joint facings for Class 300 ASME B16.5 Flanges.

ring joint facings for class 300 asme b16.5 flanges-drawing
The drawing of ring joint facings for Class 300 ASME B16.5 flanges.

2. Dimensions of ring joint facings for Class 300 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"R111.344
34.14
0.219
5.54
0.281
7.14
0.03
0.8
2.00
51.0
0.12
3
3/4"R131.688
42.88
0.250
6.35
0.344
8.74
0.03
0.8
2.50
63.5
0.16
4
1"R162.000
50.80
0.250
6.35
0.344
8.74
0.03
0.8
2.75
70.0
0.16
4
1 1/4"R182.375
60.33
0.250
6.35
0.344
8.74
0.03
0.8
3.12
79.5
0.16
4
1 1/2"R202.688
68.27
0.250
6.35
0.344
8.74
0.03
0.8
3.56
90.5
0.16
4
2"R233.250
82.55
0.312
7.92
0.469
11.91
0.03
0.8
4.25
108
0.22
6
2 1/2"R264.000
101.60
0.312
7.92
0.469
11.91
0.03
0.8
5.00
127
0.22
6
3 1/2"R345.188
131.78
0.312
7.92
0.469
11.91
0.03
0.8
6.25
159
0.22
6
4"R375.875
149.23
0.312
7.92
0.469
11.91
0.03
0.8
6.88
175
0.22
6
5"
R417.125
180.98
0.312
7.92
0.469
11.91
0.03
0.8
8.25
210
0.22
6
6"R458.312
211.12
0.312
7.92
0.469
11.91
0.03
0.8
9.50
241
0.22
6
8"R4910.625
269.88
0.312
7.92
0.469
11.91
0.03
0.8
11.88
302
0.22
6
10"R5312.750
323.85
0.312
7.92
0.469
11.91
0.03
0.8
14.00
356
0.22
6
12"R5715.000
381.00
0.312
7.92
0.469
11.91
0.03
0.8
16.25
413
0.22
6
14"R6115.625
419.10
0.312
7.92
0.469
11.91
0.03
0.8
18.00
457
0.22
6
16"R6517.875
469.90
0.312
7.92
0.469
11.91
0.03
0.8
20.00
508
0.22
6
18"R6920.375
533.40
0.312
7.92
0.469
11.91
0.03
0.8
22.62
575
0.22
6
20"R7322.000
584.20
0.375
9.53
0.531
13.49
0.06
1.5
25.00
635
0.22
6
24"R7726.500
692.15
0.438
11.13
0.656
16.66
0.06
1.5
29.50
749
0.25
6

1. NPS denotes nominal pipe size, P – pitch diameter, E – depth of the groove & height of the raised portion, F – top width of the groove, R – radius at bottom, K – diameter of raised portion, S – approximate distance between flanges. The 300# RTJ flange facings can be applied to various flange types including welding neck flange class 300, slip on flange 300#, Blind flange 300lb, etc.

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 300 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

quick quote

Leave a Reply

Your email address will not be published. Required fields are marked *