Basic Info.
Product Description
Type R metal ring joint gaskets are manufactured according to ASME B 16.20:1998 and API 6A.
The type R oval configuration was the original design and was followed by the type R octagonal
which offered more specific contact areas.
The principal types of material are:
Metal Maximum Hardness
Soft iron 90BHN
Low carbon Steel 120BHN
F5 Alloy Steel 130BHN
Type 410 S/S 170BHN
Type 304 S/S 160BHN
Type 304L S/S 160BHN
Type 316 S/S 160BHN
Type 316L S/S 160BHN
Type 347 S/S 160BHN
Type 321 S/S 160BHN
......
Type R ring gaskets-according to ASME B16.20:1998 and API 6A
NOMINAL PIPE SIZE/NOMINAL.PRESSURE
ASME/ANSI B16.5
API 6B
ASME B16.47
Series A
TOLERANCES
±0.38
±0.17
± 0.39
±0.39
± 0.20
± 0.20
WEIGHT
150
300-
600
900
1500
2500
720-
960
2000
3000
5000
150
300-
600
900
R
De
(mm)
Di
(mm)
Dm
(mm)
B
(mm)
H
(mm)
A
(mm)
C
(mm)
OVAL
Kg
OCTA
Kg
1/2
R11
40.49
27.79
34.14
11.18
9.65
6.35
4.32
0.05
0.05
1/2
1/2
R12
47.65
31.75
39.70
14.22
12.70
7.95
5.23
0.10
0.10
3/4
1/2
R13
50.83
34.93
42.88
14.22
12.70
7.95
5.23
0.10
0.10
3/4
3/4
R14
52.40
36.50
44.45
14.22
12.70
7.95
5.23
0.11
0.11
1
R15
55.58
39.67
47.63
14.22
12.70
7.95
5.23
0.12
0.11
1
1
1
3/4
1
1
1
1
R16
58.75
42.85
50.80
14.22
12.70
7.95
5.23
0.13
0.11
11/4
R17
65.10
49.20
57.15
14.22
12.70
7.95
5.23
0.14
0.13
11/4
11/4
11/4
1
11/4
11/4
11/4
11/4
R18
68.28
52.37
60.33
14.22
12.70
7.95
5.23
0.15
0.14
11/2
R19
73.05
57.15
65.10
14.22
12.70
7.95
5.23
0.16
0.15
11/2
11/2
11/2
11/2
11/2
11/2
11/2
R20
76.23
60.33
68.28
14.22
12.70
7.95
5.23
0.17
0.15
11/4
R21
83.36
61.11
72.24
17.53
16.00
11.13
7.75
0.3
0.29
2
R22
90.50
74.60
82.55
14.22
12.70
7.95
5.23
0.2
0.19
2
11/2
2
2
R23
93.68
71.42
82.55
17.53
16.00
11.13
7.75
0.34
0.33
2
2
2
2
R24
106.38
84.12
95.25
17.53
16.00
11.13
7.75
0.39
0.38
21/2
R25
109.55
93.65
101.60
14.22
12.70
7.95
5.23
0.25
0.23
21/2
2
21/2
21/2
R26
112.73
90.47
101.60
17.53
16.00
11.13
7.75
0.42
0.41
21/2
2
21/2
21/2
R27
119.08
96.82
107.95
17.53
16.00
11.13
7.75
0.45
0.43
21/2
R28
123.83
98.43
111.13
19.05
17.53
12.70
8.66
0.57
0.55
3
R29
122.25
106.35
114.30
14.22
12.70
7.95
5.23
0.28
0.26
3
R30
128.60
106.35
117.48
17.53
16.00
11.13
7.75
0.48
0.47
3
3
3
3
3
R31
134.95
112.70
123.83
17.53
16.00
11.13
7.75
0.51
0.50
3
R32
139.70
114.83
127.00
19.05
17.53
12.70
8.66
0.65
0.63
31/2
R33
139.73
123.83
131.78
14.22
12.70
7.95
5.23
0.32
0.30
31/2
R34
142.90
120.65
131.78
17.53
16.00
11.13
7.75
0.54
0.52
3
3
R35
147.65
125.40
136.53
17.53
16.00
11.13
7.75
0.56
0.55
4
R36
157.18
141.27
149.23
14.22
12.70
7.95
5.23
0.37
0.34
4
4
4
4
4
31/2
R37
160.35
138.10
149.23
17.53
16.00
11.13
7.75
0.62
0.60
4
R38
173.05
141.30
157.18
22.35
20.57
15.88
10.49
1.16
1.14
4
R39
173.05
150.80
161.93
17.53
16.00
11.13
7.75
0.67
0.65
5
R40
179.40
163.50
171.45
14.22
12.70
7.95
5.23
0.42
0.39
5
5
5
5
5
R41
192.10
169.85
180.98
17.53
16.00
11.13
7.75
0.75
0.73
5
R42
209.55
171.45
190.50
25.40
23.88
19.05
12.32
1.91
1.88
6
R43
201.63
185.72
193.68
14.22
12.70
7.95
5.23
0.48
0.44
5
5
R44
204.80
182.55
193.68
17.53
16.00
11.13
7.75
0.80
0.78
6
6
6
6
6
R45
222.28
200.03
211.15
17.53
16.00
11.13
7.75
0.87
0.85
6
6
R46
223.85
198.45
211.15
19.05
17.53
12.70
8.66
1.08
1.05
6
R47
247.65
209.55
228.60
25.40
23.88
19.05
12.32
2.29
2.26
8
R48
255.60
239.70
247.65
14.22
12.70
7.95
5.23
0.61
0.56
8
8
8
8
8
R49
281.00
258.75
269.88
17.53
16.00
11.13
7.75
1.11
1.09
8
8
R50
285.75
254.00
269.88
22.35
20.57
15.88
10.49
1.99
1.95
Address:
409, Golden Mansion, 2-2 Xiangjiang Road, Wuxi New District, Wuxi, Jiangsu, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Chemicals, Construction & Decoration, Electrical & Electronics, Industrial Equipment & Components, Manufacturing & Processing Machinery, Service, Textile
Company Introduction:
As early as from 1997, Robinson Shao joined Jiangsu High Hope Wuxi Company. From then on, the growing business and respectable personality of Mr. Robinson Shao made possible the consolidation of their activity and the incorporation of new and stable suppliers. In 2007, Robinson Shao founded Wuxi Friendship International (WFI). The company started being the agent in China for many international clients who produced essential oils and aroma chemicals for the flavours and fragrance industry, and we handles metal forging, casting, welding, machining, heat treatment and other fabrication and installation. Going back to our roots, the group is taking its wealth of professional knowledge from long years of practice incorporating it into a new philosophy of every co-operation. Robust, rigid and versatile, our CNC series will accommodate everything from light to heavy machining, from easy to complicated structure. With WFI on your side, you gain direct access to the people, technology, and ideas you need to capture opportunities and position your business for the future. Single-source simplicity means the responsibility for answers and support rests entirely with us, period. So instead of excuses, you benefit from a wealth of resources and refreshing peace of mind. A lasting commitment from us and long-term solutions for you. That is WFI and that is a motion to push forward.