Spin Flanges
| Normal Pipe Size |
R |
Y |
W (Min) |
O (Min) CRES |
H (Min) CRES |
O (Min) CUNI |
H (Min) CUNI |
| 1 |
1 7/8" |
2 |
0.116 |
0.109 |
0.095 |
0.074 |
0.065 |
| 1.5 |
1 7/8" |
2.88 |
0.127 |
0.109 |
0.095 |
0.072 |
0.072 |
| 2 |
2 3/8" |
3.62 |
0.135 |
0.109 |
0.095 |
0.095 |
0.083 |
| 2.5 |
2 3/8" |
4.12 |
0.178 |
0.12 |
0.105 |
0.095 |
0.083 |
| 3 |
2 3/8" |
5 |
0.189 |
0.12 |
0.105 |
0.108 |
0.095 |
| 4 |
2 7/8" |
6.19 |
0.207 |
0.12 |
0.105 |
0.108 |
0.095 |
| 5 |
2 7/8" |
7.31 |
0.226 |
0.134 |
0.117 |
0.137 |
0.12 |
| 6 |
3 3/8" |
8.5 |
0.245 |
0.134 |
0.117 |
0.153 |
0.134 |
| 8 |
3 7/8" |
10.62 |
0.282 |
0.148 |
0.13 |
0.172 |
0.151 |
Spin Flange Notes:
-
Stub ends to be used with bolting rings. The two piece assembly is shown on sheet 2.
-
The machined surface finish of the gasket mating surface shall be in accordance with ANSI B46.1. Either a serrated concetric or serrated spiral finish having from 30 to 80 serrations of uniform depth per inch shall be used. The resulting surface finish shall have a 125 microinch to 500 microinch roughness.
Want to know more about Bestweld and it’s history?
Bestweld was incorporated in September 1981 and is a veteran owned and operated company. Through innovative pipe fitting solutions and hard work Bestweld is able to employ over thirty people. One of the main strengths of Bestweld is our employees. We employ intelligent and motivated individuals who are ambitious, conscientious and possess a positive attitude. Bestweld is honest, fair, professional, and ambitious in our business dealings.
We provide cost effective pipe fitting solutions through focusing on safety, quality and performance. The quality and reliability of the products and services offered by Bestweld are maintained at levels consistent with our internal procedures and with customer expectations. Our employees dedicate themselves to Bestweld’s quality assurance systems and resultant high level of quality and service. The management of Bestweld coordinates the administrative, marketing, production and quality assurance resources to ensure the attainment of our primary mission.
Bestweld will work with our suppliers and customers, as partners, to continuously improve our products and services. The delivery of high quality, superior products leads to the success of Bestweld and its business partners.
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