- Note:
- 1. Ring flanges available overbored or counterbored per customer specification.
2. Bolt holes shall be drilled 1/8th inch larger in diameter than the nominal diameter of the bolt, except for flanges larger than 84 inch in diameter which shall be drilled 3/16th inch larger than the nominal diameter of the bolt.
3. Drilling same as ANSI/ASME B16.1 125 lb and B16.5 150 lb pattern.
4. Flanges available overdrilled to accommodate insulators.
5. AWWA recommends the use of dished head assemblies as alternate to blind flanges, sizes over 72" nominal.
6. AWWA C207-01 Class B and D Hub Flanges are identical to Industry Standard Class 125 Light Weight Flanges.
These pipe flanges are used to seal the end of piping systems or pressure vessel openings.
They are commonly used for testing the flow of gas or liquid through a pipe or vessel.
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AWWA Class B-Ring and Blind Flanges
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Sunny Steel provide a wide range of steel products as Steel pipes, Seamless tube and seamless pipes, Alloy pipes, Pipe fittings, Composite steel pipe used in the industry, construction etc.You can get in touch by telephone, post, online or E-mail.
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- Address: Siping Road, Shanghai,200081, China
- Telephone:+8621 3378 0199
- Fax number: :+8621 6185 1035
- E-mail: sales@sunnysteel.com | sunnysteel@163.com