AWWA Class B-Hub and Blind Flanges

AWWA Class B-Hub and Blind Flanges
AWWA Class B-Hub and Blind Flanges
AWWA Class B-Hub and Blind Flanges
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
标签： ,

Hot flanges

  • Spectacle Blind Flange
    It is generally a piece of metal that is cut to fit between two pipe flanges and usually sandwiched between two gaskets. a spectacle blind i...
  • Spectacle blind flange Usage
    A spectacle blind is a safety device used to isolate a section of line or piece of equipment when the line or equipment needs to be inspecte...
  • Ring Joint Facings - ASME/ANSI B16.5 & B16.47-4
    Ring joint facing dimensions - ASME/ANSI B16.5 and B16.47 Series A (MSS SP-44) and Series B (API 605) (Continued) Notes - Ring join...
  • A figure-8 blank
    A figure-8 blank (also called a Spectacle Blind Flange) is a pressure-retaining plate with one solid end and one open end connected with a w...
  • Flat Face flange
    The Flat Face flange has a gasket surface in the same plane as the bolting circle face. Applications using flat face flanges are frequently ...
  • Ring Joint Facings - ASME/ANSI B16.5 & B16.47-2-2
    Manufacture of Pipe flanges, RTJ Flanges, Ring Type Joint Flange, Spectacle Blind Flange, ASME B16.48 Class 1500 Ring joint facing dimensio...
  • Orifice Flanges
    Two Orifice Flanges are called an orifice flange union. Each flange comes with two pipe taps for measuring the pressure drop of the flow thr...
  • Material of Flange and Pipe Fitting
    Pipe flange is a method of connecting pipes, valves, pumps and other equipment to form a piping system. It also provides easy access for...
  • Ring Joint Facings - ASME/ANSI B16.5 & B16.47
    Ring Type Joint Flange is a method of ensuring leak proof flange connection at high pressures. A metal ring is compressed into a hexagonal g...
  • AWWA Class D-Ring and Blind Flanges
    1. Ring flanges available overbored or counterbored per customer specification. 2. Bolt holes shall be drilled 1/8th inch larger in diameter...

Get in Touch

Welcome to Sunny Steel Enterprise Ltd.

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.
Please check the help section first to see if your question may be answered there.

Contact us

名称

电子邮件 *

消息 *