ASME B16.47 Series A/MSS SP-44 Class 900 WN

The Welding neck flanges is normally referred to as the high hub flange. It is designed to transfer stresses to the pipe, thereby reducing high stress concentrations at the base of the flange.

The welding neck flange is the best designed butt-welded flange of those currently available because of its inherent structural value. It is expensive because of the design.


Norminal Pipe SizeO.D.of Flange, OMin.Thick-ness of WN Flange, tfLenth Through Hub, YDiam. of Hub, XHub Diam. Top, ARaised Fase Diam., RBore (XS)Diam of Bolt CircleNo.of Bolt HolesDiam.of Bolt HoleMin.Fillet Radius, r1Approxi-mate Weight kgs
261085139.7286775660.4749635.0952.52073.011683.01
281170142.9298832711.2800685.81022.42079.413808.16
301230149.3311889762.0857736.61085.82079.413924.60
321315158.8330946812.8914787.41155.72085.7131114.09
341395165.13491006863.6965838.21225.62092.1141298.15
361460171.53621064914.41022889.01289.02092.1141472.04
381460190.53521073965.21099939.81289.02092.1191436.84
401510196.936411271016.01162990.61339.82492.1211518.64
421560206.437111761066.012131040.61390.62492.1211654.33
441650214.439112351117.612701092.21463.72498.4221941.88
461735225.541112921168.413341143.01536.724104.8222261.24
481785233.441913431219.213841193.81587.524104.8242425.26
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...
  • 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...
  • 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 ...
  • 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 *