Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!

Cast Iron Flanges - Stud Reference Chart

The number, diameter and length of studs for cast iron flanges class 125 and 250.

The studs sizes for cast iron flanges class 125 and 250 are indicated in the tables below. The sizes are for standard facing and standard pressure ratings flange to flange.

Cast Iron Flanges - Class 125

Cast Iron Flanges - Stud Reference Chart - Class 125
NPS
(in)
No. of
Studs
Diameter of Stud
(in)
Length of Stud
(in)
1/2 4 1/2 2-1/2
3/4 4 1/2 2-1/2
1 4 1/2 2-3/4
1-1/4 4 1/2 2-3/4
1-1/2 4 1/2 3
2 4 5/8 3-1/2
2-1/2 4 5/8 3-3/4
3 4 5/8 3-3/4
3-1/2 8 5/8 3-3/4
4 8 5/8 3-3/4
5 8 3/4 4
6 8 3/4 4-1/4
8 8 3/4 4-1/2
10 12 7/8 4-3/4
12 12 7/8 5
14 12 1 5-1/2
16 16 1 5-1/2
  • 1 inch = 25.4 mm

Cast Iron Flanges - Class 250

Cast Iron Flanges - Stud Reference Chart - Class 250
NPS
(in)
No. of
Studs
Diameter of Stud
(in)
Length of Stud
(in)
1/2 4 1/2 2-3/4
3/4 4 5/8 3-1/4
1 4 5/8 3-1/4
1-1/4 4 5/8 3-1/2
1-1/2 4 5/8 3-3/4
2 8 5/8 3-3/4
2-1/2 8 5/8 4-1/4
3 8 5/8 4-1/2
3-1/2 8 5/8 4-1/2
4 8 5/8 4-3/4
5 8 5/8 5
6 12 5/8 5
8 12 7/8 5-3/4
10 16 1 6-1/2
12 16 1-1/8 7
14 20 1-1/8 7-1/4
16 20 1-1/4 7-3/4
18 24 1-1/4 8

Related Topics

Related Documents

Search

Search is the most efficient way to navigate the Engineering ToolBox.

Engineering ToolBox - SketchUp Extension - Online 3D modeling!

3D Engineering ToolBox Extension to SketchUp - add parametric components to your SketchUp model

Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with older versions of the amazing SketchUp Make and the newer "up to date" SketchUp Pro . Add the Engineering ToolBox extension to your SketchUp Make/Pro from the Extension Warehouse !

Translate this Page

Translate this page to Your Own Language .

About the Engineering ToolBox!

Privacy Policy

We don't collect information from our users. More about

We use a third-party to provide monetization technologies for our site. You can review their privacy and cookie policy here.

You can change your privacy settings by clicking the following button: .

Citation

This page can be cited as

  • The Engineering ToolBox (2003). Cast Iron Flanges - Stud Reference Chart. [online] Available at: https://www.engineeringtoolbox.com/studs-cast-iron-flanges-d_343.html [Accessed Day Month Year].

Modify the access date according your visit.

3D Engineering ToolBox - draw and model technical applications! 2D Engineering ToolBox - create and share online diagram drawing templates! Engineering ToolBox Apps - mobile online and offline engineering applications!

Unit Converter

















































9.26.9

.