This reference page brings together the dimensional, weight, fastening, and CAD information for a 24-inch Class 1500 blind flange. Use the values below as a drafting and coordination reference, then verify the selected component against the project specification before fabrication or installation.
For efficient piping work, compare this page with related blind flange sizes, flange dimension references, pipe schedules, and bolt pattern resources. These cross-checks help identify connection differences when equipment, valves, fittings, or adjoining piping are revised.
Blind Flange 24″ Class 1500
Blind Flange 24″ Class 1500 is used to seal the end of a piping system or close off a flange connection in Class 1500 service. It is a solid flange without a center bore and is commonly used in industrial piping systems, maintenance isolation points, and future pipeline expansion connections where a very high pressure rating is required.
This dimension data is based on ANSI / ASME B16.5-2020.
Blind Flange 24″ Class 1500 Dimensions
- Reference Standard: ANSI / ASME B16.5
- Nominal Pipe Size (NPS): 24″
- DN Size: DN600
- Flange Thickness: 203.2mm
- Weight: 1648kg
- Stud Bolt Size: 3 1/2″ UNC (or M90) x 615 Long
- Number of Bolts: 16
- Hole Diameter: 3 5/8″ (92.075mm)
What Is a Blind Flange?
A blind flange is a blank flange used to close the end of a pipeline, vessel nozzle, or equipment connection. It provides a secure shutoff point and is often selected when future maintenance, inspection, or line extension may be required.
Common Applications
Blind Flange 24″ Class 1500 is commonly used for:
- Pipe end closure
- Equipment isolation
- Valve and nozzle blanking
- Maintenance shutdown work
- Process and utility piping systems
- Very high pressure piping applications
CAD Drawing Download
This page includes the CAD drawing file for Blind Flange 24″ Class 1500, which can be used for drafting, detailing, and piping layout coordination.
Available Blind Flange Class 1500 Sizes
This size is part of the Blind Flange Class 1500 series. Check other sizes in the same category to find matching dimension data and CAD files for your project.
Notes
Before fabrication or installation, always confirm the latest project requirements, flange material specification, gasket type, bolt length, and applicable pressure-temperature rating.
How to Read This Blind Flange Reference
A blind flange has no central pipe opening. Instead, its solid face closes a flanged connection, allowing a line or equipment nozzle to be isolated without removing the surrounding flange assembly. The flange thickness, bolt arrangement, hole diameter, and stud information work together as a connection reference; they should not be treated as interchangeable dimensions.
Dimension and Weight Checks
The source data separates the nominal pipe designation from the flange dimensions. NPS and DN identify the nominal connection size, while thickness describes the flange body and the listed weight supports handling, shipping, and material-planning discussions. Actual lifting and installation procedures still require project-specific review of access, tooling, and site conditions.
Bolting and Installation Review
Confirm the listed stud-bolt designation, length, quantity, and hole diameter against the approved flange, gasket, nut, washer, and bolting requirements. The notation showing an inch-based UNC designation or metric alternative should be resolved through the project specification rather than assumed to represent interchangeable hardware in every application.
Before assembly, verify facing details, gasket selection, material compatibility, tightening procedure, and the applicable pressure-temperature basis. A Class designation alone does not replace a complete rating and material review. Do not use the flange data as a substitute for piping flexibility, equipment-nozzle, leak-control, or pressure-boundary engineering checks.
CAD and Related Reference Work
The downloadable DWG can support preliminary drafting, layout coordination, and detailing. Check the drawing units, insertion scale, revision status, and connection orientation before incorporating it into a project model. For broader coordination, review related flange families and matching piping components rather than relying on a single isolated drawing.
Frequently Asked Questions
What is a 24-inch Class 1500 blind flange used for?
It is used to close a flanged piping or equipment connection where a solid, removable blank is required. Typical planning contexts include isolation, maintenance, nozzle blanking, and future connection work, subject to engineering approval.
Does a blind flange have a center bore?
No. A blind flange is a solid flange without a central pipe opening. Its purpose is to close the connection rather than provide a passage for fluid.
What bolt information is provided on this page?
The source lists the stud-bolt designation and length, the number of bolts, and the hole diameter. Confirm these details with the approved flange and bolting specification before ordering or installation.
Can the DWG be used directly for fabrication?
The DWG is intended as a drafting and coordination resource. Before fabrication, verify the drawing revision, units, material requirements, facing details, gasket arrangement, bolting, and all project-specific requirements.
Is the listed weight sufficient for lifting planning?
The listed weight is useful for preliminary handling and logistics review, but lifting plans must also consider the complete assembly, lifting points, equipment capacity, access, and site controls.