Description
150# Bronze Blind Flange
ASC 150# Bronze Blind Flange Fig. 16BL1 provides a solid Class 150 bolted flange closure for terminating or isolating the end of a compatible flanged piping connection.
Constructed from cast bronze ASTM B62, UNS Alloy C83600, the 16BL1 provides a removable bolted closure for commercial, industrial, mechanical, and other compatible bronze piping systems.
Product Highlights
- ASC Fig. 16BL1
- Class 150 blind flange
- Solid closure configuration
- ASTM B62 cast bronze
- ASME B16.24 flange dimensions
- 100% air tested
Technical Specifications
| Product Type | Bronze Blind Flange |
|---|---|
| Brand | SCI / ASC |
| Manufacturer | ASC Engineered Solutions |
| Figure | 16BL1 |
| Pressure Class | Class 150 |
| Material | Cast Bronze |
| Bronze Specification | ASTM B62, UNS Alloy C83600 |
| Connection | Bolted Flange |
| Configuration | Blind / Solid Closure |
| Flange Standard | ASME B16.24 |
| Primary Function | Terminate or Isolate a Flanged Connection |
Construction Details
ASC Fig. 16BL1 is a Class 150 cast bronze blind flange designed to close the end of a compatible flanged piping connection without providing a through-flow opening.
The bronze casting conforms to ASTM B62, UNS Alloy C83600, while the flange dimensions conform to ASME B16.24 for compatibility with the appropriate mating flange pattern.
The removable bolted design allows access to the piping system when required, while ASC specifies 100% air testing and independent verification of applicable chemical and physical properties.
Design & Typical Applications
Blind Flange Design
- Solid center construction
- Class 150 flange pattern
- Cast bronze body
- Bolted connection
- Removable system closure
Typical Applications
- Piping system terminations
- Temporary system isolation
- Industrial piping systems
- Mechanical piping systems
- Equipment flange closures
Installation & Selection Considerations
- Confirm the required flange size.
- Verify Class 150 compatibility.
- Inspect the mating flange face.
- Select the proper flange gasket.
- Tighten flange bolts evenly.

Use the SCI Bronze Fittings document to confirm Fig. 16BL1 product identification, bronze fitting information, and the correct ASC item number for your application.
Need Help Selecting a 150# Bronze Blind Flange?
Need help confirming the flange size, pressure class, mating flange, or closure requirements? The GetPipe.com Team can help you select the correct ASC bronze blind flange.
Frequently Asked Questions
What is the 150# Bronze Blind Flange used for?
It is used to close, terminate, or isolate the end of a compatible Class 150 flanged piping connection.
What figure identifies the ASC Bronze Blind Flange?
ASC Engineered Solutions identifies the Class 150 Bronze Blind Flange as Fig. 16BL1.
What material is the blind flange manufactured from?
The flange is manufactured from cast bronze conforming to ASTM B62, UNS Alloy C83600.
Does the blind flange have a pipe opening?
No. A blind flange has a solid center and is designed to close a flanged piping connection.
What standard applies to the flange dimensions?
ASC specifies bronze flange dimensions conforming to ASME B16.24.
Can a blind flange be removed later?
Yes. Its bolted configuration allows the flange to be removed when access to the piping system is required.
Is the bronze blind flange tested?
ASC specifies 100% air testing and independent verification of applicable chemical and physical properties.
What should I confirm before ordering?
Confirm the flange size, Class 150 requirement, mating flange pattern, gasket, and intended closure application.
Important Ordering & Installation Notes
- Confirm the required flange size.
- Verify Class 150 compatibility.
- Inspect the mating flange face.
- Select the correct flange gasket.
- Tighten flange bolts evenly.