Overview
The T8594 long weld neck flange is a high-pressure industrial fitting constructed from forged steel and designed to meet ANSI/ASME B16.5 Class 900 specifications. With a 1.5″ nominal pipe size and 900 LBS pressure rating, this flange provides a secure, welded connection for critical piping applications. The extended hub design offers superior stress distribution and reinforcement, making it ideal for high-pressure systems, process piping, and industrial equipment requiring reliable connections at elevated pressures.
Key Features
- 900 LBS pressure rating — suitable for high-pressure industrial and hydraulic applications
- Extended hub design — distributes pressure evenly and minimizes stress concentration
- Forged steel construction — durable, corrosion-resistant material for harsh environments
- Welded connection — provides robust, permanent joints with excellent leak-free performance
- 1.5″ NPT diameter — compatible with standard industrial piping and equipment
Technical Specifications
- Pressure Rating: 900 LBS
- Nominal Pipe Size: 1.5″
- Material: Forged Steel
- Connection Type: Weld Neck
- Hub Style: Long Extended
- Standard: ANSI/ASME B16.5 Class 900
- Surface Finish: As-forged
Typical Applications
This T8594 weld neck flange is commonly used in:
- High-pressure hydraulic and pneumatic piping systems
- Pump discharge and return lines
- Industrial process piping and heat exchangers
- Pressure vessel connections
- Refinery and petrochemical equipment
- Water and steam distribution networks
- Machine tool hydraulic systems
Compatibility & Replacements
Compatible With
- ANSI B16.5 Class 900 rated pipe and fittings
- Standard 1.5″ NPT threaded and welded connections
- Industrial hydraulic and pneumatic systems
- Carbon steel and alloy steel piping
Replaces / Drop-In Replacement For
- Verify compatibility with your system integrator before ordering. Exact replacement models depend on flange face type, bore, and bolt hole configuration.
Works With
- Pipe welding and fabrication equipment
- Standard ANSI/ASME flange bolt sets
- Industrial inspection and test certifications (3.1, 3.2)
- Pressure-rated piping systems up to 900 LBS
