Value Brand
Value Brand 3/4" Black Forged Steel Half Coupling
Black forged steel half coupling rated to 3000 psi at 72 degrees F with FNPT connection meeting ANSI B 1.20 and ASME B 16.11 standards
- 3000 psi rated strength for high-pressure systems
- Class 3000 forged steel construction resists mechanical stress
- FNPT threads seal to ANSI B1.20.1 standard
- ASME B16.11 and SA105 compliance ensures dimensional accuracy
- ASTM A105 material certified for 72 Degrees F operating temperature
3/4" Forged Steel Half Coupling
This 3/4 inch black forged steel half coupling provides a female NPT connection for joining pipe or equipment. It meets ANSI B1.20.1, ASME B16.11 and ASTM A105 standards for dimensional accuracy and material quality. The Class 3000 rating supports a maximum pressure of 3000 psi at 72 degrees Fahrenheit. Suitable for general industrial and plumbing piping systems.
Installers needing a Class 3000 FNPT branch
This fitting suits installers who need a standard half coupling for threaded pipe assemblies rated to Class 3000. It is not for systems requiring a socket weld or butt weld end preparation. Buyers needing a full coupling to join two male threads should select a different fitting type. Applications demanding pressure ratings above 3000 psi at the reference temperature require a higher class fitting.
Maximum pressure 3000 psi at 72 degrees F
The decisive specification is the 3000 psi pressure rating at 72 degrees Fahrenheit defined by the Class 3000 schedule. This limit determines whether the coupling can safely contain the system's operating pressure at that temperature. Verify the service pressure and temperature against this rating before installation. The ASTM A105 material certification confirms the forging meets the required mechanical properties for this class.
Highlights
- 3000 psi rated strength for high-pressure systems
- Class 3000 forged steel construction resists mechanical stress
- FNPT threads seal to ANSI B1.20.1 standard
- ASME B16.11 and SA105 compliance ensures dimensional accuracy
- ASTM A105 material certified for 72 Degrees F operating temperature
Specifications
| Brand | ZORO SELECT |
|---|
Questions about this item
How do I install the 3/4" FNPT half coupling and what step is often missed?
Wrap PTFE tape clockwise on male threads, hand-tighten the coupling, then finish with a wrench; the step often missed is checking alignment before final torque to avoid cross-threading the forged steel threads.
What maintenance or replacement will the Class 3000 forged steel coupling need later?
Inspect threads and sealing surfaces annually for corrosion or deformation; replace the coupling if thread galling, cracks, or leakage appear, as forged steel cannot be repaired once damaged.
What limit appears first on this half coupling under sustained pressure at 72 Degrees F?
The 3000 psi pressure rating per ASME B16.11 and ASTM A105 is the primary limit; sustained operation at this pressure and temperature may accelerate creep or seal degradation over time.
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