Coupling, FPT x FPT PVC Schedule 80 2-1/2" (830-025)

The 2-1/2" PVC Schedule 80 Threaded Coupling (FPT x FPT) joins two 2-1/2" male NPT-threaded pipes or fittings in a straight, inline connection. Both ends accept standard 2-1/2" MPT connections, making this coupling a straightforward solution for extending a threaded PVC run, reconnecting a threaded line after maintenance, or joining two threaded components in a system where solvent weld is not appropriate or practical.

The all-threaded configuration distinguishes this coupling from slip couplings in one important respect — the connection is inherently re-workable. Where a solvent-weld coupling creates a permanent, chemically bonded joint, a threaded coupling assembled with appropriate thread sealant can be disassembled with standard tools, making it well-suited for systems where future access, modification, or reconfiguration is a design consideration. This also makes threaded couplings a common choice at equipment interfaces, access points, and anywhere the piping system may need to be broken and reassembled over its service life.

Manufactured to ASTM D2464 standards and listed under NSF/ANSI 14, the 830-025 is molded from dark gray Schedule 80 PVC compound, delivering the greater wall thickness, elevated pressure ratings, and broad chemical resistance that Schedule 80 specifications require. At 2-1/2", this fitting is most commonly found in commercial mechanical systems, industrial process piping, pump station infrastructure, and chemical distribution systems rather than in typical residential applications.

Specifications:

Industries & Applications:

• Pump Systems & Mechanical Rooms — Used to join threaded pipe sections or reconnect threaded runs at pump assemblies, valve stations, and mechanical room equipment connections where re-workable joints are preferred over permanent solvent-weld connections
• Chemical Processing — Joins threaded PVC pipe in chemical feed, transfer, and distribution systems where broad chemical resistance is required and the ability to disassemble and reconfigure the line over time is a practical advantage
• Industrial Manufacturing — Applied in process piping systems where 2-1/2" threaded Schedule 80 connections are specified at equipment interfaces, instrument ports, and inline component connections requiring periodic access or replacement
• Municipal Water & Wastewater — Installed in pump stations, treatment facilities, and distribution infrastructure where threaded Schedule 80 couplings are specified for pressure integrity, corrosion resistance, and long-term serviceability at connection points
• Commercial Plumbing — Used in mechanical room service piping and large-diameter threaded systems where a pressure-rated, re-workable coupling is required to join or extend a 2-1/2" NPT pipe run
• Irrigation & Agricultural — Applied at pump discharge assemblies, filter station connections, and mainline valve assemblies where 2-1/2" threaded Schedule 80 pipe sections must be joined or reconnected following maintenance or seasonal system changes
• Aquaculture & Water Treatment — Connects threaded pipe sections at filtration vessel inlets and outlets, UV system connections, and treatment equipment interfaces in recirculating systems where Schedule 80-rated, chemically resistant threaded joints are required