Tee, FPT x FPT x FPT PVC Schedule 80 1/2" (805-005)

This 1/2" Schedule 80 PVC FPT × FPT × FPT Tee provides a full-size, all-threaded branch connection in a fully threaded Schedule 80 PVC pressure piping system. All three female NPT threaded ends receive standard 1/2" male-threaded pipe, nipples, or MPT fittings — the two run ports maintaining the straight-through threaded run while the branch outlet presents an equal 1/2" FPT opening perpendicular to the run, with no size reduction at any end of the tee body.

The all-threaded construction is the defining feature that positions the 805-005 within the Schedule 80 tee family at 1/2". Where the 801-series Slip × Slip × Slip tee serves solvent-welded PVC pipe systems with socket ends at all three positions, and the 802-series Slip × Slip × FPT tee bridges a solvent-welded run to a threaded branch outlet, the 805-005 is the tee of choice wherever all three connections in the assembly are threaded — both sides of the through-run and the branch outlet all receiving nipples, MPT-terminated fittings, or male-threaded pipe ends without solvent cement at any port. When the system configuration at the branch point is fully threaded, the 805-005 is the correct tee selection; when either the run or the branch is solvent-welded PVC pipe, the 801 or 802-series applies.

At 1/2" Schedule 80, the all-threaded FPT × FPT × FPT tee appears with particular frequency in a specific subset of system types where small-bore threaded construction is standard practice. Chemical dosing and injection systems — where the piping is built from threaded fittings, nipples, and stainless or PVC components assembled without solvent cement to facilitate disassembly and maintenance — use the 805-005 as the standard branch tee at every three-way split in the dosing header. Instrument supply systems, control panel piping, and analyzer sample conditioning assemblies where 1/2" threaded components must be branched and distributed across multiple instrument connections rely on the all-threaded tee to maintain the threaded system construction through each branch point. Equipment connection assemblies, mechanical room branch piping, and anywhere that 1/2" Schedule 80 threaded pipe is used as a system of nipples-and-fittings rather than solvent-welded pipe will encounter the 805-005 as a foundational branch component.

The equal configuration — all three ports at the same 1/2" FPT size — provides full branch capacity matching the run at every branch position. When the branch requires a smaller diameter than the run, a reducing tee or downstream reducing bushing is appropriate; the 805-005 is the correct selection wherever the branch must carry the same capacity as the through-run and the system is fully threaded.

The elevated pressure rating at 1/2" Schedule 80 — approximately 850 psi at 73°F — reflects the significantly higher pressure capacity of small-bore Schedule 80 PVC fittings relative to larger sizes and makes the 805-005 well-suited for high-pressure instrument supply lines, chemical injection headers, and control system piping where pressure demands exceed the ratings typical of larger-bore threaded Schedule 80 tees.

Manufactured in dark gray Schedule 80 PVC, this tee delivers the increased wall thickness and mechanical strength required in industrial, chemical, and commercial pressure piping where Schedule 40 ratings are insufficient. PVC's broad chemical resistance covers acids, bases, salts, chlorine, and most common process fluids, providing long service life in corrosive environments where metal tees would corrode, scale, or seize on threads over time. NSF/ANSI 61 listing confirms suitability for potable water contact.

Rated to 850 psi at 73°F, this tee handles standard to elevated pressure service across a wide range of fluid handling applications in small-bore threaded Schedule 80 systems. Apply PTFE tape or compatible pipe thread sealant to all male threads before engaging any of the three FPT ends. Hand-tighten plus one to two turns at each port — do not over-torque PVC female threads, as excessive force risks cracking the tee body at the thread root, particularly at the branch port. When assembling a nipple-tee-nipple run, make up the run ports evenly before engaging the branch port and avoid applying torsional stress to one port while tightening another. Apply published pressure derating factors for service temperatures above 73°F.

Specifications:

Industries & Applications:

• Chemical Dosing & Injection Systems — The defining application for the 1/2" Schedule 80 all-threaded tee: provides full-size 1/2" FPT branch outlets at every three-way split in chemical dosing headers, injection quill assemblies, reagent distribution manifolds, and back-pressure valve circuit branches where fully threaded construction is standard practice to facilitate disassembly, maintenance, and component replacement without cutting solvent-cemented pipe — the 805-005 is the foundational branch tee in any 1/2" threaded Schedule 80 chemical dosing assembly
• Instrument Supply & Control System Piping — Branches 1/2" Schedule 80 threaded instrument supply runs at distribution points feeding multiple instrument connections, analyzer inlets, pressure transmitter supply branches, and control valve pilot lines in industrial and commercial PVC instrument supply systems where fully threaded construction allows branch points to be added, modified, and maintained without cement work at the tee body
• Industrial Process Piping — Provides a full-size 1/2" FPT branch outlet at every three-way split in fully threaded Schedule 80 PVC process piping assemblies at chemical injection points, equipment supply branches, sampling valve connections, and zone distribution takeoffs in chemical processing, water treatment, and manufacturing facility piping where threaded construction is specified throughout the 1/2" pipe runs
• Commercial Plumbing — Branches 1/2" threaded runs at equipment supply connections, valve assembly branch points, and secondary zone supply takeoffs in mechanical room and building water supply Schedule 80 systems where the small-bore piping is constructed with threaded fittings and nipples rather than solvent-welded pipe runs
• Threaded System Repair & Extension — Introduces a new branch into an existing 1/2" threaded Schedule 80 PVC system by threading the 805-005 tee into a nipple run between two existing fittings — adding a branch distribution point without cutting solvent-cemented pipe or performing cement work at the branch position in an established threaded assembly
• Water & Wastewater Treatment — Distributes 1/2" threaded runs at chemical dosing branch points, instrument supply splits, sampling valve branches, and parallel equipment distribution positions along Schedule 80 PVC threaded process headers and chemical feed systems in municipal and industrial water treatment and distribution facilities where 1/2" threaded construction is used at dosing and instrument connection points
• HVAC & Mechanical Systems — Provides a full-size 1/2" threaded branch point on Schedule 80 PVC cooling tower chemical feed lines, treated water distribution branches, and glycol system threaded small-bore assemblies where all-threaded construction is specified at the tee position and the branch must carry the full 1/2" capacity of the run in commercial mechanical system piping