Tee, Slip x Slip x Slip PVC Schedule 80 6" x 2-1/2" (801-529)

The 6" x 2-1/2" PVC Schedule 80 Reducing Tee (801-529) is a heavy-duty, permanently solvent-welded branch fitting that maintains full 6" flow capacity through the run while delivering a 2-1/2" branch outlet — all in a single, Schedule 80-rated assembly. All three ports are configured as slip (socket) connections, accepting standard PVC solvent cement for a fast, structurally sound, pressure-rated bond directly to Schedule 80 pipe at both diameters.

The 6" run to 2-1/2" branch size relationship places the 801-529 in a distinct position within the reducing tee family for this run size. Unlike the 801-526 and 801-527 — which deliver 1-1/4" and 1-1/2" branches suited to instrument taps, chemical injection ports, and small vent connections — the 2-1/2" branch of the 801-529 carries meaningful secondary flow volume. This is a branch outlet sized for genuine secondary circuits: recirculation loops, bypass headers, tank fill lines, secondary distribution branches, and flow diversion connections where the branch must convey a substantial portion of the primary flow or serve a downstream circuit with real hydraulic demand.

At the same time, the 2-1/2" branch remains proportionally subordinate to the 6" run, preserving the primary mainline's flow capacity without the hydraulic disruption that a larger branch outlet would introduce at the tee junction. This balance — meaningful secondary flow capacity without compromising the primary run — defines the 801-529's application niche and distinguishes it from both the smaller-branch instrument-tap variants below it and the larger reducing tees above it in the Schedule 80 6" series.

Consolidating the 6"-to-2-1/2" transition into a single molded fitting eliminates the intermediate joints and additional fitting footprint that a full-size tee plus downstream reducer assembly would require. In congested mechanical spaces, buried process piping, or chemically aggressive environments where joint count reduction and compact assembly geometry are design priorities, the 801-529 delivers the branch connection efficiently and with the smallest possible fitting envelope.

Schedule 80 construction provides the thicker wall section, elevated pressure ratings, and chemical resistance that industrial and process piping demands at this run size. The dark gray PVC color is the recognized industry identifier for Schedule 80, providing immediate visual confirmation at inspection or maintenance that the system is built to industrial-grade specifications throughout. The all-slip permanent assembly is the correct choice for enclosed, buried, or chemically aggressive installations where joint access after commissioning is limited and long-term integrity without mechanical connection components is the design requirement.

Manufactured to ASTM D2467 standards, the 801-529 delivers the dimensional precision and socket concentricity required across all three ports — where the size differential between the 6" run sockets and the 2-1/2" branch socket in a single molded body demands precise manufacturing tolerances to ensure reliable solvent weld engagement and pressure integrity at every connection.

Specifications:

Industries & Applications:

Chemical Processing & Secondary Distribution Headers Chemical processing facilities running 6" primary distribution mains frequently need to branch off 2-1/2" secondary headers serving individual process units, reactor feed loops, or reagent distribution skids. The 2-1/2" branch carries sufficient flow for genuine secondary circuit demand — not merely an instrument tap or injection port, but a real process branch with downstream valves, flow meters, and equipment connections. The all-PVC Schedule 80 construction resists the concentrated acids, caustic solutions, oxidizing compounds, and industrial solvents that disqualify metallic fittings from chemical processing piping, with the permanent solvent-welded assembly providing the joint integrity that enclosed or buried chemical piping requires over a long service life.

Pump Recirculation & Minimum-Flow Bypass Loops Industrial centrifugal and positive displacement pumps require minimum-flow protection circuits that divert a portion of the discharge flow back to the suction source or surge tank when downstream demand falls below the pump's minimum continuous stable flow rate. A 2-1/2" recirculation branch off the 6" pump discharge header — sized to carry the required minimum bypass flow volume — is a natural application for the 801-529, with the permanently welded branch providing a vibration-resistant connection at the high-pressure discharge side of the pump circuit.

Water & Wastewater Treatment Plant Piping Primary process headers in water and wastewater treatment plants — influent distribution, filter backwash supply, recirculation mains, and chemical dilution headers — branch off 2-1/2" secondary circuits to serve individual process units, side-stream treatment loops, and chemical mixing chambers. The 2-1/2" branch is appropriately sized for these secondary process connections in treatment plant piping where Schedule 80 construction is standard for its chemical resistance, pressure capacity, and long service life under continuous-duty operating conditions.

Industrial Cooling & Process Water Distribution Cooling water supply and return headers in industrial facilities step down at equipment connections where individual heat exchangers, cooling coils, and process skids have smaller inlet sizes than the primary distribution main. A 2-1/2" branch off the 6" cooling water header delivers adequate flow for mid-size heat exchange equipment and process cooling loads, with the Schedule 80 construction resisting the chemical treatment agents — biocides, scale inhibitors, and corrosion control compounds — that make metallic fittings a liability in recirculating cooling water systems.

High-Pressure Irrigation & Agricultural Distribution Large-scale commercial irrigation systems — greenhouse complexes, nursery operations, and high-value orchard systems — running Schedule 80 mainlines at elevated pressures use reducing tees at zone header takeoffs where secondary distribution branches serve defined irrigation blocks or greenhouse zones. The 2-1/2" branch size serves mid-scale irrigation zones that require meaningful flow delivery beyond what a 1-1/2" or smaller branch can sustain at design operating pressure, while the permanent slip construction is appropriate for buried mainline infrastructure designed for long service life without maintenance access at buried joint locations.

Tank Fill, Transfer & Overflow Connections Process and storage tanks in industrial, chemical, and water treatment facilities require fill, transfer, and overflow connections off primary distribution or recirculation mains. A 2-1/2" branch off a 6" supply header provides adequate flow capacity for tank fill rates and overflow return lines in mid-size tank systems, with the slip-welded tee providing a permanent, vibration-resistant connection at the header tap point that a saddle clamp or mechanical branch connection cannot match under continuous-pressure service conditions.

Mining, Mineral Processing & Heavy Industrial Process water distribution headers, leach solution supply mains, and reagent feed lines in mining operations require mid-size branch connections for heap leach lateral distribution headers, solvent extraction unit feed lines, and secondary circuit supply connections. The all-slip Schedule 80 construction withstands the highly corrosive hydrometallurgical process solutions that characterize these environments, with the 2-1/2" branch providing the flow capacity needed for genuine secondary circuit supply — beyond the instrument-tap and injection-port role of smaller branch sizes — in buried or remote mining infrastructure where permanent welded joints are preferred over mechanical connections subject to vibration and movement.