Reducing Tee, Slip x Slip x Slip PVC Schedule 40 4" x 4" x 1/2" (401-415)
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Reducing Tee, Slip x Slip x Slip PVC Schedule 40 4" x 4" x 1/2" (401-415)
The 401-415 is a PVC Schedule 40 reducing tee with a 4" slip (socket) run and a 1/2" slip (socket) branch outlet, all joined by solvent cement welding per ASTM D2564. The two 4" run ports accept standard 4" PVC pipe ends for a permanent, pressure-rated inline connection, while the 1/2" slip branch accepts a standard 1/2" PVC pipe end — creating a fully solvent-welded, three-way reducing junction with no threaded connections at any port.
Manufactured from rigid PVC compound conforming to ASTM D1784 cell classification requirements, this fitting delivers the corrosion resistance, chemical compatibility, and long service life associated with Schedule 40 PVC across a wide range of commercial, industrial, and municipal piping systems. The Schedule 40 wall thickness provides reliable pressure-rated performance for both pressurized distribution systems and gravity-flow applications.
The 401-415 is the all-slip counterpart to the 402-416 (4" x 4" x 3/4" FPT branch) and occupies the most specialized position within the 4" reducing tee family — the 1/2" branch is the smallest standard pipe size, making this fitting the correct choice when a 4" mainline must be tapped for the most minimal of service connections: condensate drain taps, air vent connections, chemical injection points, pressure relief discharge lines, and other low-volume permanent branch requirements where the branch will never need to be disconnected or serviced. The all-slip configuration produces three permanent solvent-welded joints — a meaningful distinction from the hybrid slip x slip x FPT tees in the 402-4xx series, which offer a threaded branch for serviceability. When the branch connection is permanent by design and the downstream 1/2" line will not require future removal, the all-slip 401-415 delivers a cleaner, fully solvent-welded installation with no thread engagement or sealant requirements at any port. The extreme 4" to 1/2" size differential — seven pipe sizes in a single fitting — makes this one of the most aggressive reducing tees in the Schedule 40 catalog, and the fitting should be selected specifically for applications where the branch is a nominal tributary to the 4" mainline rather than a meaningful flow branch.
Specifications:
| Attribute | Detail |
|---|---|
| Part Number | 401-415 |
| Material | PVC (Polyvinyl Chloride) |
| Schedule / Class | Schedule 40 |
| Fitting Type | Reducing Tee |
| Run End Connection | Slip (Socket) x Slip (Socket) |
| Branch End Connection | Slip (Socket) |
| Run Size | 4" x 4" |
| Branch Size | 1/2" |
| Connection Method | Solvent Cement Weld (all ports) |
| Pressure Rating | Rated per ASTM D2466 (temperature and size dependent) |
| Temperature Range | Up to 140°F (60°C) for pressure service |
| Color | White/Gray (PVC natural) |
| Standards | ASTM D2466, ASTM D1784 |
| Listing | NSF/ANSI 61 (potable water contact) |
Industries & Applications:
- Irrigation & Agriculture — Permanent minimal-flow branch taps off 4" mainline headers for 1/2" chemical injection lines, air vent connections, and pressure relief discharge points in large-scale pressurized irrigation systems where the branch will not require future removal or servicing
- Municipal Water & Wastewater — Permanent sample taps, chemical dosing injection points, and minimal-flow service branches off 4" distribution mains at pump stations and treatment facilities where a fully solvent-welded branch connection is preferred over a threaded tap
- Industrial Process Piping — Permanent 1/2" branch taps off 4" process fluid and cooling water mainlines for chemical injection, air venting, pressure relief discharge, and low-volume sampling connections requiring a fully solvent-welded three-way junction
- HVAC & Mechanical — Permanent condensate drain taps, air vent connections, and minimal-flow service branches off 4" chilled water and condenser water mainlines in commercial mechanical rooms where all-slip construction is specified for the branch connection
- Commercial Plumbing — Minimal-flow permanent branch connections off 4" distribution headers for equipment drain taps, overflow discharge lines, and low-volume utility connections in mechanical rooms and equipment areas
- Fire Suppression — Permanent pressure gauge taps, inspector test connection feeds, and minimal-flow instrument branches off 4" sprinkler system mains where a fully solvent-welded 1/2" branch is preferred over a threaded tap fitting
- Part #:
- 401-415
- Product Family:
- Sch 40 PVC
- Carton Qty:
- 4
- Pallet Qty:
- 256
- Size:
- 4"
