90 Degree Elbow, Slip x Slip PVC Schedule 80 3" x 1-1/4" (806-336)

The 3" x 1-1/4" PVC Schedule 80 Reducing 90 Degree Elbow (Part No. 806-336) is a pressure-rated, gray-body fitting designed to simultaneously redirect a Schedule 80 PVC piping system through a 90-degree turn and reduce the pipe diameter from 3" to 1-1/4" in a single compact component. Both ports accept solvent-cement joints in a slip (socket) configuration — the larger 3" socket on the inlet side and the smaller 1-1/4" socket on the outlet side — producing a rigid, leak-resistant assembly suited to the elevated pressures and chemically demanding environments where Schedule 80 is the specified standard.

The reducing 90-degree elbow is a purpose-built combination fitting that consolidates two separate functions — a directional change and a size reduction — into one component. The alternative assembly of a same-size 3" 90-degree elbow paired with a downstream 3" × 1-1/4" reducer or bushing accomplishes the same result but requires two fittings, two solvent-cement joints, and additional installed length in the turn assembly. In Schedule 80 pressure systems where joint count, assembly compactness, and fitting integrity are active design considerations, the reducing elbow's single-component approach is a recognized efficiency advantage — particularly in tight mechanical spaces where the combined length of a standard elbow plus reducer on the outlet would create clearance or alignment problems.

The 3" × 1-1/4" size combination reflects a substantial two-and-a-half-nominal-size step-down at the elbow — a reduction that is deliberate rather than transitional. This configuration appears most frequently at system points where a 3" pressure main must deliver a defined, moderate-capacity flow around a 90-degree corner to a 1-1/4" branch circuit, equipment inlet, or sub-distribution run. The turn and the reduction occurring simultaneously at a single fitting is a common design pattern in chemical dosing skids, compact process assemblies, instrumentation panels, and mechanical room equipment connections where the pipe must change direction and step down to a smaller connection size at the same junction point.

At 3" inlet and 1-1/4" outlet, this elbow interfaces naturally with a broad range of Schedule 80 downstream components in the 1-1/4" size — valves, unions, couplings, and equipment ports that use 1-1/4" as a standard connection size — without requiring additional reducers or bushings downstream of the elbow outlet.

Manufactured from Type I, Grade I PVC compound, this fitting conforms to ASTM D2467 dimensional standards and delivers the wall thickness and pressure ratings that define Schedule 80 over Schedule 40. Compatible with Schedule 80 PVC pipe and solvent cements conforming to ASTM D2564.

Specifications:

Industries & Applications:

• Industrial & Chemical Processing — Combined directional change and size reduction at a single fitting on chemical-resistant pressure lines where a 3" main must turn 90 degrees and step down to a 1-1/4" equipment inlet, secondary circuit, or process connection without downstream reducing hardware
• Municipal Water & Wastewater — 90-degree turns with simultaneous size reduction on 3" distribution or treatment infrastructure where a 1-1/4" service connection, metering tap, or equipment supply must be introduced at a right-angle junction point
• Commercial Plumbing — Mechanical room and equipment room assemblies on Schedule 80 systems where a 3" supply line must turn 90 degrees and transition to a 1-1/4" equipment connection, zone feed, or secondary circuit header at a single compact junction point
• Chemical Dosing & Water Treatment — Compact skid and panel assemblies where a 3" process line must simultaneously change direction and step down to a 1-1/4" dosing pump inlet, chemical feed connection, or instrumentation supply at a right-angle turn point
• Irrigation — Pump station and mainline assemblies on pressurized 3" irrigation systems where a 90-degree turn and a size reduction to 1-1/4" must occur at the same fitting location to accommodate equipment connections or compact manifold geometry
• Mining & Oil Field — Corrosive fluid handling systems requiring a durable, chemical-resistant combined directional and size-reduction fitting at 90-degree turn points on 3" pressure lines transitioning to 1-1/4" secondary circuits
• Aquaculture & Water Treatment — Recirculating system headers and compact equipment assemblies where a 3" distribution main must turn 90 degrees and step down to a 1-1/4" lateral supply circuit or equipment connection at a single fitting location