90 Degree Street Elbow, Spigot x Slip PVC Schedule 40 2-1/2" (409-025)

The 409-025 is a Schedule 40 PVC 90-degree street elbow with a 2-1/2-inch spigot (plain end) on one end and a 2-1/2-inch slip (socket) on the other. The spigot end cements directly into any standard 2-1/2" Schedule 40 or Schedule 80 PVC socket fitting — a tee branch, coupling, valve body, or another elbow socket — while the slip socket accepts the outside diameter of standard 2-1/2" Schedule 40 or Schedule 80 PVC pipe via solvent cement. This back-to-back fitting capability is the defining functional advantage of the street elbow configuration: by eliminating the short pipe nipple or cut pipe section that a standard slip x slip elbow would require between two adjacent fittings, the 409-025 reduces overall assembly length and allows a 90° change of direction to be made directly at another fitting's socket outlet.

Street elbows are particularly useful in tight or confined installations where assembly space is limited and a standard elbow's socket-to-socket geometry would require additional pipe length between fittings — equipment rooms, pump pad assemblies, manifold headers, and panel penetrations where every inch of run length matters. The spigot-into-socket configuration also provides a slight directional offset compared to a same-size elbow connected via pipe, which experienced installers use to fine-tune pipeline alignment during complex multi-fitting assemblies. Because the spigot end is a male connection rather than a female socket, the 409-025 can also be inserted directly into a tee branch, reducing tee, or other socket outlet as the first fitting off a junction without requiring any intervening pipe — a configuration that is not possible with a standard slip x slip elbow.

Manufactured from rigid, high-impact PVC compound, the 409-025 conforms to ASTM D2466 dimensional standards and is rated for continuous cold-water pressure service. Apply a medium-bodied PVC primer and standard-bodied PVC cement per ASTM D2564 to both the spigot end and the receiving socket, and to both the slip socket end and the pipe being inserted into it; ensure full insertion to the socket stop and maintain joint alignment during the cure set period at both connections.

Specifications:

Industries & Applications:

• Municipal & Commercial Plumbing — Makes a 90° directional change directly off a tee branch, coupling outlet, or valve socket in 2-1/2" Schedule 40 commercial supply and service piping where assembly space is limited and eliminating an intervening pipe section between fittings simplifies the installation.
• Water Treatment & Distribution — Used at pump discharge assemblies, filter manifold outlets, and treatment equipment connections where 2-1/2" Schedule 40 piping must turn 90° immediately off an existing fitting socket without the additional run length that a standard slip x slip elbow and pipe section would require.
• Irrigation & Agricultural Systems — Installed at pump station headers, filter assembly outlets, and control valve manifolds where a 2-1/2" mainline must change direction at a fitting-to-fitting connection point in confined pump house or equipment enclosure installations.
• Industrial Process Piping — Provides a compact back-to-back 90° turn in 2-1/2" PVC process lines at equipment pad assemblies, panel penetrations, and manifold outlets in corrosion-resistant systems where minimizing assembly length at directional transitions is a layout requirement.
• Pool & Spa Equipment Rooms — Used at equipment pad manifold connections, pump discharge outlets, and filter header transitions where 2-1/2" Schedule 40 piping must turn 90° directly off a fitting socket in congested equipment room installations with limited clearance between components.
• HVAC & Chilled Water Systems — Connects 2-1/2" PVC drainage or secondary piping directly to an adjacent fitting socket at a 90° direction change in mechanical room installations where space constraints make a standard elbow-plus-pipe configuration impractical.