8" x 6" Schedule 40 Slip x Slip Reducer Coupling (429-585)

Our 8" x 6" PVC Schedule 40 reducing coupling (429-585) provides a direct inline pipe size transition from an 8" primary line to a 6" continuation run. It uses a Slip x Slip design, allowing both ends to accept standard Schedule 40 pipe for permanent solvent-welded installation.

This 8” x 6” Schedule 40 reducer coupling is commonly used for engineered PVC piping systems where flow transitions need to be efficient with limited space. By reducing from 8" to 6" in a single fitting, it eliminates the need for extra joints, fittings, and installation complexity at the transition point.

Crafted from durable PVC, this reducing coupling is made for commercial plumbing, municipal water distribution, irrigation, industrial piping, and other pressure-rated applications. For installation, follow the proper solvent welding procedures, such as primer use and cure time, before pressurizing the system.

Specifications:

Industries & Applications:

• Municipal and civil water distribution: Inline pipe size transitions from 8" transmission mains or supply headers to 6" distribution mains.
• Commercial plumbing: Primary supply header reductions across commercial facilities, campus systems, and institutional buildings.
• Industrial process piping: Controlled reductions for cooling water, process water, and plant utility systems.
• Fire suppression: Large-diameter pipe fittings for approved commercial and industrial fire protection applications.
• Irrigation and agriculture: Mainline-to-distribution reductions in agricultural and municipal irrigation systems.
• Water and wastewater treatment: PVC fittings for process headers, plant piping, and water distribution systems.

Why Buy from Maxx Supply?

Maxx Supply provides dependable access to large-diameter PVC fittings for commercial, municipal, and industrial piping systems. Contractors, municipalities, engineers, and procurement teams can easily source reducers, couplings, valves, pipe fittings, and related plumbing supplies from one source.

With fast delivery options, Maxx Supply helps cut downtime on large-scale projects, urgent repairs, and planned system upgrades. Plus, our bulk quantity availability and competitive pricing benefit contractors and project managers buying high-volume PVC piping components for infrastructure, commercial, and industrial work.

For hard-to-find large-diameter fittings, Maxx Supply is a trusted source for consistent quality and project-ready supply.