Coupling, Slip PVC Schedule 80 2" x 1-1/4" (829-250)

The 829-250 is a Schedule 80 PVC reducing slip coupling designed to transition a 2-inch mainline to a 1-1/4-inch continuation or branch line using solvent cement socket connections on both ends. The one nominal pipe size step between ends makes the 829-250 a natural fit for distribution manifolds, pump discharge piping, and equipment connections where flow velocity and pipe sizing are optimized across successive system segments.

Schedule 80 construction delivers higher pressure ratings and greater wall thickness than Schedule 40, providing added margin in pressurized chemical feed, industrial process, and utility water systems. Both socket ends are dimensioned to accept standard Schedule 80 pipe for full solvent weld engagement, producing a joint with strength comparable to the pipe itself when properly primed and cemented.

Gray PVC offers broad compatibility with acids, bases, salts, and many industrial chemicals, and eliminates corrosion concerns in wet or chemically aggressive environments. This fitting is manufactured to ASTM D2467 dimensional standards from virgin PVC compound conforming to ASTM D1784 Cell Classification 12454.

Specifications:

Pressure ratings are for water service at 73°F. Derate for elevated temperatures and aggressive chemical service per manufacturer guidelines.

Industries & Applications:

The 829-250 Schedule 80 reducing slip coupling is well-suited for applications requiring a close-step reduction from 2-inch mains to 1-1/4-inch lines in corrosion-resistant, pressure-rated piping systems:

• Industrial Process Piping — Single-step reductions on chemical distribution headers, reagent delivery lines, and recirculation loops transitioning from 2-inch mains to 1-1/4-inch service runs
• Chemical Processing & Water Treatment — Chlorination systems, acid dosing loops, and polymer feed lines where solvent-welded Schedule 80 joints provide superior chemical and pressure resistance over threaded alternatives
• Pump Discharge & Equipment Connections — Transition fittings between pump outlet flanges or adapters and downstream 1-1/4-inch piping runs in packaged pump and filtration systems
• Municipal & Commercial Plumbing — Mechanical room and utility water piping where a tight nominal step-down is needed and Schedule 80 strength is specified by code or engineer
• Agricultural Irrigation — Reducing connections on 2-inch supply headers stepping down to 1-1/4-inch zone mains feeding drip or sprinkler laterals
• HVAC & Cooling Tower Systems — Chemical treatment feed lines and condenser water piping transitions where non-metallic construction eliminates corrosion-related maintenance
• Aquaculture & Commercial Aquatics — Recirculating system headers and pool/spa mechanical rooms where continuous chemical exposure demands chemically inert fittings