90 Degree Elbow, Slip x FPT PVC Schedule 80 2" x 1-1/2" (807-251)

The 807-251 is a 2" x 1-1/2" Schedule 80 PVC 90-degree reducing elbow with a slip (socket) connection on the 2-inch end and a female pipe thread (FPT) connection on the 1-1/2-inch end. This fitting accomplishes three distinct piping functions within a single fitting body: it redirects flow 90 degrees, steps the line size down from 2 inches to 1-1/2 inches, and transitions the connection type from solvent weld to threaded — eliminating what would otherwise require a standard 90-degree elbow, a separate reducing fitting, and a threaded adapter assembled in series. The result is a more compact installation with fewer joints, a reduced fitting count, and fewer potential leak points in the assembled run.

The 2-inch slip end accepts standard Schedule 80 PVC pipe for solvent weld assembly, while the 1-1/2-inch FPT end provides a standard female NPT threaded port that accepts male NPT fittings, threaded pipe, valves, and equipment connections directly. This mixed connection configuration is deliberately suited to systems where a permanent solvent welded mainline transitions at a direction change to a threaded service connection — pump inlets, valve bodies, equipment nozzles, and threaded branch assemblies — where the threaded end must be serviceable and reconnectable over the system's life while the upstream solvent weld run remains fixed.

The 2" to 1-1/2" reduction at the elbow is a single nominal step — one of the most common size transitions in industrial and commercial PVC piping — and the simultaneous direction change means the size reduction does not consume additional linear space or require a straight reducing fitting ahead of or behind the elbow. In tight equipment bays, panel-mounted assemblies, and pump skid installations where minimizing the pipe run footprint between a 2-inch main and a 1-1/2-inch threaded equipment connection is a priority, the 807-251 provides a clean, compact solution that a multi-fitting assembly cannot match.

Schedule 80 wall thickness delivers the higher pressure rating and mechanical strength required for industrial chemical feed, process piping, and utility systems. Gray PVC construction provides broad chemical resistance to acids, alkalis, salts, and many industrial process fluids with no corrosion risk in continuously wet or chemically aggressive environments. The slip end is manufactured and dimensioned to ASTM D2467 standards for Schedule 80 PVC socket fittings; the FPT end conforms to ASTM D2464 for Schedule 80 PVC threaded fittings. Thread form conforms to ANSI/ASME B1.20.1 for NPT compatibility across manufacturers.

Specifications:

Pressure rating is for water service at 73°F. Assembly pressure rating is governed by the lower-rated 2-inch slip connection. Derate for elevated temperatures and aggressive chemical service per manufacturer guidelines. Use PTFE thread tape or appropriate thread sealant on the 1-1/2" FPT connection — do not overtighten threaded connections into PVC female threads.

Industries & Applications:

The 807-251 Schedule 80 90-degree reducing elbow serves industrial, chemical, and process piping applications wherever a 2-inch solvent weld mainline must simultaneously change direction, step down to 1-1/2 inches, and transition to a threaded connection:

• Pump Inlet & Discharge Connections — Compact direction-change and size-reduction transitions between 2-inch Schedule 80 suction or discharge mains and 1-1/2-inch NPT pump body connections, eliminating separate elbow and reducing fitting components on pump skid piping where space and fitting count are both constrained
• Chemical Processing & Water Treatment — Right-angle transitions on 2-inch chemical feed, chlorination, acid dosing, and reagent distribution lines connecting to 1-1/2-inch threaded chemical equipment, metering pump inlets, and treatment skid nozzles where a single fitting replaces a multi-component elbow and reducer assembly
• Industrial Process Piping — Direction changes on 2-inch process and utility headers transitioning to 1-1/2-inch threaded valve bodies, control valve inlets, and equipment connections in tight equipment bays and panel-mounted pipe assemblies where minimizing the fitting run footprint is a design priority
• Municipal & Commercial Plumbing — Transition elbows on 2-inch Schedule 80 utility water and service lines connecting to 1-1/2-inch threaded valve assemblies, pressure reducing valve bodies, and equipment inlet nozzles in mechanical rooms where Schedule 80 pressure ratings and compact fitting assemblies are both specified
• Agricultural & Irrigation Systems — Direction-change and size-reduction transitions on 2-inch pressurized irrigation mains and pump discharge lines connecting to 1-1/2-inch threaded zone control valves, filter inlets, and flow control equipment at system branch points
• Semiconductor & Electronics Manufacturing — Ultra-pure water and chemical delivery line transitions where a single compact fitting maintaining Schedule 80 pressure ratings and minimizing joint count is preferred over multi-fitting assemblies at direction and size change points
• HVAC & Cooling Systems — Chemical treatment feed line transitions and condenser water piping direction changes connecting 2-inch Schedule 80 headers to 1-1/2-inch threaded treatment equipment and valve assemblies where corrosion resistance and compact installation are both requirements