Cap, Slip PVC Schedule 80 8" (847-080)

The 847-080 is an 8" Schedule 80 PVC cap with a single slip socket. At 8" Schedule 80, this is a heavy-wall, large-bore termination fitting purpose-built for industrial process piping, chemical handling systems, high-pressure headers, and large-diameter infrastructure where every fitting in the network — including termination points — must match the schedule, chemical resistance, and pressure rating of the parent system. A cap may be the last fitting installed on a piping run, but it is not a fitting where schedule consistency can be relaxed without consequence.

The 847-080 seals a pipe or fitting outlet permanently and completely: bonded to a Schedule 80 pipe end or fitting spigot with heavy-bodied PVC solvent cement, the fully fused closed-end socket produces a blind termination rated to the Schedule 80 system's full pressure capacity. This makes the cap useful across several distinct installation scenarios. In active piping systems, it permanently blanks off unused tee branches, seals system ends, and closes out manifold ports that are not connected to equipment or downstream circuits — eliminating the need for threaded plugs, mechanical blind plates, or flanged closures that introduce dissimilar materials or connection types into a solvent-weld system. In pressure testing, the cap provides a solvent-weld-rated blind end for hydrostatically testing the completed assembly before commissioning. In phased construction, it seals a system end cleanly for current service while preserving the slip socket for future extension without field tapping.

The relationship between the 847-080 and its 10" counterpart (847-100) is worth noting for specifiers assembling large-diameter Schedule 80 systems. On systems that include both 8" and 10" headers — a common configuration in tiered industrial distribution, pump station assemblies, and treatment plant piping — maintaining schedule-consistent caps at every termination point across both diameters ensures uniform chemical resistance, wall thickness, and pressure ratings throughout the network. The 847-080 and 847-100 together cover the two most common large-diameter Schedule 80 termination sizes in industrial and municipal process piping, providing a matched pair of end caps for the 8" and 10" tiers of a tiered distribution or process water system.

The 8" slip socket accepts standard IPS-dimension Schedule 80 PVC pipe or fitting spigots bonded with heavy-bodied PVC solvent cement. At 8", heavy-bodied cement is the recommended grade given the socket depth and coverage area involved. Manufactured from rigid dark gray PVC compound to ASTM D2467, the 847-080 carries the dark gray color standard for Schedule 80 PVC fittings — the immediate visual identifier for Schedule 80 compliance during installation, inspection, and future system maintenance — and is NSF/ANSI 61 listed for potable water service.

Specifications:

Industries & Applications:

• Industrial Process Piping — Permanent blind terminations on unused 8" Schedule 80 tee branches, system ends, manifold ports, and future expansion outlets on process water, cooling water, chemical distribution, and plant utility fluid headers; Schedule 80 construction maintains schedule consistency and chemical resistance at every termination point throughout the industrial piping network
• Chemical Processing & Manufacturing — Pressure-rated end closures on 8" chemical transfer, rinse water, and process fluid distribution headers where Schedule 80 chemical resistance is required at pipe terminations as consistently as at every other fitting in the system; eliminates the schedule inconsistency that a Schedule 40 cap would introduce at sealed ends on a chemical-service Schedule 80 piping network
• Hydrostatic Pressure Testing — Temporary solvent-weld pipe end terminations during system pressure testing on 8" Schedule 80 installations; the fully fused cap holds rated system pressure during hydrostat, confirming assembly integrity across all joints before commissioning and before permanent connections to downstream equipment or systems are completed
• Phased System Construction — Permanent or semi-permanent end terminations on 8" Schedule 80 headers during phased construction where future branch extensions, equipment tie-ins, or system expansions are planned; seals the system end cleanly for current operation while preserving the slip socket for future cutout and extension without field tapping or saddle hardware
• Municipal Water & Wastewater — End closures on 8" Schedule 80 water transmission mains, pump station discharge and suction headers, and wastewater force main terminations where Schedule 80 construction is specified for elevated service pressures and the cap provides a pressure-rated, schedule-consistent termination at system ends, blow-off assemblies, and unused branch ports
• Pump Station & Equipment Connections — Blanking of unused 8" Schedule 80 pump outlet ports, valve assembly branches, and manifold end connections in pump station piping assemblies; the solvent-weld cap maintains system pressure integrity and schedule consistency at each sealed port without the gasket, bolt, or corrosion concerns associated with mechanical blind plate alternatives
• Water & Wastewater Treatment — End closures on 8" treatment plant process water, chemical feed, effluent distribution, and plant utility header terminations where Schedule 80 construction is specified for chemical media compatibility and elevated pressure service on primary plant flow lines
• Mining & Power Generation — Permanent pipe end terminations on 8" cooling water, slurry drainage, process effluent, and plant utility distribution headers in harsh industrial service environments where Schedule 80 impact resistance, chemical tolerance, and heavy-wall pressure capacity are required uniformly at every fitting and termination point in the system