3/4" True Union Ball Valve Schedule 80 Gray (VLV-800-TUBV-007)

The 3/4" Schedule 80 Gray PVC True Union Ball Valve (VLV-800-TUBV-007) is a full port, heavy-duty isolation valve built for residential well systems, commercial irrigation, chemical piping, and industrial applications where Schedule 80 construction, high pressure capability, and in-line serviceability are required at the 3/4" pipe size. The 3/4" size is one of the most common pipe sizes across residential and light commercial systems — appearing on well pressure lines, irrigation mainlines, water treatment equipment connections, chemical dosing headers, and mechanical branch connections — making the VLV-800-TUBV-007 one of the highest-volume SKUs in the Schedule 80 true union ball valve series and a staple specification for contractors and facility maintenance teams working across a broad range of system types.

The Schedule 80 gray PVC body sets this valve apart from white Schedule 40 alternatives at a glance. The thicker Schedule 80 wall provides greater impact resistance and mechanical rigidity under pipe loading, and delivers a 235 PSI cold working pressure rating — a meaningful advantage over the 150 PSI ceiling of 2-1/2" and larger Schedule 80 valves in the same series, and a substantial margin above the operating pressures of virtually any residential or commercial water system this size will encounter. The gray color is the universal job site and mechanical room identifier for Schedule 80 PVC, giving inspectors, installers, and future maintenance personnel an immediate material class confirmation without referencing drawings or documentation.

The full port ball design maintains an unobstructed flow path equal to the pipe's full interior bore when open — zero restriction, zero turbulence, and no measurable pressure drop across the valve. At the 3/4" size, this full port performance matters on well pressure lines where pump capacity is finite and every PSI of head loss counts, on irrigation mainlines where partial-port restriction reduces downstream zone pressure and compromises emitter uniformity, and on equipment supply lines where reduced flow rates affect performance. The PTFE seats deliver smooth, consistent low-torque quarter-turn operation and a reliable bubble-tight shut-off that holds up through high cycle counts, chemical exposure, and sediment-laden well water conditions where elastomeric seats would swell, deform, or abrade over time.

The true union end design is the defining maintenance advantage of this valve. The socket union connectors solvent cement permanently into the 3/4" PVC pipeline — the valve carrier body unthreads cleanly from both unions for complete in-line removal without cutting pipe, draining the system beyond the immediate valve location, or disturbing adjacent piping and equipment. Seat replacement, O-ring service, or full valve substitution are all accomplished with the unions staying cemented in the line. On chemical dosing systems, well system pressure lines, and water treatment piping where periodic valve service is part of routine maintenance, this dramatically reduces the time, disruption, and cost of each service event compared to fixed-end valves that require pipe cutting and re-jointing to remove.

EPDM O-rings provide broad chemical compatibility across acids, bases, chlorine, oxidizing agents, and industrial salts — making the VLV-800-TUBV-007 a corrosion-free, contamination-proof alternative to brass ball valves wherever metal is unsuitable for the service conditions. Maximum service temperature is 140°F, with pressure derated above 100°F per standard PVC temperature-pressure curves.

Key Features:

• Schedule 80 gray PVC body — thicker walls, greater impact resistance, and 235 PSI pressure rating
• Full port design — pipe-bore-matched opening for maximum flow with zero restriction
• True union socket ends for complete in-line valve removal without cutting pipe
• PTFE seats — self-adjusting, low-torque, bubble-tight shut-off with long service life
• EPDM O-rings for broad compatibility across acids, bases, chlorine, and oxidizers
• Quarter-turn lever handle for fast, positive on/off actuation with visual status indicator
• 235 PSI rated at 73°F; 140°F maximum service temperature
• Conforms to ASTM F1970 and ASTM D1784
• Fully field-serviceable — seats, O-rings, and seals replaceable in-line
• Corrosion-proof alternative to brass ball valves in chemical and aggressive service

Specifications:

Industries & Applications:

• Residential & Commercial Well Systems — One of the most common applications for this size; used as primary isolation on 3/4" well pressure lines, pump discharge connections, pressure tank outlets, and point-of-entry treatment equipment where Schedule 80 construction and the 235 PSI pressure rating provide a safe margin above pump shut-off head conditions
• Irrigation & Agriculture — Installed on 3/4" irrigation mainlines, pump discharge connections, zone manifold headers, and lateral supply isolations on residential and light commercial irrigation systems; the full port design preserves system pressure from the supply line through to zone valves and emitters
• Chemical Processing & Dosing Systems — PTFE seats and EPDM O-rings handle a broad range of acids, caustics, chlorine, oxidizers, and industrial process chemicals; true union ends allow in-line seat and O-ring replacement as part of scheduled maintenance without breaking the pipeline or interrupting adjacent system sections
• Water Treatment & Purification — Isolation and service valve on 3/4" chemical feed lines, filter inlet/outlet connections, softener bypass loops, and UV system supply lines; PVC construction eliminates the corrosion and metal contamination risk associated with brass valves in sensitive water treatment applications
• Pool & Spa Systems — Chemical resistance to chlorine, salt water, and pool treatment products makes gray PVC true union ball valves a natural specification for 3/4" equipment pad isolation, recirculation branch connections, and chemical feed line shut-offs at residential and commercial aquatic facilities
• HVAC & Mechanical Systems — Used on 3/4" chilled water branch connections, fan coil unit supplies, boiler make-up water lines, and equipment isolation points in commercial and light industrial mechanical rooms where Schedule 80 PVC is the system material standard and true union serviceability simplifies valve replacement in tight mechanical spaces
• Industrial Process Piping — Used on 3/4" process water, cooling water, and plant utility lines in manufacturing and industrial facilities where Schedule 80 construction, chemical resistance, and in-line serviceability are specified throughout the system
• Aquaculture & Recirculating Systems — Full port efficiency and broad chemical resistance make this valve a reliable isolation and service valve on 3/4" recirculating system headers, biofilter branch connections, aeration supply lines, and water management distribution piping in commercial aquaculture and specialty water installations