Specialty Mfr 6900590 Manual Ball Valve 1/8 Inch Fnpt

Product Description

The SPECIALTY MFR 6900590 is a standard manual three-way ball valve designed for 1/8 inch pipe connections in plumbing and fluid-control applications. The body is constructed from polyvinylchloride (PVC), making it suitable for corrosive or chemical-resistant service environments. All three ports use female national pipe taper (FNPT) connections. A wedge-style handle provides manual on/off and diverting control. Buna-N seals are used internally. This valve is typically installed by licensed plumbers or pipefitters working on low-pressure fluid distribution, process piping, or HVAC condensate and chemical-feed lines.

This three-way ball valve is suited for residential and light commercial installations where a compact 1/8 inch port is required for diverting or mixing service. The FNPT x FNPT x FNPT end connection pattern allows direct threaded assembly into standard pipe systems without additional adapters. The PVC body makes it a practical choice for applications involving mild chemicals, water treatment systems, or other non-petroleum fluid lines where metal corrosion is a concern.

Key Features

• Three-way FNPT x FNPT x FNPT end connections for diverting or mixing flow paths
• PVC body construction for corrosion resistance in chemical and water service
• Buna-N seals provide reliable seating across a broad range of fluid compatibility
• Wedge-style handle allows quick manual actuation and clear visual position indication
• 1/8 inch pipe size suits compact or instrument-line installations

Compatibility

Designed as an OEM-style replacement or new-installation three-way ball valve for 1/8 inch FNPT threaded pipe systems in plumbing, HVAC, and light industrial fluid-control applications.

Installation Notes

Installation should be performed by a licensed plumber or qualified pipefitter in accordance with applicable IPC and local plumbing codes. Shut off and depressurize the supply line completely before threading the valve into the pipe system. Apply appropriate thread sealant or PTFE tape to all FNPT connections and tighten to hand-tight plus standard wrench turns per fitting manufacturer guidelines. Verify the handle position and confirm flow direction before restoring system pressure.