Parker XV590P-4 Ball Valve 1/4 in Mnpt X Fnpt Brass 250 Psi

Product Description

The PARKER XV590P-4 is a 2-piece standard manual ball valve designed for inline shutoff and flow control in piping systems. Sized at 1/4 inch with MNPT x FNPT end connections, it provides a straightforward quarter-turn operation using a steel tee handle. The body and trim are both brass, offering solid corrosion resistance across a wide range of compatible media. Rated to 250 psi maximum working pressure, this valve handles demanding system pressures found in commercial and industrial plumbing, HVAC piping, compressed air lines, and similar trade applications. The reinforced PTFE seats and seals maintain reliable shutoff across a broad temperature range.

This valve is suited for residential and commercial installations where a compact, durable inline shutoff is needed. Typical applications include plumbing supply lines, pneumatic systems, hydronic heating circuits, and compressed air distribution. The MNPT x FNPT configuration threads directly onto male pipe fittings on the inlet side and accepts a female-threaded connection on the outlet, making it straightforward to install in existing threaded piping runs. Licensed plumbers and pipefitters are the primary installers, though HVAC technicians frequently use valves of this type in refrigerant-free hydronic and pneumatic service lines.

Key Features

• 2-piece brass body construction for durability and corrosion resistance
• 250 psi maximum working pressure rating (17 bar)
• Reinforced PTFE seats and seals for long-term shutoff integrity
• 1/4 inch MNPT x FNPT end connections for direct threaded installation
• Steel tee handle for positive quarter-turn operation
• Rated down to -50 degrees F minimum working temperature

Compatibility

Designed as an OEM-style replacement or new-installation manual ball valve for 1/4 inch threaded piping systems requiring MNPT x FNPT end connections at pressures up to 250 psi.

Installation Notes

Installation should be performed by a licensed plumber or pipefitter in accordance with applicable IPC and local code requirements. Depressurize and drain the affected line before removing or installing any valve. Apply thread sealant tape or compound to male threads per standard practice, taking care not to over-apply sealant into the valve body. Confirm flow direction and handle orientation before final tightening to ensure proper access for future operation.