Parker N400S Hydraulic Control Valve 5 Gpm 5000 Psi 1/4 Npt

Product Description

The PARKER N400S is a hydraulic control valve designed to regulate flow in hydraulic systems operating at pressures up to 5,000 psi. Built with a steel body and nitrile seals, this valve handles demanding fluid power applications where durability and leak resistance are critical. It accepts a 1/4-18 NPT threaded connection, flows up to 5 GPM, and features a knob handle for manual flow adjustment. The compact overall length of 2 inches makes it suitable for installations where space is limited. Licensed hydraulic technicians and fluid power specialists are the typical installers for this type of component.

The N400S fits hydraulic circuit applications in industrial, mobile, and stationary equipment where manual flow control is required. The 1/4-18 NPT inlet sizing is common in light-duty hydraulic lines and pilot circuits. Its steel construction suits environments with elevated pressure cycling and exposure to hydraulic fluid. The knob handle provides tactile, tool-free adjustment in the field, making it practical for maintenance scenarios where flow must be tuned or shut down without specialty tools.

Key Features

• Rated to 5,000 psi maximum working pressure for high-pressure hydraulic circuits
• 5 GPM maximum flow rate supports light-duty hydraulic line and pilot circuit applications
• 1/4-18 NPT threaded inlet for direct integration into standard NPT hydraulic plumbing
• Steel body construction provides resistance to pressure cycling and hydraulic fluid exposure
• Nitrile seals deliver reliable sealing performance with common petroleum-based hydraulic fluids
• Knob handle allows manual, tool-free flow adjustment in the field

Compatibility

Designed as an OEM-style replacement or new-install hydraulic control valve for hydraulic systems with 1/4-18 NPT ported connections rated for up to 5,000 psi and flow rates at or below 5 GPM.

Installation Notes

Installation should be performed by a qualified fluid power technician or hydraulic system specialist. Always depressurize and lock out the hydraulic system before removing or installing any valve. Use thread sealant rated for hydraulic service on NPT connections and torque fittings according to the system designer or equipment manufacturer guidelines. Verify that system fluid type is compatible with nitrile seal material before installation.