F400B | Parker F Series In-Line Hydraulic Flow Control Valve 1/4 NPT 5 GPM 2000 PSI Brass Colorflow

Parker · Valves & Process Control

Description  The Parker F400B is an in-line hydraulic flow control valve designed to provide precise manual metering of fluid flow in industrial hydraulic and pneumatic systems. The F400B features a one-way flow control configuration with free reverse flow and supports up to 5 gpm maximum flow at pressures up to 2000 psi. It is constructed with a brass body and NPT threaded ports for reliable integration into control circuits.     Technical Specifications  Condition New/Never Used Surplus Brand Parker Category Valves Part Number F400B Subcategory Flow Control Valve Valve Series F Series Colorflow Valve Type In-Line Needle Flow Control Valve Control Direction One-Way with Free Reverse Flow Function Manual Flow Control Metering Maximum Flow Rate 5 gpm (19 L/min) Maximum Operating Pressure 2000 psi (13.79 MPa) Cracking Pressure 5 psi Connection Type Female NPTF Threaded Ports Port Size 1/4 Inch Body Material Brass Seal Material Nitrile (NBR) Poppet Style Soft Seat Guided Poppet Operating Temperature Range -40°F to 250°F (-40°C to 121°C) Knob Type Standard Manual Adjustment Weight 2.00 lbs     Information About F400B The F400B is part of Parker’s F Series Colorflow flow control valve lineup, engineered for accurate metering and stable adjustment in general hydraulic applications. It uses a standard metering needle and a fully guided soft seat poppet design to ensure near-zero leakage and smooth reverse free-flow operation. The valve is manually actuated with a standard knob and includes Parker’s Colorflow band indicator for clear visual reference of the flow setting. With female-to-female 1/4" NPT connections, brass construction, and nitrile sealing, it is suitable for factory automation, machine tools, material handling, and industrial fluid control systems. Key Features: In-Line Flow Control Valve Design: Provides manual metering for hydraulic and pneumatic flow regulation. One-Way Controlled Direction: Allows metered flow in one direction with free reverse flow capability. High Pressure Operation Rating: Supports maximum working pressure up to 2000 psi. Maximum Flow Capacity: Rated for up to 5 gpm (19 L/min) flow control performance. Soft Seat Guided Poppet: Fully guided poppet design minimizes leakage and improves durability. Standard Needle Metering Adjustment: Includes a standard needle for precise and repeatable flow setting. Brass Body Construction: Provides corrosion-resistant performance in industrial fluid applications. Colorflow Visual Indicator Feature: Color-band marking provides accurate visual indication of adjustment position. The F400B delivers the reliability and precision required for manual hydraulic flow control and industrial metering valve applications.

Brand: Parker · Category: Valves & Process Control

Key features

• In-Line Flow Control Valve Design: Provides manual metering for hydraulic and pneumatic flow regulation.
• One-Way Controlled Direction: Allows metered flow in one direction with free reverse flow capability.
• High Pressure Operation Rating: Supports maximum working pressure up to 2000 psi.
• Maximum Flow Capacity: Rated for up to 5 gpm (19 L/min) flow control performance.
• Soft Seat Guided Poppet: Fully guided poppet design minimizes leakage and improves durability.
• Standard Needle Metering Adjustment: Includes a standard needle for precise and repeatable flow setting.
• Brass Body Construction: Provides corrosion-resistant performance in industrial fluid applications.
• Colorflow Visual Indicator Feature: Color-band marking provides accurate visual indication of adjustment position.

Specifications

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