Description
Parker F400B Flow Control Valve
Model: F400B
Overview
The Parker F400B is a 1/4-inch flow control valve from Parker’s F-series. It features a brass body construction.
Specifications
– Valve Size: 1/4-inch
– Body Material: Brass (material code B)
– Ports: 1/4-18 NPTF threaded ports
– Maximum Working Pressure: 2000 PSI for brass body
Key Features
– Compact 1/4-inch brass body
– 1/4-18 NPTF standard port interface
– Soft seated poppet design for precise flow control
– Color-coded scale for simple flow setting
– Locking set screw to fix flow settings
Performance
– Effective Flow Area: 0.0044 in2 (data sheet)
– Maximum Flow Coefficient: 0.0758 (data sheet)
Application
Suitable for hydraulic systems requiring precision flow control in smaller line sizes.
Installation and Operation
– Ensure correct flow direction
– Adjust flow by turning the handle
– Tighten the locking set screw to fix flow settings
– Maximum working pressure 2000 PSI
The Parker F400B utilizes a brass construction with 1/4-18 NPTF ports. The soft seated poppet design provides accurate flow control. The color-coded scale and locking feature make flow setting simple and repeatable. It is suitable for precision flow control in smaller hydraulic systems.