Parker 4-8 Fbz-ss Compression Tube Connector 1/2 in Mnpt

Product Description

The PARKER 4-8 FBZ-SS is a stainless steel compression tube connector designed to join tubing to a male NPT threaded port. It uses a compression-style end on one side and a male NPT thread on the other, creating a reliable, leak-resistant mechanical connection without the need for solder or flare tools. Rated to a maximum working pressure of 10,300 psi, this fitting is built for demanding fluid and instrumentation systems where pressure integrity and corrosion resistance are critical. Plumbers, pipefitters, and instrumentation technicians typically install this fitting in process piping, hydraulic lines, and high-pressure tubing assemblies.

This connector is suited for use in industrial, commercial, and process instrumentation applications where stainless steel construction is required for corrosion resistance or material compatibility. The 1/2 inch male NPT thread end mates with standard threaded ports and fittings, while the compression end provides a secure tubing connection. It is commonly installed in refrigeration, hydraulic, pneumatic, and chemical process lines where high-pressure performance and long service life are required.

Key Features

• Stainless steel construction provides corrosion resistance in harsh or wet environments
• Maximum working pressure of 10,300 psi suits high-pressure fluid and instrumentation systems
• Compression x MNPT end connections allow tubing to be joined to a threaded port without soldering or flaring
• 1/2 inch male NPT thread conforms to MPT thread standard for broad compatibility
• Overall length of 1.76 inches keeps the installed footprint compact
• Single-piece unit with no additional components required for installation

Compatibility

Designed as an OEM-style compression-to-MNPT connector for use in high-pressure tubing systems requiring a 1/2 inch male NPT threaded connection and a compression tube end.

Installation Notes

Installation is typically performed by a licensed plumber, pipefitter, or instrumentation technician. Always depressurize and isolate the line before removing or installing any compression fitting. Hand-tighten the compression nut first, then snug with a wrench per standard compression fitting practice — do not overtighten, as this can damage the ferrule and compromise the seal. Follow applicable codes including ASME B31.1 or B31.3 for pressure piping systems as appropriate to the installation.