Parker 4 Tlfa Mandrel Seal Assembly Mandrel Orfs Tube

Product Description

The PARKER 4 TLFA MANDREL is a compression tube Fastseal seal assembly mandrel used to assemble O-ring face seal (ORFS) flat-face tube end fittings. Constructed from steel, this mandrel is a dedicated assembly tool that compresses and seats the seal components within the Fastseal fitting system. It is designed for use in hydraulic and fluid power plumbing applications where leak-free ORFS connections are required. Hydraulic technicians and fluid power specialists use this mandrel during tube end preparation to ensure the Fastseal seal is correctly installed before the fitting is torqued to connection.

This mandrel is intended for shop or field assembly of Fastseal tube end fittings in hydraulic systems. It is particularly suited to applications where flat-face ORFS connections are specified, such as mobile hydraulic equipment, industrial machinery, and fluid power circuits. The mandrel supports precise, repeatable seal installation, which is critical in high-pressure hydraulic lines where an improperly seated seal can cause system failure.

Key Features

• Designed specifically for assembling Parker Fastseal ORFS flat-face tube end fittings
• Steel construction for durability under repeated assembly use
• Flat-face by ORFS by tube end connection configuration
• Compatible with Parker 4 TLFA-S Fastseal fittings
• Compact form factor suited for bench or field use

Compatibility

Designed for use with the Parker 4 TLFA-S Fastseal seal assembly fitting. End connection configuration is Flat-Face by ORFS by Tube.

Installation Notes

This tool is installed by hydraulic technicians and fluid power mechanics during tube end assembly. Depressurize and drain all hydraulic lines before disassembling any fittings or installing new seal components. Follow Parker Fastseal assembly instructions for proper mandrel engagement and seal seating sequence. Do not use this mandrel on fitting sizes or series for which it was not specified, as improper tooling can damage the seal or fitting seat.