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The PARKER PT-00425 is a flareless bite-type tube cutting ring designed for use in hydraulic and instrumentation tubing systems where a secure, leak-tight connection is required without flaring the tube end. The cutting ring bites into the outer diameter of a 6 mm tube as the fitting is tightened, creating a mechanically robust seal. This style of fitting is widely used in industrial fluid and gas distribution lines. Installation is performed by licensed plumbers, HVAC technicians, or fluid power mechanics working with metric tube systems.
The PT-00425 is suited for metric tubing runs in residential and commercial mechanical systems, as well as industrial hydraulic and pneumatic circuits. The 6 mm outside diameter specification makes it compatible with standard metric instrumentation and process tubing used in a range of fluid handling applications. It is packaged in quantities of 20, making it practical for service kits and panel builds requiring multiple connections.
Designed as a metric flareless bite-type cutting ring for use with 6 mm outside diameter tubing in standard Parker-compatible flareless fitting assemblies.
Installation should be performed by a qualified technician familiar with flareless tube fitting assembly procedures. Depressurize and isolate the system before disassembly or fitting installation. Follow the fitting manufacturer's recommended pre-swaging or hand-tightening procedure to ensure the ring seats properly on the tube without over-compression. Applicable installations should comply with relevant fluid power or process piping codes for the system pressure and media involved.
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