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The PARKER PT-00844 is a flareless bite-type tube plug designed to seal hydraulic and instrumentation tubing lines terminated with BSPP (British Standard Parallel Pipe) threaded fittings. The plug accepts a 1/2 inch BSPP thread and provides a positive, leak-resistant closure without requiring a flare on the tube end. Bite-type construction uses a ferrule or sleeve that grips the tube mechanically, making installation straightforward for fluid power technicians working on hydraulic circuits, pneumatic lines, and process instrumentation systems where positive tube termination is required.
This plug is suited for industrial and commercial fluid power applications where unused or temporarily decommissioned tube ports must be sealed during service, testing, or system reconfiguration. The 1/2 inch BSPP thread is a metric-compatible standard common in European-design equipment and internationally sourced hydraulic assemblies. Technicians working on imported machinery, OEM hydraulic skids, and instrumentation panels will encounter this thread form regularly. The part ships in a package quantity of five units, making it practical to stock for ongoing maintenance work.
Designed as an OEM-style replacement or service plug for hydraulic and fluid power tubing assemblies using 1/2 inch BSPP threaded fittings.
Installation is performed by qualified fluid power or hydraulic technicians. Depressurize and isolate the hydraulic or pneumatic circuit completely before removing any fitting or installing a tube plug. Thread engagement should be verified for proper seating without cross-threading; use appropriate thread sealant or sealing method consistent with the system fluid type and pressure rating. Refer to applicable fluid power codes and the system manufacturer specifications for torque and sealing requirements.
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