Engineered for durable sealing and precise fit, this copper tube cap ensures reliable end-termination for small-diameter tubing in commercial foodservice and equipment applications. Its solid copper construction provides consistent thermal and electrical characteristics while enabling straightforward installation in tight assemblies.
LongDescription#@#NA#@@#Cleaning Instructions#@#Wipe the tube cap with a mild detergent and warm water, focusing on high-touch zones like edges and mounting surfaces; rinse and dry thoroughly to prevent contamination of clean items and hands and to deter pests from food residue, as grime can attract rodents and insects; inspect for corrosion or deformation and replace if damaged to maintain health code compliance and extend the serviceable life of fittings; schedule routine cleaning during slow periods and document tasks for inspections.#@@#Additional Info#@#The 21209-2 tube cap fits copper tubing with a .049-inch inner and .099-inch outer diameter, securely closing fluid or gas lines; PartsTown offers this 4.25-inch long, 0.25-pound component with compact dimensions of 4.2 inches width and 1.#@@#General Info#@#Description #@#
Engineered for durable sealing and precise fit, this copper tube cap ensures reliable end-termination for small-diameter tubing in commercial foodservice and equipment applications. Its solid copper construction provides consistent thermal and electrical characteristics while enabling straightforward installation in tight assemblies.
#@@# Inner Diameter Control#@#
The .049-inch inner diameter offers tight tolerance for small-bore tubing, reducing fluid or gas migration and preserving system integrity in refrigeration, steam, or low-pressure fluid lines. This dimension ensures repeatable performance when exact ID conformity is required.
#@@# Outer Diameter Accuracy#@#
The .099-inch outer diameter aligns with narrow-profile fittings and compression joints, minimizing misalignment risks that could cause leaks or stress concentrations. Precise OD sizing supports predictable mechanical engagement during assembly.
#@@# Length Compatibility#@#
A 4.25-inch overall length allows secure seating on tube ends and accommodates crimping or soldering techniques without excess material complicating fit in confined assemblies. The extended length supports various joining methods used in maintenance and retrofits.
#@@# Material Advantage#@#
Copper composition provides thermal conductivity for heat-transfer circuits and supports soldering and brazing processes commonly used by technicians. The metal’s ductility enables controlled deformation during crimping to form robust seals.
#@@# Serviceability Features#@#
Technicians benefit from straightforward installation and replacement due to the cap’s simple geometry, reducing downtime during routine service and repairs. Standard dimensions integrate seamlessly into maintenance workflows using common plumbing or HVAC tools.
#@@#Delivery Details#@#
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• Delivery times may vary based on location.#@@#deliverynotes#@#NA#@@#Maintenance Guide#@#To maintain the 21209-2 TUBE CAP CU .049 ID.099 OD120, inspect for corrosion or deformation before use and replace compromised units. Clean copper surfaces with mild detergent and a soft brush, then rinse thoroughly. Dry completely with compressed air or a lint-free cloth. Verify .049 ID cleanliness with a cleaning rod. Store caps in a dry, temperature-controlled area to prevent contamination.