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Made in the USA
Piranhaflex™ Series PF321TC Tank Charge-Compressor to Tank Fill Hose
Unit of Measure
Items Piranhaflex™ Series PF321TC Tank Charge-Compressor to Tank Fill Hose
PF321TC-03-250R
Piranhaflex™ PF321TC Series 3/16 in. ID Tank Charge-Compressor to Tank Fill Hose 		Piranhaflex™ Series PF321TC Tank Charge-Compressor to Tank Fill Hose
PF321TC-04-250R
Piranhaflex™ PF321TC Series 1/4 in. ID Tank Charge-Compressor to Tank Fill Hose
General Applications N/A
  • Compressed breathing air
  • Stationary applications as a fill tank for breathing air tanks
Tube N/A Copolyester
Reinforcement N/A Braided aramid fiber reinforcement
Cover N/A Pin pricked, abrasion resistant, conductive polyurethane
Service Temperature Range N/A -40°F (-40°C) to +150°F (+65.5°C)
Features and Advantages N/A
  • CGA Compliant - Meets CGA Grade E Air Breathing Standards. Overall air quality depends on all system components.
  • Extraction Resistant - Specially formulated tube minimizes extraction of particulates while in service.
  • Abrasion Resistant - Polyurethane cover outlasts rubber versions in applications where the hose rubs against abrasive surfaces.
  • Lightweight - Approximately 37% lighter weight than similar rubber hoses.
  • Pin Pricked Cover - Allows for the escape of gasses, if necessary, eliminating risk of cover blistering.
Approved Fittings N/A
  • P Series One-Piece Carbon Steel
  • P Series One-Piece Stainless
  • A Series Two-Piece (PFR ferrule)
Packaging N/A
  • Boxed 250' long reels
  • Maximum two pieces per 250' reel, minimum 50' piece length
Size Code N/A 03 N/A 04
ID N/A 3/16 in4.8 mm N/A 1/4 in6.4 mm
OD N/A 0.400 in10.2 mm N/A 0.485 in12.3 mm
Max. Working Pressure N/A 6000 psi
Min. Bending Radius N/A 1.50 in38.1 mm N/A 2.00 in50.8 mm
Weight N/A 0.06 lbs/ft N/A 0.07 lbs/ft
Coupling Recommendations One-Piece Carbon Steel N/A N/A P-04XX-XXXX
Coupling Recommendations One-Piece Stainless Steel N/A P-03XX-XXXX-SS N/A P-04XX-XXXX-SS
Coupling Recommendations Two-Piece Ferrule Non-Skive N/A PFR-03 N/A PFR-04
Brand N/A Piranhaflex™
Series N/A PF321TC
Type N/A Tank Charge-Compressor to Tank Fill Hose
Note N/A
  • NOT for use with explosive gases such as pure oxygen and hydrogen.
  • NOT for use between regulator and breathing mask.
Compliance Details N/A
Compliances Size
CGA* All sizes
REACH All sizes
*Grade E Breathing Air Standards