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Corrugated Flex Barge Dock Hose (Series EWC439)

Petroleum Service USCG PARKER SERIES EWC439 FLEX BARGE HOSE

Corrugated Flex Barge Dock Hose Petroleum Service USCG Series EWC439

Series EWC439 is a heavy duty oil suction and discharge (OS&D)/dock hose for transferring oil between tankers, barges, and storage tanks. The hose construction incorporates a specially formulated tube that resists media to 50% aromatic content. The wire helix provides full suction capability, kink resistance and a path to conduct a static electrical charge to ground. The rugged corrugated cover provides additional flexibility and is resistant to abrasion, mild chemicals, oil and weathering. Series EWC439 meets all United States Coast Guard (USCG) requirements for dock/OS&D hose.

Part Number Hose I.D. Reinf Plies Hose O.D. Weight Minimum
Bend Radius
Max Rec WP Max Lg
# inch mm in mm lbs/ft kg/ft in mm psi bar ft
EWC439-4000 4 101.6 4 5.000 127.0 4.30 1.95 20.0 508.0 225 15.5 100
EWC439-6000 6 152.4 6 7.250 184.2 8.20 3.72 29.0 736.6 225 15.5 100
EWC439-8000 8 203.2 6 9.406 238.9 12.30 5.58 38.0 965.2 225 15.5 50
EWC439-10000 10 254.0 8 11.719 297.7 21.01 9.53 48.0 1219.2 225 15.5 50
EWC439-12000 12 304.8 10 13.906 353.2 27.06 12.27 58.0 1473.2 225 15.5 50
Performance Characteristics
Tube Black nitrile
Reinforcement Multiple plies of tire cord with dual wire helix
Cover Black synthetic rubber; wrapped finish
Temp. Range -40°F to +180°F (-40°C to +82°C)
Brand Method Black text on red stripe
Brand Example PARKER SERIES EWC439 FLEX BARGE HOSE
Design Factor 4:1
Industry Standards USCG
Applications Oil and fuel to 50% aromatic content. Transfer between barges, storage tanks and marine vessels.
Vacuum Full
Packaging Lengths or coils in bales, crates or slat packs
Couplings Built-in nipples, male pipe or flanged. Other configurations available.