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Mining Air & Water Delivery 20 Bar (300 psi) – Alfagomma 240AA

240AA Cross Section

Tube: Black conductive SBR/NR.
Reinforcement: High tensile textile cords.
Cover: Black conductive SBR – abrasion, ozone and fire resistant.
Application: Air, water and stone dust delivery in underground mines.
Constant Operation: -30°C +80°C (-22°F +176°F)

Internal Diameter Outer Diameter Working Pressure Burst Pressure Bend Radius Weight 
ID mm ID inch OD mm OD Inch bar psi bar psi  mm in  kg/m lb/ft
13 1/2″ 23 0.91 20 300 80 1200 78 3.07 0.35 0.24
19 3/4″ 31 1.22 20 300 80 1200 114 4.49 0.52 0.35
25 1″ 37 1.46 20 300 80 1200 150 5.91 0.75 0.51
32 1 1/4″ 46 1.81 20 300 80 1200 192 7.56 1.00 0.68
38 1 1/2″ 52 2.05 20 300 80 1200 228 8.98 1.13 0.76
51 2″ 67 2.64 20 300 80 1200 306 12.05 1.60 1.08
63 2 1/2″ 79 3.11 20 300 80 1200 378 14.88 2.22 1.50
76 3″ 92 3.62 20 300 70 1000 456 17.95 2.62 1.77
102 4″ 118 4.65 20 300 70 1000 612 24.09 3.43 2.31
152 6″ 174 6.85 20 300 70 1000 912 35.90 8.35 5.62