Spiraflex® Rock Dust

Application: Rock Dust hose is a lightweight, flexible alternative to the rubber hose for handling rock dusting in underground coal mines.

Construction:  Tube: Green Pliovic®, meets MSHA standards USMSHA

Cover: Green Pliovic, meets MSHA standards USMSHA

Reinforcement: Rigid white Pliovic PVC helix

Temperature Range: 0°F to 158°F (-18°C to 70°C)

Packaging: 100′ lengths, coiled and polywrapped

Branding: Rock Dust USMSHA 2G-1C-14C/17 Spiraflex Made in U.S.A. Continental ContiTech.

Nom. ID Nom. OD Max. WP Bend RadiusS Vacuum HG Weight
in. mm in. mm psi MPa in. mm in. mm lbs./ft. kg/m
1-1/2 38.1 1.75 44.5 44 0.30 4 97 29 737 0.28 0.42
2 50.8 2.35 59.7 30 0.21 6 140 29 737 0.61 0.91
2-1/2 63.5 2.87 72.9 30 0.21 7 178 29 737 0.61 0.91
3 76.2 3.40 86.4 30 0.21 8 203 29 737 0.77 1.15
4 101.6 4.45 113.0 27 0.19 14 356 15 381 0.95 1.41