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MINING
Air &
Multipurpose
General Purpose
Heavy Duty
Push-on
Chemical
Transfer
Cleaning
Equipment
Food
Transfer
Washdown
Marine
Material
Handling
Abrasives
Bulk Transfer
Cement & Concrete
Mining
Petroleum
Aircraft Fueling
Dispensing
Dock
Transfer
Spray
Steam
Vacuum
Veyance
Water
Discharge
Suction &
Discharge
Washdown
Welding
Coupling
Systems
APPENDIX
143
spiraflex
®
RoCK DUST
APPLICATION:
CONSTRUCTION
TUBE:
COVER:
REINFORCEMENT:
TEMPERATURE:
PACKAGING:
BRANDING:
COUPLINGS:
NON-STOCK/SIZES:
ORDER CODES:
Rock Dust hose is a lightweight, flexible alternative to the rubber hose for handling rock dusting
in underground coal mines.
Green Pliovic
®
, meets MSHA standards USMSHA
Green Pliovic, meets MSHA standards USMSHA
Rigid white Pliovic PVC helix
0°F to 158°F (-18°C to 70°C)
100’ lengths, coiled and polywrapped
Example: Rock Dust USMSHA 2G-1C-14C/17. Made in USA. Goodyear
®
Contact fitting manufacturer for proper fitting recommendation and coupling procedure.
Static wire available, contact Customer Service.
586-426 (corrugated cover)
586-427 (smooth cover with static wire, not available in 4”)
Product Specifcations
ID
NOM. OD
MAX. WP
BEND RADIUS VACUUM HG
WEIGHT
in.
mm. in.
mm. psi
Mpa
in. mm.
in. mm. lb./ft. kg./m.
spiraflex
®
ROCK DUST
1½
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
2½
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