Formerly Rock Dust Hose
RECOMMENDED FOR: Rock dusting applications in underground coal mines where limestone dust (or other inert rock-derived dusting agent) is sprayed in order to isolate exposed coal surfaces from potential heat or ignition sources.
TEMPERATURE: -40°F to +180°F (-40°C to +82°C).
CONSTRUCTION: Tube: Type D (Natural Rubber). Black.
Reinforcement: Synthetic, high tensile textile with steel wire helix.
Cover: Type C2 (Modified Nitrile). Black with yellow spiral stripe.
Design Factor: 4:1
COUPLINGS: 1, 6, 7, 21, 49 or 78. Reference the Hose Coupling Section.
PACKAGING: 100' length coiled and wrapped in polyethylene.
BRANDING: Continuous transfer label. Example: “Gates® Mine Master™ Rock Dust 100SD psi (69 MPa) WP Flame Resistant MSHA 2G-11C Made in USA.”
SPECIAL ORDER REQUIREMENTS: Special production runs require minimum order quantities of 400 feet. If a special transfer label is required, contact Gates Corporation for minimum quantity and details.
Specific cut lengths available through the Cut Length Program. Contact Customer Service for details.
REMNANT LENGTHS: Remnant lengths are sometimes available in popular sizes at a discount. Contact Gates Corporation for pricing, order requirements and availability.
STANDARDS: Cover: Meets MSHA 2G-11C. Flame resistant.