Dust hose Mine Master™ 100SD

mining and quarryingspiral wirelightweight

Product overview
Hose designed for rock-dusting applications in underground coal mines. Used to spray limestone dust or other inert, rock-derived dusting agents to isolate exposed coal surfaces from heat or ignition sources. Lightweight and flexible for handling in confined mining environments.

Key features

• Lightweight and flexible for easy handling in underground operations.
• Static-conductive cover to reduce electrostatic buildup.
• Cover meets MSHA flame-resistance requirements.

All parts (table)
Part # | Product # | Description | Maximum Working Pressure (psi) | Maximum Working Pressure (bar) | Inside Diameter (in) | Inside Diameter (mm) | Outside Diameter (in) | Outside Diameter (mm)
1-1/2X100 MINE ROCK DUST 100SD | 46910701 | 1-1/2X100 MINE MASTER ROCK DUST 100SD | 100 | 6.9 | 1.5 | 38.1 | 1.92 | 48.8
1-1/4X100 MINE ROCK DUST 100SD | 46910700 | 1-1/4X100 MINE MASTER ROCK DUST 100SD | 100 | 6.9 | 1.25 | 31.8 | 1.67 | 42.4
2-1/2X100 MINE ROCK DUST 100SD | 46910703 | 2-1/2X100 MINE MASTER ROCK DUST 100SD | 100 | 6.9 | 2.5 | 63.5 | 2.92 | 74.2
2X100 MINE ROCK DUST 100SD | 46910702 | 2X100 MINE MASTER ROCK DUST 100SD | 100 | 6.9 | 2 | 50.8 | 2.41 | 61.2
3X100 MINE ROCK DUST 100SD | 46910704 | 3X100 MINE MASTER ROCK DUST 100SD | 100 | 6.9 | 3 | 76.2 | 3.41 | 86.6
1 1/4X50 ROCKDUST T4129AF | 41290501 | 1 1/4X50 ROCKDUST T4129AF | | | | | |
2X50 MINE MASTER ROCK DUST 100SD | 46910041 | 2X50 MINE MASTER ROCK DUST 100SD | | | | | |
2-1/2X50 MINE MASTER ROCK DUST 100SD | 46910042 | 2-1/2X50 MINE MASTER ROCK DUST 100SD | | | | | |

Features and benefits

• Temperature range: -40°C to +82°C (-40°F to +180°F).
• Exceeds IS:466 TYPE 3 performance criteria.
• Available sizes: 1/2" , 3/4" and 1" (additional variant sizes listed in parts table).
• Design factor: 4:1 for standard variants.
• Couplings: 1, 6, 7, 21, 49 or 78 (see Hose Coupling section for selection).
• Packaging: 100' length coiled and wrapped in polyethylene for storage and transport.

Technical specifications

• Product name / model: Mine Master™ Rock Dust 100SD
• Brand: Gates Corporation
• Application: Rock dusting in underground coal mines to isolate exposed coal surfaces from heat/ignition sources
• Construction highlights: Static-conductive cover; MSHA flame-resistance on cover
• Temperature range: -40°C to +82°C (-40°F to +180°F)
• Maximum working pressure: 100 psi (6.9 bar) for primary 100' variants
• Design factor: 4:1
• Standard packaging: 100' length, coiled and wrapped in polyethylene
• Available couplings (reference): 1, 6, 7, 21, 49, 78
• Available inside diameters and corresponding outside diameters shown in parts table (examples include 1.25" / 31.8 mm, 1.5" / 38.1 mm, 2" / 50.8 mm, 2.5" / 63.5 mm, 3" / 76.2 mm).