Composite hose for backfill mining

Composite hose for backfill mining

. Structure

Composite hose for backfill mining is made in composite structure with wire reinforcement.
 

. Use

Composite hose for backfill mining is applicable to backfilling projects in coal mining area, for delivery of coal powder, waste rock concrete or solid mixtures.

 

. Performance Indicators

 

Specifications of composite hose for backfill mining are in compliance with: Q/HOY09-2011.

Spec.

I.D.

(mm)

Wire layer

Diameter (mm)

O.D.

(mm)

Working Pressure

Test Pressure

Burst Pressure

Minimum Bending Radius (mm)

Reference Weight

(kg/m)

MPa

psi

MPa

psi

MPa

psi

φ152

152±1.0

168±1.5

172±2.0

9.0

1300

12.0

1750

15

2180

1600

13.1

φ152

152±1.0

175±1.5

181±1.5

12.0

1750

15.0

2180

18

2600

2280

19.8

φ203

203±1.0

226±1.5

232±1.5

15.0

2180

18.0

2600

22.5

3250

3050

26.5

 

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