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Products
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Contacts |
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Shandong Boda Pipes Industry CO.,Ltd |
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Product
PE pipe for underground mine
PE pipe for underground mine
Standards and Use of Products
Polyethylene (PE) pipes for underground mining of Boyuan Brand are manufactured and tested in strict accordance with enterprise standard, which is Q/RBD001-2005(this standard is from MT181-88). They are applicable to pipe network systems to supply water discharge air, compress air and draw out methane.
Features of Products
1、Fine Electricity Resistance: electric resistance of pipe’s internal and external surfaces are less than or equal to1*106Ω, so the safety of underground intense gas area is ensured.
2、The average flame combustion time is less than or equal to3 seconds. The average flameless combustion time is less than or equal to 20 seconds.
3、Corrosion Resistance、No-Scale、Small Flow Resistance、High Tenacity：Polyethylene (PE) which belongs to inert material can resist erosions from many chemical substances except a few a strong oxidants, and it is also free from electrochemical corrosion, so erosion resistant coating is not needed..
4、Easy Installation: pipes are installed with hot-melting connection and flanged connection techniques to ensure speed and safety.
5、 Long Service Life: PE pipes can be used for over 50 years.
General Description
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Index |
Note |
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静Hydrostatic Test, with the Hoop Stress 12.4 Mpa and temperature at 20 ℃,hold the pressure 100h
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No Rupture and No Leakage |
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Drop Weight Impact Test, drop at the height of 2 meters. |
Weight 2kg (Pipe diameter≤160mm) |
No Cracks and No Damage |
Must be with a half spherical hammer head with a diameter of 25cm |
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Weight 2kg (Pipe diameter＞160mm) |
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The arithmetic mean of the interior or exterior surface resistance ，Ω |
≤1×109
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Water supply and drainage pipe |
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≤1×108
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Spray tube |
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≤1×106
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Ventilation pipe, gas pipe drainage |
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Alcohol blowtorch burning time,S |
Flame Combustion |
Sum of 6 roots ≤18
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Flameless Combustion |
Sum of 6 roots ≤120 |
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dn(mm)
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PN（PE100），MPa |
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0.8
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1.0
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1.25
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1.6
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20
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—
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—
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—
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2.3
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25
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—
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—
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—
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2.3
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32
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—
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—
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—
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3.0
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40
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—
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—
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—
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3.7
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50
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—
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—
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—
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4.6
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63
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—
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—
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4.7
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5.8
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75
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—
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4.5
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5.6
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6.8
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90
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4.3
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5.4
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6.7
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8.2
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100
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5.3
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6.6
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8.1
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10.0
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125
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6.0
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7.4
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9.2
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11.4
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160
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7.7
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9.5
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11.8
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14.6
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200
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9.6
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11.9
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14.7
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18.2
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250
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11.9
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14.8
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18.4
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22.7
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315
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15.0
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18.7
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23.2
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28.6
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400
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19.1
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23.7
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29.1
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36.3
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450
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21.5
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26.7
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33.1
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40.9
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500
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23.9
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29.7
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36.8
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45.4
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630
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30.0
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37.4
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46.3
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57.2
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Safety Warning:
Users need to notice using specifications when choosing products for fear that products may be misused. KS is water supply pipe, KJ is mining shotcrete pipe, KF is mining vent-pipe (electric resistance of external surface is 1*10Ω, and it can be applied to positive and negative ventilation), and KW is mining pipe to draw out methane.
Choose to use in strict accordance with the pipe said pressure, overpressure are not allowed。
