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MINE FLEXIBLE VENTILATION PIPES TC 200250840.014 - 2003

Mine Flexible Ventilation Pipes are intended
for air admission at delivery ventilation of horizontal and downhill
preparatory mountain output. Antistatic mine flexible ventilating pipes
with lowered combustibility are made on TC RB 200250840:


1
2
_
 

Kind 1: for collieries and mines MFVP À (antistatic) - Hermetic
lowered combustibility mining industry, including,
dangerous on gas and dust with superfluous pressure 10000 Pa;

Kind 2: for collieries and mines MFVP A (antistatic) - lowered
combustibility mining industry, including, dangerous on gas and
dust with superfluous pressure 5000 Pa;

Kind 3, 4: antistatic mine flexible ventilation pipes MFVP
combustible with difficulty for collieries and mines harmless
on gas and dust with superfluous pressure 5000 Pa.

The fixation of the pipes and fittings between together is done by sewn the metal rings into the ends.

Pipe Transition Bend with the angle of 90° Bend with the angle of 135°
 
Tee with the angle of rotation of 90° Tee with the angle of rotation of 45° Tee forked


Technical characteristics

Mine Flexible Ventilation Pipes
(TC RB 200250840. 014-2003)

name of indicators

 unit of measure

weight in kg. 1 piece

kind 1 with hermetic sealing of seams from vinylisleather

kind 2 kind 3 kind 4
broached from vinylisleather
type 1 type 2 type 3
Diameter mm   400-1200 400-1200 400-1200 400-1200
Length mm   20 20 20 20
Pipe torsion on 10 m of item  no more degrees   30 30 30 30
Air permeability 1 m of item, no more dm3/s at pressure   10000 Pa at pressure 5000 Pa at pressure
Diameter:   400 20 m. p. 24kg. 2,5 5,5 5,5 5,5
Diameter:   500 30kg. 3,1 6,9 6,9 6,9
Diameter:   600 35kg. 3,6 8,2 8,2 8,2
Diameter:   800 45kg. 4,5 11 11 11
Diameter: 1000 50kg. 5,6 15 15 15
Diameter: 1200 55kg. 8 20,4 20,4 20,4
                 


Technical characteristics trumpet vinylisleather
(TC RB 200250840. 012-2003)

¹ Name of indicators Unit of measure Type 1 Type 2 Type 3
1 Weight 1 m sq. g 780±100 780±100 600±100
2 Air permeability, no more than sm/s 0, 002 0, 002 0, 002
3 Oxygen index, not less than % 28 25 21

 

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