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:
|
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: antistatic mine flexible ventilation pipes
MFVP
combustible with difficulty
for collieries and mines harmless
on gas
and dust with superfluous pressure 5000 Pa.
|
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 |
| broached from vinylisleather |
| type 1 |
type 2 |
| Diameter |
mm |
|
400-1200 |
400-1200 |
400-1200 |
| Length |
mm |
|
20 |
20 |
20 |
| Pipe torsion on 10 m of item no more |
degrees |
|
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 |
| Diameter: 500 |
30kg. |
3,1 |
6,9 |
6,9 |
| Diameter: 600 |
35kg. |
3,6 |
8,2 |
8,2 |
| Diameter: 800 |
45kg. |
4,5 |
11 |
11 |
| Diameter: 1000 |
50kg. |
5,6 |
15 |
15 |
| Diameter: 1200 |
55kg. |
8 |
20,4 |
20,4 |
Technical characteristics trumpet vinylisleather
(TC RB 200250840. 012-2003)
| ¹ |
Name of indicators |
Unit of measure |
Type 1 |
Type 2 |
| 1 |
Weight 1 m sq. |
g |
780±100 |
780±100 |
| 2 |
Air permeability, no more than |
sm/s |
0, 002 |
0, 002 |
| 3 |
Oxygen index, not less than |
% |
28 |
25 |
|