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F.R.A.S Roller - Fire Resistance & Anti-static

Our new generation of F.R.A.S roller is made of modified ultra high molecular weight polyethylene(UHMW-PE), dust & water proof, designed for the toughest applications, especially for underground working environment where are humid,corrosive, have high level of dust and noise .

● Fire Resistance
● Anti-static
● Low noise





Get a quote or free sample:
Tel: 86-372-6383888
E-mail: sales@fjsroller.com
Availability:


underground coal mining conveyor roller

     ● Fire Resistance & Anti-static

     ● Low Noise emmision

     ● Patented Water & Dust Proof Sealing System

     ● Light Weight, easy to carry and replace

     ● Corrosion-resistance





        Perfect for 

        Undergound Coal Minning;

        Fertilizer Plant;

        Other enclosed working environments.


Samples: 360x50x8mm (6pcs) Φ108x380mm (3pcs)

Acceptance Criteria: MT/T 1019-2006

Tested by:  Test Center of  China Coal Research Institute


No.

Test items

Unit

Results

1.

Fire Resistance

Average duration of flaming occur

s

2.23

Maximum duration of flaming occur

s

2.41

Average duration of  glowing

s

0

Maximum duration of  glowing

s

0

Maximum measured charred length

mm

75

2.

Electrical Resistance

Average value

Ω

3.1x107


UHMWPE VS HDPE



Superior Material: 

Roller pipe are made of ultra high molecular weight polyethylene(UHMW-PE), an engineering plastic with a molecular weight of approximately 3 to 3,5 million g/mol, noise damping, highly wear resistance, self-lubricating. 


Plus, with precise machining, it can significantly lower the TIR rate to 0.1mm or even less, dynamically balance to ISO1940-G16, lower the noise produced by vibration.




water dust proof roller sealing systemling


Patented Water & Dust Proof Sealing System: 

1. Mutipal labyrinth + lip sealing system will prevent any contaminants such as dust, sludge, water etc, perfect for brutal working environment.

2. Using deep groove ball bearing.



fras idler fire resistance anti static

Standard: CEMA / JIS / DIN / ISO


Roller Diameters:

Φ63.5 Φ76 Φ89 Φ102
Φ108 Φ114 Φ127 Φ133
Φ140 Φ152 Φ159 Φ165
Φ178 Φ191 Φ194 Φ219


Roller Performance:

No.

Test items

Unit

Results

1

T. I.R

mm

≤0.2

2

Axial   displacement

mm

≤0.4

3

Axial displacement after falling

mm

<1.2

4

Axial   load

KN

>15

5

Rolling resistance

N

≤2.5

6

Water spay running test

g

0

7

Underwater running test

g

5

8

Coefficient   of friction

-

≤0.1

9

Noise   Level

dB

≤55


fras roller cetificates

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