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  < Plastic Piping / FRP > 

 

  1-1 Plastic Piping Properties

       ->  Low weight, can be leak-tested over the entire surface

       ->  High resistance to corrosion and special installation flexibility

       ->  Homogenous layer, free from voids

       ->  Abrasion through solids-containing media

       ->  Temperatures from approx.-40 to 100¡É,Occasionally up to 130¡É,pressures up to approx.15 bar

       ->  Low permeability to water vapour and other low-molecular substances

       ->  High wear resistance, anti-adhesive property prevents caking

 

  1-2 Clients - Industries

       ->  process vessels in chemical industry

       ->  steel industry

       ->  Refuse incineration plants

       ->  Waste water treatment / An irrigational canal

       ->  The field of flue gas desulphurization plants

       ->  exposed to severe mechanical or chemical stresses

 

Fittings in Thermoplastic - GRP

PP-GRP pipe run in a continous galvanizing plant

PP-GRP pipe run in a continous galvanizing plant

PP-GRP system in a pump station of an effluent treatment plant

Thermoplastic-GRP pipe run in the chemical industry

 

 

  1-3 Plastic Pipe (FRP) ÀÇ Á¾·ù

       ->   KERAVERIN B : Thermoplastic - PVDF/FRP, PVC/FRP, PE/FRP, PP/FRP, FEP/FRP

       ->   KERAPOLIN D : ºÒÆ÷È­ Æú¸®¿¡½ºÅÍ ¼öÁö·Î Àç °­È­µÈ Fibre glass Pipe (FRP-UP)

       ->   KERAPOLIN E : FRP-UP, Laminate by Hand-lay-up

       ->   KERARESIST VE : ºñ´Ò¿¡½ºÅÍ ¼öÁö·Î Àç °­È­µÈ Fibre glass Pipe (FRP-VE)

       ->   KERARESIST EP : ¿¡Æø½Ã ¼öÁö·Î Àç °­È­µÈ Fibre Glass Pipe (FRP-EP)

 

 

Chemical resistance of thermoplastics

Medium

Maximum Operaitng Temperature ¡É

PE

PP

PVC

PVC-C

PVDF

E-CTFE

FEP/PFA

Sulphuric acid¡¡ 10%

80

100

70

90

120

130

150

Sulphuric acid¡¡ 50%

80

80

70

90

120

130

150

Hydrochl. acid¡¡ 15%

80

100

70

70

100

130

150

Hydrochl. acid¡¡ 25%

80

100

70

90

100

120

150

Phosphor. acid¡¡85%

50

100

70

90

120

130

150

Nitric acid¡¡¡¡¡¡ 30%

30

30

40

60

100

120

150

Chromic acid¡¡¡¡25%

30

30

601)

601)

80

120

150

Hydrofluoric acid 40%

40

60

30

30

100

120

130

Formic acid ¡¡¡¡ 50%

60

60

50

80

100

120

130

Caustic soda sol.20%

60

60

601)

801)

(80)

140

150

Caustic soda sol.50%

60

60

601)

801)

(80)

120

150

Sodium
hypochlorite ¡¡ 12.5%

(40)

(40)

60

90

80

130

150

Sodium chl. Solution
(any concentr.)

80

100

70

90

120

140

150

Flue gas desulphuriz.
Absorber liquid

80

100

70

90

130

140

150

Deionate

80

100

70

90

120

140

150

Slphur dioxide

60

80

70

90

90

120

150

Acetone

60

60

NR

NR

60

80

130

Petrol

70

(40)

60

60

120

140

150

Ethanol

60

80

50

60

80

130

150

Toluene

(40)

(40)

NR

NR

80

110

150