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3PE Coating Pipe

Pipe diameter:Φ168-1422mm (6-56 inch);Coating type:FBE, 2FBE, 2LPE, 3LPE/PP;

Standards:DIN30670,CAN /CSA-Z245.21-M92 etc

PP three-tier structure of anti-corrosion pipeline:

the first layer of epoxy powder (FBE50 – 100um),

the second adhesive (AD) 250 – 400um,

the third layer of polypropylene (PP) 1.4 – 4.0mm.

Coating temperature up to 110 degrees.

Application:Widely used in high surface temperature, according to the region longer underground water, gas, oil pipelines.

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Description

PP three-tier structure of anti-corrosion pipeline: the first layer of epoxy powder (FBE50 - 100um), the second adhesive (AD) 250 - 400um, the third layer of polypropylene (PP) 1.4 - 4.0mm. Three of the integration, and steel pipe with a good solid coating, Coating temperature up to 110 degrees.

3PE anti-corrosion and single-layer PE anticorrosive

1. 3PE anticorrosive:

Three-layer structure of PE pipe corrosion: the first layer of powder epoxy ( FBE > 100um ), the second layer of adhesive

(AD ) 170~250um, a third layer of polyethylene or polypropylene 2.5~3.7mm. Three materials integration, and with the

steel firm toform an excellent coating.

2. Single PE anti-corrosion steel:

single layer PE is the use of anti-corrosion steel curtain coating process ( also known as curtain method ), the steel pipe

after rotation frequency heating, steel top is fitted with a polyethylene powder container by pouring dusted steel tube surface

Specification

Nominal Diameter of Steel Pipe (DN)

Epoxy Coating

Adhesive Layer

Min Thickness of Anti-Corrosion Layer (mm)

(mm)

(a/μm)

(mm)/μm

General Type

Strengthen Type

DN≤100

≥120

≥170

1.8

2.5

100< DN≤250

 

 

2.0

2.7

250< DN<500

 

 

2.2

2.9

500≤DN<800

 

 

2.5

3.2

DN≥800

 

 

3.0

3.7

Standard

DIN 30670 for three-layer extruded and one-or mult-layered sintered polyethylene-based coatings

DIN 30671 thermoset plastic coating for buried steel pipes

DIN 30678 polypropylene coatings for steel pipes

CAN/CSA Z245.20/-Z245.21-02 external fusion bond epoxy coating for steel pipe/external polyetlene coating for pipe

SY/T4013-2002 for transport water, gas, oil, pilling coating

SY/T0315-97 PE coating for buried steel pipe

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