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.
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 polyproplene 2.5 - 37mm. 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
Nominal Diameter of Steel Pipe(DN) | Epoxy Coating | Adhesive Layer | Min Thickness of Anti-Corrosion Layer(mm) | |||||||
(mm) | (a㎛) | (mm)/㎛ | General Type | Strengthen Type | ||||||
DN≤100 | ≥120 | ≥170 | 1.8 | 2.5 | ||||||
100<DN≤250 | 2 | 2.7 | ||||||||
250<DN<500 | 2.2 | 2.9 | ||||||||
500≤DN<800 | 2.5 | 3.2 | ||||||||
DN≥800 | 3 | 3.7 |
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