Sep 17, 2025 Ħalli messaġġ

Pajp tal-linja miksija bi 3 saffi (3LPP)

Kisi tal-polipropilene 3LPP 3LP għalAPI 5L PSL 1 & PSL 2 Line Pipesminn NPS 2 "sa NPS 56"(60.3mm - 1422.4 mm),Merħba biex tikkuntattjana jekk għandek tali RFQs.

 

Kisi ta 'tliet saffi tal-poly propylene (3LPP) 3LPIs-sistema tal-kisi hija kisi b'ħafna saffi kompost minn tliet komponenti funzjonali: A High - Performance Fusion - Epoxy marbut korrużjoni.

Il - kodiċi u l-istandards għalKisi 3LPPhumaDIN 30678, ISO 21809-1, NFA 49-711,QoxraDep 31.40.30.31-cspc

 

DIN 30678-2013Kisi tal-polipropilene fuq pajpijiet u fittings tal-azzar

ISO 21809-1: 2011Industriji tal-pitrolju u tal-gass naturali - kisi estern għal pajpijiet midfuna jew mgħaddas użati fis-sistemi tat-trasport tal-pipeline - Parti 1: kisi tal-polyolefin (3 saffi PE u 3 saffi PP)

NFA 49-711Kisi estern bi tliet saffi tal-poliproplene kisi, applikazzjoni bl-estrużjoni

QoxraDep 31.40.30.31-cspc Kisi estern tal-polietilene u tal-polipropilene għall-pajp tal-linja

 

Epoxy marbut mal-fużjoni (FBE): L-ewwel saff ta 'FBE għandu jkun 150 mikron oħxon.

Adeżiv:It-tieni saff ta 'CO estruż - Adeżiv tal-polimeru, 200 mikron ħoxnin.

Polypropylene (MDPP / HDPP):It-tielet saff ta 'polipropilene estruż (MDPP / HDPP), 1.6 - 2.95 mm ħoxnin.

 

Applikazzjoni tal-Kisi:

Preparazzjoni tal-wiċċ tal-pajp bit-tindif sandblast (SSPC - SP10 / NACE No.2 / ISO 8501-1 SA 2 1 / 2 / sis 05 59 00})

Għandha tiġi applikata sussegwenti għat-tisħin tal-pajpijiet tal-fużjoni epossidika

Kolla estruża għandha tkun applikata fuq il-pajp.

Fl-aħħar is-saff tal-polipropilene estruż (MDPP jew HDPP) għandu jiġi applikat fuq is-saff tal-kolla.

Il-ħxuna totali tal-kisi hija ġeneralment <3.0 mm għall-pajp dia <24 "u 3.3 mm għall-pajp dia 32" & aktar)

Image result for Three Layer Poly Ethylene/ Propylene (3LPE/ 3LPP) coating 3LPE/ 3LPP coating system is a multilayer coating composed of three functional components: a high performance fusion bonded epoxy (FBE), followed by a copolymer adhesive and an outer layer of Medium Density Polyethylene (MDPE) or High Density Polyethylene (HDPE), which provides protection against external corrosion. The codes and standards for 3LPE are ISO 21809-1, DIN 30670 or CAN/CSA Z245.21. Fusion Bonded Epoxy (FBE): First layer of FBE shall be 150 microns thick. Adhesive: Second layer of extruded co-polymer adhesive, 200 microns thick. Polyethylene (MDPE/HDPE): Third layer of extruded polyethylene (MDPE/HDPE) or polypropylene (MDPP/HDPP), 1.6 – 2.95 mm thick. Application of Coating: Surface preparation of pipe by blast cleaning, subsequent to pipe heating fusion epoxy powder shall be applied and after that extruded adhesive shall be applied over the pipe. Finally extruded polyethylene (MDPE or HDPE) layer shall be applied over the adhesive layer. Total coating thickness is generally < 3.0 mm for pipe dia < 24

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