3LPE Coating Pipe
Estandarte: ISO 21809-1, DIN 30670
Kabaleg: 4′′ – 60′′ OD
Kapal: 1.8 – 3.7 mm (DIN) / ISO class-defined
Kabiskegan: Proteksion ed panag-apag, atagey a biskeg na panangipeket, resistensya ed panag-abrase tan danum
Saray panangikompara:
3LPE > FBE → mas maong ya inkadukey na makina
3LPP > 3LPE → mas atagey a temperatura (anggad 120℃)
Aplikasyon: Langis tan gas, tubo na danum, panagbaliw ed lawak/ilog, HDD, gilig na dayat
Panangipatnag na Produkto
3LPE coating pipe(3-Layer Polyethylene) ya mankokombinaFBE+ copolymer adhesive + polyethylene (PE) ed taloran-layer ya sistema parad saray akaponpon tan akaamot ya tubo, ya manseserbin solusyon ya proteksion ed paway na corrosion. Saya so mankokombina na fusion-bonded epoxy (FBE) primer parad electrochemical resistance, acopolymer adhesive parad mabiskeg ya bonding, tan sakey ya outer polyethylene (PE) layer parad mekanikal tan proteksion ed kaliberliber. Sayan sistema et mas maong so inkadukey to no ikompara ed saray single-layer coatings, kanian saya so mas labay ya pilien ya foil, gas, danum, tan district heating pipelines diad agresibon dalin, wetland crossings, tan coastal areas.
Sayan 3LPE ya aka-coated pipe coating et kaslakan ya ibabaga bilang3LPE pipeline coatingparad saray akaponpon ya linya ed gilig na dayat, saray panagbaliw ed ilog, tan saray seksion ya asingger ed gilig na dayat ya say chemistry na dalin, danum, tan say panag-abrasion et nayarin maneral ed saray anggapoy o manipis ya film coatings.
Layer System & Functional Benefits

Fusion-Bonded Epoxy (FBE)
Mangiiter na direktan pakapeket ed tapew na asero kayari na abrasive blasting.
Gawa
Ekselentin cathodic disbondment resistance, importante parad saray pipeline ya manguusar na CP (cathodic protection).
Say inkapekder na kemikal ed acidic tan alkaline ya kaliberliber.
Copolymer Adhesive
Mankimey bilang bonding bridge ed baetan na FBE primer tan say paway na PE jacket.
Ginawa pian nasungdoan so thermal expansion tan saray stress na dalin ya anggapoy delamination.
Papaaligwasen so biskeg na peel tan say resistensya na shear, lalo la no walay mechanical loading odino HDD (Horizontal Directional Drilling).
Ag-onlelereg ed ambetel a danum, kanian naseguro so integridad na istruktura ed saray ambetel tan mapitek a dalin.
Polyethylene (PE) Jacket
Mangiiter na mekanikal ya inkapekder: resistensya ed impaka-impluensya, kontrol ed abrasion, tan proteksion manlapud pakaderal na backfill.
Onkikiwas bilang moisture barrier sumpad danum ed dalem na dalin, danum ed dayat, tan saray kontaminasyon ed dalin.
Walay MDPE (Medium Density) tan HDPE (High Density) ya grado depende ed kondisyon na proyekto.
Say andukey a panaon ya UV stability tan thermal endurance no naekspos legan na pangi-install o pangisimpen.
No pankasakeyen, sarayan taloran layer et manporma na sakey a sisteman mankakasakey: say FBE et manseguro na anti-corrosion, say adhesive et manseguro na bonding, tan say PE jacket et manproprotekta ed pipeline manlapud saray mekanikal tan environmental ya peligro.
Saray Estandarte tan Espesipikasyon
Parad RFQ tan panag-file na proyekto, sakey a3LPE coating specification PDFnayarin iter no kerewen, kaslakan et kaiba so sumaryo na proseso na panag-coating, listaan na inspeksion, tan saray nakaukolan a rekord parad pakaawatno nibaga ed PO/ITP.
| Bengatla | Espesipikasyon |
|---|---|
| Saray estandarte | ISO 21809-1 (3LPE/3LPP coating system requirements);DIN 30670 (tipikal iran klase na kapal tan paraan na panagsukimat) |
| Arum nin Detalyado | Saray kakaukolanen na NACE, saray DEP na kompanya, tan saray espisipikon detalye na proyekto et naala no kerewen |
| Pipe OD Range | 4" – 60" (nayarin i-customize) |
| Kapal na Apis | 1.8 – 3.7 mm (depende ed OD tan say nibaga ya estandarte/klase) |
| Saray kaslakan ya aplikasyon | Saray tubo ed gilig na dayat, saray proyekto ed gilig na dayat/gilig na dayat, saray lugar ya lawak/basa, tan saray HDD crossings |
3LPE Coatingvs FBE coating vs 3LPP coating

3LPE Vs FBE
- 3LPE: Sakey a taloran-layer ya external coating (FBE + adhesive + PE) ya mangitermabiskeg ya proteksion ed mekanikalsumpad impaka-abrasion, abrasion, tan soil stress, tan say matibay ya moisture barrier parad serbisyo ya akaponpon/aka-submerge. Kaslakan ya ibabaga itan paradmabaton backfill, HDD pulls, wetland/costal routes, tan arum niran mairap a kondisyon na pangipaalagey.3LPE coating pricemanduruma so OD/karukey na tubo, say pankaukolan ed kapal na coating, say lebel na panagparaan ed tapew, say sakop na panagsukimat, tan say pankaukolan ed panag-asikaso/pan-impake. Pian patas so pangikompara ed saray supplier, pansiansiaen so parehon kapal tan inspeksion iran deliverables ed RFQ.
- Octal Pipe note:ipapabitar na 3LPE ya opsyon miatagey ya inkapeket, maong ya inka-flexible, tan mabiskeg ya resistensya ed epekto, ya walaan na kaslakan a sakop na suplayOD 88.9–1420 mmtan saksakey a karukey8–18 m(project-based), tan say tinaon a kapasidad na panag-coating etanggad 3,000,000 m2.
- FBE: Sakey a -layer ya epoxy ya kabkabat paradekselentin panagpeket tan inka-flexible. Saya so malaknab ya uusaren paradsaray kagawaan, likoan, tan saray lugar ya pankasakeyan na uma, tan manseserbi met ya primer layer ed multilayer systems. No ikompara ed 3LPE coating, kaslakan ya mangiiter itanmas daiset so mekanikal a panagsalimbengdiad silong na ambelat ya backfill stress tan abrasion exposure.
3LPE Vs 3LPP
- 3LPE: Uusarenpolyethylene (PE)bilang say paway a layer, ya mangiyoopresi na mabiskeg a balanse na proteksion ed corrosion taninkapekder na makinaparad maslak ya akaponpon iran tubo (say kaslakan ya temperatura na operasyon et mandedepende ed detalye na proyekto). Saya so malaknab ya inadapta, tan epektibo ed gastos ya sistema na panag-coating ed paway.
- 3LPP: Uusarenpolypropylene (PP)bilang say paway a layer, ya mangiitermas atagey ya resistensya ed petangtan inmaligwas so inka-malet no ikompara ed PE. Mabetbet ya napili itan paradmainit iran linya na serbisyo, saray rota ed desierto, tan saray proyekto ya mas mabiskeg so pankaukolan ed thermal cycling.
Diad praktis
- 3LPEmas labay no atagey so peligro na pakaderal na makina (abrasion/impact/soil stress, HDD, basa odino agresibo iran dalin).
- FBEet kaslakan ya uusaren no iner so inka-flexible tan simplin istruktura (saray fittings, bends, field joints).
- 3LPPet ikonsidera no kaukolan so mas atagey ya temperatura odino mas malet ya thermal performance.

3LPE pipe coatingProseso na Panaggawa
- Pamparaan ed tapew: Say panaglinis na blast tan say profile na tapew so na-verify pian nasumpal so coating procedure (unong ed nibaga).
- FBE layer: Aplikasyon ya walay cure control pian naporma so primer base.
- Adhesive layer: Kontroladon natunaw/agus pian napeket so FBE ed PE.
- PE topcoat: Extruded layer parad mekanikal a proteksion tan moisture barrier.
- Inspeksyon: Pansukimat ed kapal, pakaamta ed piesta opisyal, tan pansukimat ed inkapeketno nibaga ed PO/ITP, ya impaway bilang rekord parad pakaawat.


Octal Pipe 3LPE Coating Line
Tayo3LPE coating pipesay performance et nadedesisyonan ed linya na coating-lalo la ed no panon tayon kontrolenpanagparaan na tapew na bakal, temperatura na bakal, pangiyaplika na pulbos, tan inkapekder na extrusion. Kanian mipapaandar kami na kompleton 3-layer system ya walay dedikado iran istasyon paradFBE powder coating, copolymer adhesive bonding, insanpolyethylene outer jacketpormasyon, kanian say coating et mansiansian parepareho ed andukey iran panaon na produksyon.
Saray Manunan Materyales ya Uusaren Mi ed Linya
- FBE epoxy powder (primer layer):inyaplika panamegley na electrostatic spraying ed suston pinainit ya bakal pian nawalaan na mabiskeg ya base ya ag-onkupas.
- Copolymer adhesive (middle layer):manporma na bonding bridge ed baetan na epoxy tan PE, ya mamaaligwas ed pankakasakey tan andukey a panaon na panag-peel.
- Polyethylene (PE) granules (paway a layer):inpaway bilang proteksion ya jacket pian ag-onloob so impaka-impluensya, ag-abrasion, tan ag-onloob so danum ed serbisyo ya akaponpon/aka-submerge.
Saray Manunan Kagawaan tan Proseso
- Panagparaan tan panaglinis na tapew:shot blasting, dust removal, tan surface condition control-lapud say coating adhesion et onggapo ed steel profile tan kalinisan.
- Induction heating system:painitan toy tubo ed nakaukolan ya temperatura na coating tan pansiansiaen ton ag-onkukurang so temperatura antis ya i-spray so pulbos.
- FBE powder spray booth:pangiyaplika na electrostatic powder ya walay kontroladon panagpaalagey na pelikula; say panag-asikaso/pan-recover na pulbos et naasikaso pian mansiansian malet so coating tan nabawasan so basura.
- Adhesive + PE extrusion coating section:say extrusion system et mangiiter na adhesive layer tan PE jacket ed kontrolado tan tuloytuloy ya proseso (say kapeles tan inkapekder na natunaw so manunan bengatla dia).
- Panametel tan panagsumpal na lugar:kontroladon panagpabetel pian na-lock so integridad na coating, tan say cutback ya panagparaan unong ed kakaukolanen na proyekto.
- Online inspection:say thickness checks tan holiday detection et nayarin ilaktip ed workflow pian masakbay ya nanengneng iray depekto, aliwan kayari na panag-impake.




3LPE Coating Thickness & Acceptance Tests (DIN 30670 / ISO 21809-1)
| Kategorya | Kakaukolanen / Giya |
|---|---|
| ISO 21809-1 Klase na Kapal | Nidepinsa ed klase na kapal na coating (Klase A / B / C) depende ed OD tan kondisyon na proyekto |
| DIN 30670 Kaslakan ya Kapal | DN Mas abeba odino mipara ed 100:1.8 mm;DN 100–250:2.0 mm;DN 250–500:2.2 mm;DN 500–800:2.5 mm;DN Mas baleg nen say 800:3.0 mm |
| Heavy-Option | +0.7 mm(project-based) |
| Paneknek ed Kapal | I-tsek so kapal ed kaliberliber tan diad tapew na weld seam |
| Pakaamta ed Piesta | Holiday (spark) detection |
| Panggawa na Pankakasakey | Pansukimat ed biskeg na panag-ukis tan panag-gupit |
| Long-term / CP-related Tests | Hot water soak & cathodic disbondment tests |
| Mekanikal ya Resistansi | Resisti ed impaka-impact & indentation |
| Kaunoran iran Tsek |
Say dimensional checks, cutback inspection, color & marking verification |
Say kapal na 3LPE ya coating et nepeg ya ikonekta ed peligro na panangasikaso (pull-in/rocky backfill) tan say kaliberliber na serbisyo, aliwan say pilien et "sakey a numero so onkana ed amin."
Saray Aplikasyon
DiaOctal Pipe, iposisyon tayo so3LPE coating pipesparad saray proyekto ya duaran bengatla so sankaimportantian na saray managsaliw:peligro na pakaderal na pangipaalageyinsangastos ed andukey a panaon na bilay. Say octal pipe 3LPE coated et kaslakan ya uusaren parad saray rota na abeban temperatura tan mairap iran kondisyon na pangipaalagey lapud mankokombina itanatagey ya inkapeket, maong ya inka-flexible, tan mabiskeg ya resistensya ed epekto, ya walay malet ya suplay ya susuportaan naanggad 3,000,000 m2/taonkapasidad na panag-coat.
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Andukey-Distansya na Natural Gas tan Crude Oil Transmission Pipelines
Diad saya et pampapagaan na saray procurement teamkomplikado so rota(mabaton backfill, ambetel a dalin, andukey a panagbiahe, HDD/river crossings) tanthird-party acceptance.
manpokus kami ed performance na coating ya ontulong pian nabawasan so field rework-resistensya ed pakaderal na makina + mabiskeg ya pankakasakey-tan sarag tayon i-align iray kakaukolanen ed coating ed saray kaslakan ya estandarte (based-based proyekto), ya mamaaligwas ed inspeksion tan pangiter.
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Saray Tubo na Panangiter na Danum tan Tubo na Pile
Sarayan proyekto et kaslakan ya base ed eskedyul tan karakel, tan saray managsaliw et mangiyaansakit edsay inkapekder na coating legan na panag-asikaso/pan-stackinsanmalet ya pangiterparad tuloytuloy ya pangipuesto.
Octal PipeSay 3LPE et mangiiter na malet ya babeng ed paway parad akaamot/nabasa, tan say kapasidad na produksyon mi et ontutulong ed saray managsaliw pian nabawasan so peligro na suplay legan na peak construction windows.
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Chemical & Slurry (Mineral Pulp) Transportation Pipelines
Sarayan linya et mabetbet ya ondadalan ed saray industrial zone odino mairap iran pasen, ya say peteg ya angat etandukey-panmatalkantan napaliisan so pakasara lapud panlalaok ed paway odino pakaderal na coating legan na pangipaalagey.
Akin et duga so 3LPE tayo:say 3LPE pipe mi et adesinyo pian naparukey so bilay na serbisyo tan nabawasan so gastos ed panag-operate diad pangitipon na proteksion ed corrosion tanatagey ya pakatebek ed epekto/abrasion-mausar no mairap so kondisyon na pangi-install.
Tipikal ya Giya ed Kapal
| Kategorya | Kakaukolanen / Giya |
|---|---|
| ISO 21809-1 Klase na Kapal | Nidepinsa ed klase na kapal na coating (Klase A / B / C) depende ed OD tan kondisyon na proyekto |
| DIN 30670 Kaslakan ya Kapal | DN Mas abeba odino mipara ed 100:1.8 mm;DN 100–250:2.0 mm;DN 250–500:2.2 mm;DN 500–800:2.5 mm;DN Mas baleg nen say 800:3.0 mm |
| Heavy-Option | +0.7 mm(project-based) |
| Paneknek ed Kapal | I-tsek so kapal ed kaliberliber tan diad tapew na weld seam |
| Pakaamta ed Piesta | Holiday (spark) detection |
| Panggawa na Pankakasakey | Pansukimat ed biskeg na panag-ukis tan panag-gupit |
| Long-term/CP-related Tests | Hot water soak & cathodic disbondment tests |
| Mekanikal ya Resistansi | Resisti ed impaka-impact & indentation |
| Kaunoran iran Tsek | Say dimensional checks, cutback inspection, color & marking verification |
FAQ

Antoy kaslakan ya3LPE ya kapal na coating(DIN 30670 / ISO 21809-1)?
3LPE vs 3LPP: antoy pidumaan to?
Antosaray suboknakaukolan parad3LPE coating pipepangawat?
Saray sertipikasyon

CE Certificate

ISO 9001 Certificate

API Q1 Certificate

ABS Certificate

AP-5L Certificate

API-5CT Certificate
| Bengatla | Parametro |
|---|---|
| Produkto | 3LPE coated steel pipe (external 3-layer polyethylene system) |
| Istruktura na panag-coat | FBE primer + adhesive layer + PE topcoat |
| Onaplika so base pipe | Seamless / ERW / LSAW / SSAW (unong ed inbilin) |
| Saray estandarte | DIN 30670 / ISO 21809-1 (odino project spec) |
| Kapal na taklay | Unong ed nibaga ed PO/ITP (total a kapal + tolerance) |
| Panagparaan ed tapew | Blast cleaning tan anchor profile kada coating procedure |
| Inspeksyon (no nibaga) | Saray babasaen ed kapal, pakaamta ed piesta opisyal, pansubok ed inkapeket |
| Sampot na tubo | Say karukey na panagputot na coating unong ed nibaga parad field welding / joint coating |
| Saray naitdan (no nibaga) | Sumaryo na proseso na panag-coating + rekord na inspeksyon + listaan na panag-impake/panmarka |
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