He prefabricated insulating steam heat pipe hian on-site manual insulation siam ai chuan, workshop chhunga siam zawh tawh, integrated "pipe-in-pipe" siamna technology a hmang a ni. Inner working steel pipe hian project pressure parameter angin spiral welded steel pipe, seamless steel pipe a thlang thei a ni. Intermediate rigid polyurethane foam hian thermal-insulation medium hna a thawk a, thermal conductivity a hniam a, closed-cell ratio sang tak a nei bawk. High-density polyethylene emaw steel-jacket pawn lam casing hian lei hnuaia tui luh leh mechanical impact laka internal layer te a venghim a ni.
Set pumpui hian GB/T 29047-2021, DIN30670 leh a kaihhnawih industry standard a zawm a ni. Lei hnuaia direct burial installation a thlawp a, site sak hna thawh tur a tihtlem bakah project cycle a ti tawi bawk. Leilung dinhmun hrang hrang, phum thuk leh steam temperature mamawh hrang hrang atan insulation thickness, outer-jacket material leh anti-corrosion treatment te chu customizable a ni. Kan service-ah hian technical drawing confirmation, factory pre-production sample inspection, third-party test support leh shipment technical documents supply te a tel a ni.
Core Product Component hrang hrang te
Steel Pipe Layer hnathawhna hmun
Spiral submerged-arc welded steel pipe, straight-seam welded pipe emaw, seamless carbon-steel pipe emaw; shot-blasting rust-insulation layer hmanga bonding performance tihsan nan pawn lam tan removal pretreatment, diameter & wall-thickness option hrang hrang a awm.
Polyurethane Foam hmanga insulation layer a ni
High-density rigid closed-cell polyurethane foam chu pressure sang tak hnuaia inject a ni. Thermal conductivity hniam, heat preservation tha tak, tui lakluh tlem, steam heat dissipation pawn lam a veng.
Pawn lam venhimna Jacket
HDPE sang-density polyethylene casing emaw steel-jacketed steel pipe emaw a awm thei. Anti-aging, waterproof leh impact-resistant, lei hnuaia lei, leihnuai tui leh corrosive medium te chu internal insulation part atanga thliar hran theih a ni.
Auxiliary Anti-corrosion hmanrua te
Steel pipe pawn lam chungah anti-corrosion coating, pipe tawp atana venhimna caps sealing, pipeline network connection kimchang tak neih theihna turin elbows, tees leh reducers telin pre-insulated pipe fittings matched.
Quality Control Standard a ni
Raw Material lutte endik a ni
Steel base pipe zawng zawng, polyurethane raw materials leh HDPE jacket materials te chu an thlen veleh enfiah vek a ni. Production line-a i luh hmain raw material tling lo chu hnawl hmasa phawt ang che. Base steel pipe hi ram chhunga steel mill lian tak tak Baosteel leh Tianjin Iron & Steel te atanga lo chhuak a ni.
01
In-process Production enkawl dan tur
Steel-pipe chunglam enkawl dan, high-pressure foaming, casing assembly kalphung enkawl. Traceability atan batch tin production parameters record rawh.
02
Taksa-thawh dan Laboratory Test
Pipe siam zawh tawhte foam density, thermal conductivity, closed-cell ratio, compressive strength leh water-absorption rate test la, insulation performance-in design indicator a tlin theih nan.
03
Finished-product Dimension & A lan dan enfiah
Pawn lam diameter, wall-thickness, insulation-layer thickness leh surface defect enfiahna te enfiah rawh.
04
Pre-delivery Document finfiahna
Material certificate, dimension report, non-tichhia-testing record pek chhuah. ISO9001, API 5L kaihhnawih certification document leh third-party inspection report te chu delivery hmain support.
05
FAQ
Q: He pre-insulated steam pipe system atan hian eng installation mode nge awm?
A: Direct-buried underground installation hi a solution ber a ni. Above-ground laying pawh hi outer jacket atan anti-ultraviolet modification dang hmanga tih theih a ni bawk.
Q: Insulating steam heat pipe order hunah eng key technical parameters nge confirmation mamawh?
A: Working steam temperature, design pressure, pipe nominal diameter, buried depth, leilung corrosiveness leh service life mamawh te chu pek tur a ni. Chu parameters te chuan engineer te chu steel grade, foam thickness leh outer-jacket material thlan dan te finfiah turin a kaihruai a ni.
Q: Matched pre-insulated pipe fittings elbows leh tees te chu straight pipe nen i siam dun thei ang em?
A: Ni e. Supporting insulated fittings kimchang tak kan siam thei. Fitting zawng zawng hian thermal-insulation performance-a pipeline system pumpui a inmil theih nan straight pipe atan raw-material standard inang chiah an hmang vek a ni.
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