Insulated steel pipe ni a quality hpe jep joi ai lam gaw, bungli galaw ai shara ni hte nta gap ai lam ni hta n-gun atsam hpe jai lang ai lam, shim lum ai lam, hte bungli galaw ai aten hpe hkam la lu na matu ahkyak ai lahkam langai rai nga ai. Hpaji jep chyoi ai bungli gaw, madung lam law law hpe hkrang shapraw nna shinggrup ra ai.
Appearance quality gaw, madung hku nna, myi man hte yu ai hku nna (sh) magnifying glass a karum shingtau lam hte, pipe ntsa gaw langai sha re ai hte n-gun n rawng ai kun ngu ai hpe jep yu na matu, n-gun n rawng ai, n-gun n rawng ai, n san seng ai lam ni n nga ai hpe jep yu na matu, jep joi ai lam a npawt nhpang rai nga ai. Ndai ntsa na n kaja ai lam ni gaw stress concentration point ni byin wa nna, pipe lang ai shaloi n-gun n rawng ai lam ni byin wa chye ai; dai majaw, quality hpe hkang zing ai hta shawng nnan na makawp maga lam rai nga ai.
Dimensional accuracy gaw, n-gun rawng ai hka htung a n-gun rawng ai lam hte, n-gun rawng ai lam hpe hkrak hkra hkra machyi shangun ai. Madung masat masa ni hta diameter hkam sharang lu ai atsam, bunghku n-gun maren sha re ai lam, galu kaba ai lam ni lawm ai, dai ni gaw calipers (sh) n-gun shadawn ai jak ni hpe lang nna, data hpe hkrak hkra galaw na matu, multi-point shadawn ra ai. Dimensional deviations ni gaw ahkang jaw da ai shara hta jan nna, n-gun n rawng ai (sh) seal hkrat sum mat na re.
Insulation galaw ai lam gaw, n-gun n rawng ai n-gang pipe ni a madung manu rai nna, madung hku nna nbung n-gun hpe shadawn ai; manu kaji ai gaw grau kaja ai insulation hpe madun ai. Chyam dinglik ladat ni hta, hkrak tup ai laboratory shadawn shadang ni a matu hot plate ladat hte on-site hpe lawan ai hku jep joi na matu heat flux ladat ni lawm ai. Tatut jai lang ai lam hta, kaja ai thermal insulation galaw ai lam gaw, katsi ai lam hpe grai shayawm ya lu ai, ga shadawn, katsi ai ladat ni hta n-gun yawng hpe kaja wa shatsaw ya lu ai.
Mechanical performance chyam dinglik ai lam gaw, shinggan n-gun amyu myu a npu e, pipeline hpe n-gun n rawng hkra galaw na matu yaw shada ai. Madung chyam dinglik ai lam ni hta, n-gun n-gun, n-gun n-gun, modulus of elasticity ni lawm ai. Ndai ni hpe laksan hku nna, electronic universal chyam dinglik jak hpe lang nna, tengman ai myit ru myit tsang masa ni hpe shingdaw nna, grai sawng ai masa ni hta pipeline a kam hpa mai ai lam hpe kam mai ai hku nna, jep joi ai lam galaw ai.
Insulated steel pipe ni gaw, grai sawng ai chemical makau grup yin ni hta law law lang hkrum katut ai majaw, shanhte hpe aten galu-lang na matu, n-gun n rawng ai hpe ninghkap lu ai atsam gaw ahkyak dik rai nga ai. Ndai lam hpe galaw na matu, chemical media ni hpe ninghkap lu ai atsam (acid, alkali, hte sau ni hpe ninghkap lu ai atsam zawn re ai) jep joi ra ai, electrochemical n-gun n-gun hpe chyam dinglik ai lam galaw ra ai, laboratory grup yin shingra tara hpe shingdaw chyam dinglik ai lam ni hpe galaw ra ai. Kaja ai n-gun n-gun hpe ninghkap lu ai atsam gaw pipeline a prat hpe grai galu shangun nna, gram lajang ai manu hpe mung shayawm ya lu ai.
Hpang jahtum, jep joi bungli hpe masing jahkrat nna shim lum ai hku galaw sa wa na matu mung maren sha ahkyak nga ai. Hkamja lam jep joi ai lam hpe dawdan ai shaloi, pipeline a bungli galaw ai makau grup yin, htaw sa ai ntsin a atsam (ga shadawn, n-gun ja ai ntsin ni gaw jep joi ai lam hpe grau law hkra galaw ra ai), hte laksan engineering ra kadawn ai lam ni hpe tsep kawp myit yu ra ai. Hkamja lam hte seng nna, hkrit tsang hpa shara ni rai nga ai-katsi ai shara hte -katsi ai shara ni hta sadi jaw ai lam ni hpe galaw ra ai. Hkamja lam jep sagawn ai ni gaw makawp maga ai hpun palawng, myi man magap hte kaga arung arai ni hpe bu hpun ra ai, hkala nba n byin hkra arung arai ni hpe jai lang ai ladat ni hpe atsawm sha hkan sa ra ai.
Ngut nna, hkrang shapraw ai quality jep joi ai lam gaw, insulated steel pipe ni a quality hpe tsep kawp jep joi lu ai. Laboratory hta hkrak tup jep joi ai lam hte lawan ai hku -site jep joi ai lam hpe kayau kaya galaw nna, pat da ai-loop quality hparan hpareng ai ladat hpe hpaw na matu, aten tup jep joi ai lam hpe gawgap na matu hpaji jaw da ai. Ahkyak ai bungli masing ni a matu, shanglawt ai hku jep chyoi na matu masum ngu na-hpung chyam dinglik hpung hpe shaga la ai gaw, chyam dinglik mahtai ni a n-gawn nsawn ai lam hte n-gawn nsawn ai lam hpe hkam la lu na matu kaja ai ladat langai rai nga ai.
