Directly Buried Kub Dej Insulated Yeeb Nkab

cev cev

Hlau yeeb nkab, stainless hlau yeeb nkab, yas yeeb nkab, tooj liab yeeb nkab

Lub cev

HDPE yeeb nkab, galvanized hlau ntawv, txhuas

Rwb thaiv tsev

Polyurethane

Txuj

GB/T 29047-2021, EN253

Nruab nrabkub

Tsawg dua 120 degree (Kev sib tsoo ncov Tsawg dua lossis sib npaug li 130 degree)

Nruab nrab siab

Tsawg dua 2.5 MPa

Ntau yam ntau lawm

DN 20-DN1600mm

Muaj peev xwm ntau lawm

2000km / xyoo

khoom siv

Rwb thaiv tsev tee, rwb thaiv tsev luj tshib, rwb thaiv tsev reducer, rwb thaiv tsev ruaj bracket, tswb system

Daim ntawv thov

koog tsev kawm ntawv cua sov, koog tsev kawm ntawv txias, tsheb thauj mus los roj av thiab lwm yam

Tso hom

hauv av

Kev pabcuam

OEM / ODM

Cov khoom tiav

Hlau yeeb nkab tsis muaj thermal rwb thaiv tsev txheej (mm)

CJ/T114-4.4.1

150-250

220±30

Nce tus nqi ntawm HDPE sab nraud tiv thaiv yeeb nkab (feem pua)

CJ/T114-4.4.2

Tsawg dua los yog sib npaug 2

1.2

Axis eccentricity
(mm)

CJ/T114-4.4.3

saib kab lus 4.4.3

tsim nyog

Kev cia siab ntawm lub neej

CJ/T114-4.4.4.1

120 degree 30 xyoo

tsim nyog

Shear zog (MPa)
(170 degree, 1450h tom qab laus)

CJ/T114-4.4.4.2

(23 ± 2 degree) Ntau dua lossis sib npaug rau 0.12
(140± 2 degree) Ntau dua lossis sib npaug rau 0.08

0.181
0.106

Kev poob siab

CJ/T114-4.4.5

Saib kab lus 4.4.5

tsim nyog

Resistance tus nqi ntawm kab tswb
(ΜΩ)

CJ/T114-4.4.6

20ΜΩ-∞

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Outer tiv thaiv yeeb nkab

Qhov ceev (kg / m3)

CJ/T114-4.2.3.1

Ntau dua lossis sib npaug rau 940

948.2

Elongation thaum so
feem pua

CJ/T114-4.2.3.4

Ntau dua lossis sib npaug li 350

618

Tensile yield zog
(MPa)

CJ/T114-4.2.3.4

Ntau dua lossis sib npaug li 19

20.5

Longitudinal shrinkage tus nqi (%)

CJ/T114-4.2.3.5

Tsawg dua los yog sib npaug 3

1.23

Long-term Mechanical zog

CJ/T114-4.2.3.6

＞1500h (80 degree, 4.0 MPa) tsis muaj kev puas tsuaj

Hla

Qhov sib txawv ntawm lub melt flow rate
(g / 10 feeb)

CJ/T114-4.2.3.2

Tsawg dua lossis sib npaug rau 0.5

0.11

Cov ntsiab lus carbon dub feem pua

CJ/T114-4.2.3.1

2.5±0.5

2.4

Polyurethane rwb thaiv tsev txheej

Qhov ceev (kg / m3)

CJ/T114-4.3.2

Ntau tshaj los yog sib npaug rau 60

71.1

Qhov nruab nrab qhov pore loj
(mm)

CJ/T114-4.3.1

Tsawg dua lossis sib npaug rau 0.5

tsim nyog

Qhov feem pua ​​​​ntawm cheeb tsam ze
(%)

CJ/T114-4.3.1

Ntau dua lossis sib npaug li 88

94

Compressive zog (MPa)

CJ/T114-4.3.3

Ntau dua lossis sib npaug rau 0.3

0.58

Kev nqus dej
(%)

CJ/T114-4.3.4

immersion nyob rau hauv boiling dej 90 feeb, npuas dej nqus yuav tsum tsis txhob ntau tshaj 10 feem pua.

Tsawg dua lossis sib npaug li 5.53

Coefficient ntawm thermal conductivity ua ntej aging
W/(m•K)

CJ/T114-4.3.5

Tsawg dua lossis sib npaug rau 0.033

0.032

Cavity

CJ/T114-4.3.1

Tsawg dua los yog sib npaug li 1/3 lub thickness ntawm rwb thaiv tsev txheej

tsim nyog

Ua haujlwm steel yeeb nkab

Seamless steel yeeb nkab (tsawg dua lossis sib npaug rau DN150)

wb 8163

20#

tsim nyog

Kauv steel yeeb nkab (Ntau dua lossis sib npaug rau DN200)

GB/T9711 los yog SY/T5037

Q235B

tsim nyog