Ɛbrɛ-a ɛko tia polyurethane elbow tee tẽẽ paipu .
Steel lined polyurethane wear-aduru a ɛko tia paipu yɛ ade titiriw a ɛhyɛ mu no mu biako-aduru a ɛko tia nsu wɔ wiase (ɔfoforo no yɛ HDPE). Esiane sɛ ofie mu ntadeɛ-nnwuma a ɛko tia no wɔ nkɔsoɔ berɛ no mu nti, ɔhyeɛ ahodoɔ a ɛwɔ hɔ-ɛko tia paipu nso repue wɔ awieeɛ, nanso su a ɛne sɛ polyurethane bɛyɛ adeɛ titire a ɛfiri ntadeɛ mu-nnwuma a ɛko tia no yɛ ntɛm. Esiane sɛ ɔman no mu polyurethane mfiridwuma a ɛnyɛ pɛ ne mfiridwuma a wɔde yɛ nsu afiri a wɔde yɛ nsu mu nneɛma a wɔde yɛ nneɛma nti, ɛho hia sɛ wɔde amannɔne nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma ne mfiridwuma a ɛkɔ anim ne nea wɔde sɔ hwɛ a ɛkɔ anim ba, enti ɛka a wɔbɔ wɔ nneɛma a wɔyɛ ho no yɛ kɛse.
Steel-Lined polyurethane wear-aduru a ɛko tia paipu no fata ma akwantu a ɛyɛ mmerɛw a ɛyɛ mmerɛw, nhyɛso kɛse ne ahoɔhare kɛse. Wɔ saa tebea horow a wotu fagude wom yi mu no, wɔde polyurethane adwumayɛ a ɛkorɔn no bɛyɛ adwuma kɛse. Wɔ nneɛma nketenkete a ɛyɛ fɛ (-200%) mu no, nhyɛso a ɛba fam (a ɛba fam 2.0 MPa), nsu a ɛsen sua ( .<1.8 m/s=), its superior performance is very small.
Wɔde elastomer a ɛyɛ adwuma na ɛyɛ polyurethane a wɔde yɛ nneɛma. Wɔ adwennwen adeyɛ no akyi no, polyurethane nsusuwii nsakrae no di akyi wɔ adwennwen adeyɛ bere no akyi, ma enti tumi dodow no ara a ɛma nsu no yow a adwennwen no de ba no dannan no ma ɛyɛ ahoɔden a ɛwɔ mu na ɛpete wɔ ɔhyew ahoɔden mu. Ahohoro tumi no fã ketewaa bi a aka no san kɔ nsu a wɔde fa mu no mu bio a hysteresis no deformation a ɛwɔ polyurethane no mu no siw adwennwen a edidi so yi ano. Enti, saa su a ɛne polyurethane yi de ɔkwan a wɔfa so yɛ ade no di dwuma wɔ anifere kwan so de brɛ tumi a ɛma nneɛma kɔ so no sɛe ne sɛnea ɛyow no ase kɛse, sɛnea ɛbɛyɛ a ebetumi anya nkɛntɛnso a ɛtra hɔ kyɛ a wɔnhwɛ kwan. Nnwuma mu abenfo pii kamfo dade a wɔde ahyɛ polyurethane a wɔde hyɛ mu-a ɛko tia paipu no sɛ "tai chi" a ɛwɔ nneɛma a wɔde hyɛ mu-nnwuma no mu.
1. Anti-Scaling adwumayɛ .
Polyurethane elastomers no ani yɛ mmerɛw, ɛnyɛ{0}}polar, non{1}}hydrolysis, ne hydrophilic. betumi asiw scale layer a ɛbata ho no ano, a ɛwɔ anti-scaling properties a ɛda nsow.
2. Ɔreko atia .
Polyurethane elastomer wɔ ɔfe a ɛda nsow a ɛko tia, na mpɛn pii no, nea efi mu ba a ɛma ɛyɛ mmerɛw sɛ ɛbɛwe no yɛ 0.03-0.2mm/m, bɛyɛ 3-5 sen rɔba a efi abɔde mu.
3, Nneɛma a ɛma nsu nsɛe .
Polyurethane elastomer yɛ nea ɛko tia acid, alkali, nkyene ne ɛpo mu nsu a ɛyɛ mmerɛw.
4, ɔhyew a ɛba fam a wɔko tia no yiye, ɔhyew a ɛtrɛw .
Polyurethane elastomer wɔ ɔhyew a ɛba fam a ɛko tia, titiriw wɔ brittle ɔhyew mu no yɛ nea ɛba fam yiye (-50℃~70℃) a ɛfata sɛ wɔde di dwuma wɔ ɔhyew a ɛwɔ mfinimfini no mu-50℃~ + 100℃.
5, emu duru yɛ hare, ɛnyɛ den sɛ wode bɛkɔ, wode besisi hɔ na woasiesie .
Polyurethane elastomer density no sua (1.2g / cm), na Y tumi sie 30% -40% sɛ wɔde toto nsuo afiri foforɔ a ɛwɔ mu no ntwemu korɔ no ara ho a.
Esiane sɛ polyurethane elastomer no wɔ vibration absorption adwumayɛ pa ne mfiridwuma mu nkɛntɛnso a ɛyɛ papa a ɛko tia, ɛnyɛ den sɛ wɔde bɛfa, wɔde besisi hɔ na wɔasiesie.
6. Adwuma no ho ka nyinaa a ɛba fam .
Aduru no mu yɛ hare, na ɛnam so ma ɛka a wɔbɔ wɔ nneɛma a wɔma so, akwantu ho ka ne ɛka a wɔbɔ wɔ nneɛma a wɔde si hɔ ho no so tew. Sɛnea nkyerɛkyerɛmu koro no ara kyerɛ no, unit tenten ne ɔsom nkwa akontaabu, sɛ wɔde toto cast stone pipe, alloy pipe ne rɔba pipe ho a, adwuma no nyinaa ho ka so tew 30% -40%.
7. Nkitahodi kwan so .
Wobetumi de flange connection ne quick joint ne connection akwan foforo adi dwuma.
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