He aha ka kiwikā puka pahi polyurethane
Kiwikā puka pahi Polyurethanepili i kahi kiwikā puka pahi me kahi sila noho kiwikā polyurethane.Polyurethane (PU)Loaʻa iā ia nā ʻano o ke kūpaʻa ʻaila, ke kūpaʻa ʻaʻahu, ke kūpaʻa haʻahaʻa haʻahaʻa, ke kūpaʻa ʻelemakule, ka paʻakikī kiʻekiʻe, ka elasticity maikaʻi loa a me ka hana anti-toxic maikaʻi. Hoʻohana pinepine ʻia no nā ʻāpana paʻakikī kiʻekiʻe a me nā pipeline waena e loaʻa ana ke kinoea a me ka wai. Loaʻa iā ia ka hana sila maikaʻi a me ke kūpaʻa ʻaʻahu ikaika kiʻekiʻe.
Ua kapa ʻia ʻo Polyurethane ʻo "wear-resistant rubber". ʻAʻole haʻahaʻa kona kūpaʻa ʻaila ma mua o ka nitrile rubber a ua like ia me ka polysulfide rubber. He kūpono loa ia no nā paipu waena like ʻole e pono ai ke sila kiʻekiʻe a me ka ikaika kiʻekiʻe o ka ʻino ʻana o nā ʻāpana.
| Ka Loiloi Hana o nā Mea Polyurethane | ||||
| Kaʻina hana hoʻoheheʻe | Nā ʻāpana kemika nui o ka polyurethane | |||
| Hoʻoheheʻe ʻia ke kaomi kiʻekiʻe | ʻO ka Polycarbonate Isocyanate | |||
| Nā Kūlana Hana Polyurethane | ||||
| Ka nui o ka nui g/cm3 | Ikaika tensile N/mm | Paʻakikī Kahakai A | Hoʻolōʻihi paʻa N/mm2 | Elongation i ka haki % |
| 1.21+0.02 | 45 ka liʻiliʻi loa | 95+5 | 15 minuke | 300 ka liʻiliʻi loa |
ʻIke Huahana o ka Polyurethane Knife Gate Valve
KA HUAHANA:
Nā nuiNPS 2 a i NPS 48
Pae KaomiPapa 150, PN16, PN10
Hoʻohui FlangeʻO ke kaulahao
Hana: Manual, uila, pahu pahu, pneumatic, manual pneumatic, hydraulic, electro-hydraulic, sprocket, lever
Waena KūponoʻUpena, wai ʻino, lepo lanahu, lehu, nā ʻāpana, lepo, hui ʻana o ka slag-wai
Nā Pono Hana o ka Pāka Kiwikā:
Ke hoʻolei ʻana:(GGG40, GGG50, A216 WCB, A351 CF3, CF8, CF3M, CF8M, A995 4A, 5A, A352 LCB, LCC, LC2) Monel,
ʻO Inconel, Hastelloy, UB6
Nā Kūlana o ka PU Knife Gate Valve
| Hoʻolālā a me ka hana ʻana | MSS SP-81 |
| Maka-a-maka | MSS SP-81 |
| Hoʻopau i ka pilina | ASME B16.5, ASME B16.47, MSS SP-44 (NPS 22 wale nō) |
| Hoʻāʻo a me ka nānā ʻana | MSS SP-81 |
| Loaʻa pū kekahi no kēlā me kēia | NACE MR-0175, NACE MR-0103, ISO 15848 |
| ʻĒ aʻe | PMI, UT, RT, PT, MT |
Nā Hiʻohiʻona Hoʻolālā:
Kiwikā Puka o ka Pahi Polyurethaneʻo ia kekahi o nā mea pale maikaʻi loa i ka abrasion. Ua hoʻopaʻa piha ʻia kā mākou Polyurethane Knife Gate Valve (NSW) me ka urethane kiʻekiʻe, kahi i ʻoi aku ma mua o ke ola o ka gum rubber a me nā liner palupalu ʻē aʻe, a i ʻole nā mea lima.

1.ʻAʻohe leakageʻO ke kino kiwikā urethane i hoʻopaʻa piha ʻia a me ka sila puka elastomer i hoʻoheheʻe ʻia e pale aku i ka liki mau loa ʻana i ke sila ʻana o ka kiwikā a me ke kino kiwikā ponoʻī i ka wā e hana ana.
2.Hoʻolōʻihi ʻia ke ola o ke komo ʻanaʻO nā liner urethane kūpaʻa abrasive kiʻekiʻe, a me nā ʻīpuka pahi kila paʻa a me ka hoʻolālā kū hoʻokahi o ka valve ponoʻī e hāʻawi i kahi ola lawelawe lōʻihi loa.
3.Pani ʻelua-kuhikuhiKe hana ʻia ke kahe hoʻi, hiki ke hoʻohana ʻia ʻo NSW ma ke ʻano he mea pale.

4.Hoʻolālā hoʻoheheʻe ponoʻīI ka wā e pani ʻia ai ka kiwikā, hoʻohuli hou ka puka pahi beveled i ka slurry e kahe ana i ka noho urethane liner beveled, hoʻomohala i ka turbulence a hoʻoikaika i ke kahe a laila hoʻokahe i ka slurry mai ka lalo o ka urethane i ka wā e noho ai ka puka i loko o ka noho.
5. Nā kūkulu hou kūponoKe pono nā kūkulu hou ʻana, hiki ke hoʻololi ʻia nā ʻāpana ʻaʻahu (urethanes, sila puka, nā puka pahi) ma ke kahua. Hiki ke hoʻohana hou ʻia nā kino valve a me nā ʻāpana ʻē aʻe.
Nā koho
1. Apo Noho (Nā Liners):Loaʻa nā ʻano urethane like ʻole.
2. Nā Puka Valve:ʻO nā puka SS304 me ka uhi ʻia o ka chromium paʻakikī nā mea maʻamau. Loaʻa nā mea hoʻohuihui ʻē aʻe (SS316, 410, 416, 17-4PH…) Loaʻa pū nā uhi puka koho.

3. Loaʻa nā PN10, PN16, PN25, 150LB.
4. Loaʻa nā mea hoʻoikaika koho.
Ka manawa hoʻouna: ʻOkakopa-13-2021






