ʻO ka sila ʻana o ka valve he ʻāpana koʻikoʻi ia o ka valve holoʻokoʻa, ʻo kona kumu nui ka pale ʻana i ka leakage,ka kiwikāUa kapa ʻia hoʻi ka noho sila ʻo ke apo sila, he hui ia e pili pono ana me ka medium i loko o ka pipeline a pale i ke kahe ʻana o ka medium. Ke hoʻohana ʻia ka valve, aia nā ʻano media like ʻole i loko o ka pipeline, e like me ka wai, ke kinoea, ka ʻaila, nā media corrosive, a me nā mea ʻē aʻe, a hoʻohana ʻia nā sila o nā valves like ʻole ma nā wahi like ʻole a hiki ke hoʻololi i nā ʻano media like ʻole.
TWSVʻalewahoʻomanaʻo iā ʻoe e hiki ke hoʻokaʻawale ʻia nā mea o nā sila valve i ʻelua mau ʻāpana, ʻo ia hoʻi nā mea metala a me nā mea ʻaʻole metala. Hoʻohana nui ʻia nā sila ʻaʻole metala i nā pipelines ma ka mahana maʻamau a me ke kaomi, ʻoiai ʻoi aku ka laulā o nā noi o nā sila metala a hiki ke hoʻohana ʻia i nā mahana kiʻekiʻe. kaomi kiʻekiʻe.
1. Laho hana
ʻOi aku ka maikaʻi o ka laholio synthetic ma mua o ka laholio kūlohelohe ma ke ʻano o ke kūpaʻa ʻana i ka aila, ke kūpaʻa ʻana i ka mahana a me ke kūpaʻa ʻana i ka pala. Ma keʻano laulā, ʻo ka mahana hana o ka laholio synthetic he t≤150°ʻO C, ʻo ka laholio kūlohelohe he t≤60°C, a hoʻohana ʻia ka laholio no ke sila ʻana i nā kiwikā honua, nā kiwikā puka, nā kiwikā diaphragm, nā kiwikā pepeke, nā kiwikā nānā, nā kiwikā pinch a me nā kiwikā ʻē aʻe me ke kaomi PN.≤1MPa.
2. Nailoni
Loaʻa i ka Nylon nā ʻano o ke koina friction liʻiliʻi a me ke kūpaʻa maikaʻi i ka corrosion. Hoʻohana nui ʻia ka Nylon no nā valves pōpō a me nā valves globe me ka mahana t≤90°C a me ke kaomi inoa PN≤32MPa.
Hoʻohana nui ʻia ka PTFE no nā kiwikā honua, nā kiwikā puka, nā kiwikā pōpō, a me nā mea ʻē aʻe me kahi mahana t≤232°C a me kahi kaomi inoa PN≤6.4MPa.
4. Hao hao
Hoʻohana ʻia ka hao i hoʻolei ʻia no nā kiwikā puka, nā kiwikā poepoe, nā kiwikā plug, a pēlā aku no ka mahana t≤100°C, kaomi inoa PN≤1.6MPa, kinoea a me ka ʻaila.
5. ʻO ke kinikini Babbitt
Hoʻohana ʻia ka hui ʻana o Babbitt no ka valve honua ammonia me ka mahana t-70 ~ 150℃a me ke kaomi inoa PN≤2.5MPa.
6. Mea hoʻohuihui keleawe
ʻO nā mea i hoʻohana pinepine ʻia no nā mea hoʻohui keleawe he 6-6-3 tin bronze a me 58-2-2 manganese brass. Loaʻa i ka mea hoʻohui keleawe ke kūpaʻa maikaʻi i ka ʻaʻahu a kūpono no ka wai a me ka mahu me ka mahana t≤200℃a me ke kaomi inoa PN≤1.6MPa. Hoʻohana pinepine ʻia ia i nā kiwikā puka, nā kiwikā poepoe, nā kiwikā nānā, nā kiwikā plug, a pēlā aku.
7. Ke kila kila ʻole Chrome
ʻO nā papa kila kila chromium i hoʻohana pinepine ʻia ʻo 2Cr13 a me 3Cr13, i hoʻopau ʻia a hoʻomaʻamaʻa ʻia, a he kūpaʻa maikaʻi ko lākou i ka pala. Hoʻohana pinepine ʻia ia ma nā kiwikā o ka wai, ka mahu a me ka petroleum me ka mahana t≤450℃a me ke kaomi inoa PN≤32MPa.
8. Ke kila kila Chrome-nickel-titanium
ʻO ke ʻano maʻamau o ke kila kila chromium-nickel-titanium ʻo 1Cr18Ni9ti, nona ke kūpaʻa maikaʻi i ka pala, ka pale ʻana i ka erosion a me ke kūpaʻa wela. He kūpono ia no ka mahu a me nā mea hana ʻē aʻe me kahi mahana t≤600°C a me kahi kaomi inoa PN≤6.4MPa, a hoʻohana ʻia no nā kiwikā poepoe, nā kiwikā poepoe, a pēlā aku.
9. Ke kila nitriding
ʻO ke ʻano maʻamau o ke kila nitriding ʻo 38CrMoAlA, nona ke kūpaʻa maikaʻi i ka palaho a me ke kūpaʻa ʻana i ka ʻōpala ma hope o ka mālama ʻana i ka carburizing. Hoʻohana pinepine ʻia ia i nā kiwikā puka o ke kahua mana me ka mahana t≤540℃a me ke kaomi inoa PN≤10MPa.
10. Hoʻopōʻino ʻana
Hoʻoponopono pololei ka Boronizing i ka ʻili sila mai ka mea o ke kino valve a i ʻole ke kino disc, a laila hana i ka mālama ʻana i ka ʻili boronizing. Loaʻa i ka ʻili sila ke kūpaʻa maikaʻi i ka ʻaʻahu. No ka valve blowdown kikowaena mana.
I ka wā e hoʻohana ʻia ai ka valve, pono e noʻonoʻo ʻia nā mea penei:
1. Pono e hoʻāʻo ʻia ka hana sila o ka valve e hōʻoia i kāna hana.
2. E nānā inā ua ʻaʻahu ʻia ka ʻili sila o ka valve, a hoʻoponopono a hoʻololi paha e like me ke kūlana.
Ka manawa hoʻouna: Ian-04-2023
