Pono ʻoe i kahi hōʻike hōʻike manuahi? E kipa: https://www.reportsnreports.com/contacts/requestsample.aspx? inoa = 1077663
Mai 2019 a 2024, manaʻo ʻia e ulu ka mākeke pōleʻa pōleʻa i ka nui o ka ulu makahiki o 3.75%. Ma ka 2024, e ulu ana ia mai US $ 12.6 biliona ma 2019 i US $ 15.2 biliona.
Hoʻokaʻawale ʻia e ka nui, ua māhele ʻia ka mākeke valve pōleʻa i ka nui loa 1 iniha, 1 iniha a 6 iniha, 6 iniha a 25 iniha, 25 iniha a 50 iniha, a me 50 iniha a nui aku. I ka wā wānana, ua manaʻo ʻia ka mākeke valve ball e pili ana i ka 1 ″ a i 6 ″ e ʻike i ka ulu nui. Kuhi ʻia kēia ulu ʻana i ka piʻi ʻana o ka noi no ka lawe ʻana a me ka ikehu a me nā noi e pili ana i ka mana; ʻO ka hopena, ua hoʻonui ʻia ka hoʻohana ʻana o 1 6 inch valves i ka aila a me ke kinoea, ka ikehu a me ka mana, ka wai a me ka hoʻomaʻamaʻa wai ʻino, kemika a me nā ʻoihana ʻē aʻe.
I kēia hōʻike, ua hoʻokaʻawale ʻia ka mākeke pōleʻa pōleʻa i loko o ka trunnion-mounted, floating and vertical-stem ball valves e ke ʻano valve. I waena o lākou, manaʻo ʻia e noho ka trunnion i hoʻonohonoho ʻia i ka māhele mākeke nui loa i ka wā wānana. ʻO ka ulu ʻana o ka ikehu, nā ʻenehana hana hou, ka pono no ka palekana kaʻina, ka hoʻonui ʻana i ka nānā ʻana i ka hoʻomau, a me ka hoʻolaha ʻana i nā lula kūlohelohe i hāpai i ka hoʻomohala ʻana o ka mākeke trunnion ball valve.
Hoʻopau ka hōʻike i ka mākeke valve ball ma o nā mea, ʻano valve, ka nui, ka ʻoihana a me ka wahi kikoʻī. Hōʻike pū ka hōʻike i nā mea hoʻokele nui, kaohi, nā pilikia a me nā manawa e pili ana i ka mākeke, a me ke kaulahao waiwai a me ka nānā ʻana i ka mākeke.
Ka manawa hoʻouna: Mar-12-2021
