Nūhou hui

I nā ʻōnaehana HVAC (Heating, Ventilation, and Air Conditioning), he mea koʻikoʻi no ka mālama ʻana i ka hōʻoluʻolu o loko a me ka maikaʻi o ka ea, ʻo nā mea hana damper he mau mea koʻikoʻi nui. Ke hana nei ma ke ʻano he "lima mana" o ka ʻōnaehana, t...

ʻO 90% o nā pōʻino pahū ma muli o ke koho pono ʻole ʻana i nā mea hana! He mea pōʻino nā pahū ʻoihana - akā hiki ke pale ʻia ka hapa nui. Inā ʻoe e hana i ka aila a me ke kinoea, ka hana kemika, a i ʻole kekahi ʻoihana ʻino, no ʻoe kēia alakaʻi.

ʻO ka palapala hōʻoia ATEX e pili ana i ka "Equipment and Protection Systems for Potentially Explosive Atmospheres" (94/9 / EC) kuhikuhi i hoʻopaʻa ʻia e ka European Commission ma Malaki 23, 1994. Ua uhi kēia kuhikuhi i kaʻu a me nā lako ʻole ...

ʻO ka ʻōlelo hoʻolaha EAC a me ka palapala hōʻoia EAC o ka conformity nā palapala i hoʻopuka mua ʻia ma 2011, no laila i ka hoʻokumu ʻana i nā lula ʻenehana TR CU o ka Eurasian Economic Union. Hāʻawi ʻia nā palapala hōʻoia EAC e indep...

ʻO ka palapala hōʻoia UL kahi palapala hōʻoia ʻole i ka United States, ʻo ka hoʻāʻo nui a me ka hōʻoia ʻana i ka hana palekana o ka huahana, a ʻaʻole i hoʻokomo ʻia kāna kiko hōʻoia i nā hiʻohiʻona EMC (electromagnetic compatibility) ...