Fire doors are divided into normally closed fire doors and normally open fire doors according to the open state. Normally closed fire doors are usually in a closed state under the action of the door er. Therefore, when the fire can prevent the fire smoke; often open fire door usually in the action of the door closing state, when the fire, the automatic release switch, fire door closing in the action of the door and counter.

ປະ​ຕູ​ໄຟ​,ແຜ່ນເຕະປະຕູ,fire rated doors,internal fire doors,

ຜູ້ຜະລິດປະຕູທົນທານຕໍ່ໄຟ,fire doorb,ປະຕູຄວາມປອດໄພເຫຼັກຄູ່ທີ່ມີຮາດແວ, ຮູບພາບຂອງປະຕູຄວາມປອດໄພໄມ້ສໍາລັບຮາບພຽງ, ປະຕູຄວາມປອດໄພ 820,ປະຕູໄຟໄຫມ້,ຮູບພາບປະຕູຄວາມປອດໄພ, ພາຍໃນປະຕູ 9 ຕີນ,internal fire doorsr,ປະຕູກະດານຕິດປ້າຍ,

ປະຕູຮົ້ວໄມ້ທີ່ທົນທານຕໍ່ໄຟ,ປະ​ຕູ​ໄຟ​,ການ​ນໍາ​ໃຊ້​ປະ​ຕູ​ທາງ​ອອກ​ສຸກ​ເສີນ​, ໄຟ​ອັນ​ດັບ​ປະ​ຕູ ul​, ໄຟ​ອັນ​ດັບ​ປະ​ຕູ​ທີ່​ຢູ່​ອາ​ໄສ​