Needle Valve

He ʻāpana koʻikoʻi ʻo Needle valve o ka ʻōnaehana pipeline ana, ʻo ia hoʻi me ka valve stop a me ka valve ball, i hoʻohana ʻia e wehe a ʻoki ʻia paha ka pipeline. ʻO ke kumu o ka valve o ka nila he cone ʻoi loa, i hoʻokomo ʻia i loko o ka noho valve e like me ka nila, no laila ka inoa. Loaʻa i ka valve Needle nā ​​mea maikaʻi o ka hoʻokomo ʻana a me ka wehe ʻana, ka pilina paʻa, ka pale ahi, ka pahū-hōʻoia a me ke kūpaʻa kiʻekiʻe, a me ka hana hoʻopaʻa maikaʻi. ʻO ia ka valve mode pili kiʻekiʻe ma ke kahua mana, ka ʻaila hoʻomaʻemaʻe, nā mea hana kemika a me nā mea ana pipeline. He maikaʻi ka hana hoʻopaʻa ʻana o ka valve needle a me ke ola lawelawe lōʻihi. ʻOiai inā ua pōʻino ka ʻili o ka sila, pono ke pani ʻia nā ʻāpana palupalu wale nō e hoʻomau i ka hoʻohana.