ʻO Choke valve kahi mea nui o ka lāʻau Kalikimaka a ua hoʻolālā ʻia e kāohi i ka hoʻopuka ʻana o ka punawai aila, ua kūlike nā mea o ke kino a me nā ʻāpana o ka valve choke me ka API 6A a me NACE MR-0175 Standard Specifications, a ua hoʻohana nui ʻia. no ka ʻeli ʻaila ʻaila ma uka a ma waho. Hoʻohana nui ʻia ka valve throttle e hoʻoponopono i ke kahe a me ke kaomi o ka ʻōnaehana manifold; ʻElua mau ʻano o ka hoʻoheheʻe kahe: paʻa a hiki ke hoʻololi. Hoʻokaʻawale ʻia nā kīwī throttle hiki ke hoʻoponopono ʻia i ke ʻano o ka nila, ke ʻano lima lima o loko, ke ʻano lima lima o waho a me ke ʻano pā orifice e like me ke ʻano; Wahi a ke ʻano hana, hiki ke hoʻokaʻawale ʻia i ka manual a me ka hydraulic ʻelua. ʻO ka pili hope o ka choke Valve he kaula a Flange paha, i hoʻopili ʻia e ka non a i ʻole flange. Hāʻule ka pahu kōpaʻa i loko o: ka valve choke positive, valve choke needle, valve choke adjustable, valve choke valve a me ka valve choke orifice, etc.