Valavu ya Chipata cha Wellhead Slab ya API 6A
Mawonekedwe
1. Kapangidwe ka Full-bore kamachotsa bwino kutsika kwa kuthamanga kwa magazi ndi mafunde a eddy ndikuchepetsa tinthu tating'onoting'ono tolimba mumadzimadzi
kutsuka ma valve;
2. Kapangidwe kapadera kosindikiza, kotero kuti mphamvu yosinthira imachepetsedwa kwambiri;
3. Zisindikizo zachitsulo zimapangidwa pakati pa boneti ndi thupi la valavu, mbale ya valavu ndi mphete ya mpando wa valavu;
4. Chopopera chachitsulo pamwamba (chophimba) chowotcherera cha carbide cholimba, cholimba bwino pakuwonongeka, komanso cholimba pakutupa;
5. Mphete ya mpando imakhazikika ndi mbale yokhazikika kuti ikhale yokhazikika bwino;
6. Tsinde lili ndi njira yotsekera yozungulira kuti ithandize kusintha mphete yotsekera tsinde ndi mphamvu.