Awọn ifasoke jia ni awọn paati mojuto mẹrin: 1. Awọn jia (spur tabi helical). Awọn jia Spur dara fun awọn ohun elo kekere{2}}iyara, kekere{3}} awọn ohun elo titẹ (eyiti o fa awọn ipele ariwo ti o ga julọ), lakoko ti awọn jia helical dara fun giga{4}}iyara, giga{5} awọn ohun elo titẹ (idinku awọn ipele ariwo nipasẹ diẹ sii ju 50%). 2. Ara fifa ati ideri (irin simẹnti / irin simẹnti), pese atilẹyin ọna asopọ ti o pọ si ti 10{10}20 MPa. 3. ọpa wakọ (irin alloy giga), pẹlu agbara torsional ti o tobi ju tabi dọgba si 500 N·m, ti o ni ipa taara igbesi aye ẹrọ naa (eyiti o jẹ wakati 30,000-50,000){15}} ti ẹrọ edidi kan (oṣuwọn ohun elo lilẹ)<0.1 ml/min, meeting the explosion-proof requirements of the petrochemical industry. This structural design enables pumps to achieve volumetric efficiencies exceeding 95% in applications such as crude oil transportation and chemical media transfer.
