PDM Laum (downhole Tsav Tsheb)
Lub Cav Qis Qhov yog ib hom cuab yeej siv hluav taws xob uas siv hluav taws xob los ntawm cov kua dej thiab tom qab ntawd txhais cov kua dej siab mus rau hauv lub zog kho tshuab. Thaum cov kua dej fais fab ntws mus rau hauv lub cev muaj zog hydraulic, qhov sib txawv ntawm qhov nkag thiab qhov tawm ntawm lub cev muaj zog tuaj yeem tig lub rotor hauv stator, muab lub zog thiab qhov ceev tsim nyog rau lub laum rau kev laum. Lub cuab yeej laum ntsia hlau yog qhov tsim nyog rau cov qhov dej ntsug, kev taw qhia thiab kab rov tav.
Cov kev cai rauPDM Tshuab laum(Lub cev muaj zog Downhole):
| Qauv | Ntau yam ntawm lub cev muaj zog(l/s) |
Kev poob siab MPa(ksi) | Ntsuam xyuas lub zog tig Nm(ft.lb) | Max.lub zog tig Nm(ft.lb) | Qhov hnyav pom zoo kN(cov kips) |
Lub zog kW(HP) | Dia. hli(in) | Ntev m(ft) | Kev Sib Txuas(API REG) | |
| 上Muab lub thawv rau | 下Lub thawv cia | |||||||||
| 5LZ43 × 7.0 | 0.5~1.5 | 4(0.64) | 108(80) | 173(128) | 6(1.3) | 3.68(4.9) | 43(11/16) | 3.5(11.5) | M27 × 2 | |
| 5LZ60 × 7.0 | 1.26~3.13 | 2.5(0.4) | 160(118) | 280(207) | 5(1.1) | 2.35~6.03(3.2~8.1) | 60(2 3/8) | 3.3(10.8) | 1.9TBG | |
| 5LZ73 × 7.0 | 1.26~5.05 | 3.5(0.5) | 275(203) | 480(354) | 12(2.7) | 3.5~13.82(4.7~18.5) | 73(2 7/8) | 3.45(11.3) | 2 3/8TBG | 2 3/8REG |
| 5LZ89 × 7.0 | 2~7 | 4.1(0.6) | 560(413) | 980(723) | 18(4) | 5.6~19.35(7.5~25.9) | 89(3 1/2) | 4.67(15.3) | 2 3/8REG | |
| 5LZ95 × 7.0 | 4.73~11.04 | 3.2(0.5) | 950(701) | 1240(915) | 21(4.7) | 10.4~23.79(13.9~31.9) | 95(3 3/4) | 3.7(12.1) | 2 7/8REG | |
| C5LZ95 × 7.0 | 5~13.33 | 6.5(0.9) | 1490 xyoo(1099) | 2384(1758 xyoo) | 55(12.4) | 21.8~59.3(29.2~79.5) | 95(3 3/4) | 6.88(22.6) | 2 7/8REG | |
| 5LZ100 × 7.0 | 4.73~11.04 | 3.2(0.5) | 710(524) | 1240(915) | 21(4.7) | 10.4~23.79(13.9~31.9) | 100(3 7/8) | 4.35(14.3) | 2 7/8REG | |
| 5LZ120 × 7.0 | 5.78~15.8 | 2.5(0.4) | 1300(959) | 2275(1678 xyoo) | 55(12.4) | 9.5~27.23(12.7~36.5) | 120(4 3/4) | 4.88(16) | 3 1/2REG | |
| C5LZ120 × 7.0 | 6.667~20 | 5.2(0.8) | 2500(1844 xyoo) | 4000(2950) | 55(12.4) | 70.5(94.5) | 120(4 3/4) | 6.88(22.6) | 3 1/2REG | |
| D5LZ120 × 7.0 | 5.78~15.8 | 1.6(0.2) | 900(664) | 1440(1062) | 55(12.4) | 6.6~18.85(8.8~25.3) | 120(4 3/4) | 3.29(10.8) | 3 1/2REG | |
| 3LZ165 × 7.0 | 17-27 | 4.1(0.6) | 2500(1844 xyoo) | 3750(2766) | 80(18) | 78.54(105.3) | 165(6 1/2) | 6.5(21.3) | 4 1/2REG | |
| 5LZ165 × 7.0 | 16~28(47) | 3.2(0.5) | 3200(2360) | 5600(4131) | 80(18) | 33.5~59.65(44.9~80.0) | 165(6 1/2) | 6.25(20.5) | 4 1/2REG | |
| C5LZ165 × 7.0 | 18.93~37.85 | 3.2(0.5) | 3660(2710) | 5856(4319) | 100(22.5) | 112.6(151.0) | 165(6 1/2) | 6.71(22) | 4 1/2REG | |
| D7LZ165 × 7.0 | 18-28 | 2.5(0.4) | 2300(1696 xyoo) | 3680(2714) | 80(18) | 30.4~47.2(40.8~63.3) | 165(6 1/2) | 4.7(15.4) | 4 1/2REG | |
| 9LZ165 × 7.0 | 19~31.6 | 2.5(0.4) | 3200(2360) | 5600(4130) | 100(22.5) | 45.24(60.7) | 165(6 1/2) | 5.7(18.7) | 4 1/2REG | |
| 5LZ172 × 7.0 | 18.9 ~ 37.8 | 3.2(0.5) | 3660(2710) | 5856(4319) | 100(22.5) | 38.3~76.6(514~102.7) | 172(64 3/4) | 6.71(22) | 4 1/2REG | |
| C5LZ172 × 7.0 | 18.9 ~ 37.8 | 6(0.9) | 6870(5067) | 10992(8108) | 170(38.2) | 71.9~144(96.4~193.1) | 172(64 3/4) | 9.18(30.1) | 4 1/2REG | |
| 5LZ197 × 7.0 | 22~36(55) | 3.2(0.5) | 5000(3688) | 8750(6454) | 120(27) | 49.7~78.54(66.6~105.3) | 197(74 3/4) | 6.9(22.6) | 5 1/2REG | 6 5/8REG |
| C5LZ203 × 7.0 | 22~36 | 5.2(0.8) | 8890(6557) | 14220(10489) | 145(32.6) | 150(201.1) | 203(8) | 8.7(28.5) | 5 1/2REG | 6 5/8REG |
| C3LZ216 × 7.0 | 28 ~ 56.78 | 5.0(0.7) | 7930(5849) | 12700(9368) | 200(45) | 240.8(322.9) | 216(8 1/2) | 8.285(27.2) | 6 5/8REG | 6 5/8REG |
| C5LZ216 × 7.0 | 28 ~56.78 | 5.0(0.7) | 10700(7892) | 17100(12613) | 200(45) | 235.3(315.5) | 216(8 1/2) | 8.285(27.2) | 6 5/8REG | 6 5/8REG |
| 3LZ244 × 7.0 | 18.93 ~56.78 | 5.0(0.7) | 7040(5193) | 11260(8305) | 210(47.2) | 213.8(286.7) | 244(9 5/8) | 7.56(24.8) | 6 5/8REG | 6 5/8REG |
| 5LZ244 × 7.0 | 50.5~75.7 | 2.5(0.4) | 9300(6860) | 16275(12004) | 213(47.9) | 87.7~136.3(117.6~182.8) | 244(9 5/8) | 7.8(25.6) | 6 5/8REG | 7 5/8REG |






