该泵采用内啮合原理，内外齿轮节圆紧靠一边，另一边被“月牙板”隔开，齿轮同向转动，无困液现象，结构先进，体积小，流量大，噪音低，寿命长。
适用范围
适用于输送各种轻质、挥发性气体，直至重质、粘稠液体、甚至半固态液体。广泛应用于石油、化工、油脂、涂料等行业．
性能参数
| 型号 Model |
进出口径 | 流量m3/h |
压力 MPa |
吸入真空 MPa |
转速 rpm |
配用电机Motor | 装配形式 | 重量kg | 外形尺寸长×宽×高（mm） | |
| 型号 Model |
功率 KW |
|||||||||
| NCB1.2/0.3 | G1" | 1.2 | 0.3 | 0.03 | 500 | Y90L-6 | 1.1 | W-L | 10 | 234×140×140 |
| NCB1.8/0.3 | G1 1/2" | 1.8 | 0.3 | 0.03 | 500 | Y100L-6 | 1.5 | W-L | 11 | 254×153×153 |
| NCB3/0.3 | 3 | 700 | 1.5 | W-L | ||||||
| NCB6/0.5 | φ40 | 6 | 0.5 | 0.05 | 500 | Y100L2-4 | 3 | W-L | 70 | 700×370×300 |
| NCB8/0.5 | 8 | 670 | 3 | W-L | ||||||
| NCB12/0.5 | φ50 | 12 | 0.5 | 0.05 | 290 | Y132M1-6 | 4 | W-L | 140 | 800×550×420 |
| NCB16/0.5 | 16 | 380 | Y132M2-6 | 5.5 | W-L | |||||
| NCB20/0.5 | 20 | 460 | Y132M-4 | 7.5 | W-L | |||||
| NCB12/0.7 | φ80 | 12 | 0.7 | 0.08 | 220 | Y160M-6 | 7.5 | W-L | 330 | 910×780×500 |
| NCB18/0.7 | 18 | 310 | Y160L-6 | 11 | W-L | |||||
| NCB24/0.5 | 24 | 0.5 | 0.08 | 420 | Y160M-4 | 11 | W-L | |||
| NCB30/0.5 | 30 | 520 | Y160L-4 | 15 | W-L | |||||
| NCB40/0.5 | φ125 | 40 | 0.5 | 0.08 | 230 | Y200L1-6 | 18.5 | W-L | 750 | 1240×1022×610 |
| NCB50/0.5 | 50 | 290 | Y200L2-6 | 18.5 | W-L | |||||
| NCB60/0.5 | 60 | 350 | Y200L2-6 | 22 | W-L | |||||
| NCB70/0.5 | 70 | 410 | Y225M-6 | 30 | W-L | |||||
| NCB80/0.5 | 80 | 470 | Y200L-4 | 30 | W-L | |||||
| NCB100/0.5 | φ150 | 100 | 0.5 | 0.08 | 320 | Y280S-6 | 45 | W | ||
| NCB120/0.5 | 120 | 380 | Y280M-6 | 55 | W | |||||