Aiming at how to reduce the pump noises, a new type of double acting piston radial pump with lower noises is designed here.
就针对如何降低泵的噪声问题，本人设计出了一种新型的低噪声双作用径向柱塞泵。
2
TBW-850 mine mud pump is a horizontal double cylinder double acting pistonpump.
TBW - 850煤矿用泥浆泵为卧式双缸双作用活塞泵。
3
The working principle of a new kind of double-acting hand pistonpump having two-step output pressure was introduced. The displacement and the output pressure calculating formulae were given.