China Crankshaft Plunger Pump Qb21-47 Qb21-60 Qb21-80 for Bop

The crankshaft piston pump is a three-plunger pump driven by the crankshaft connecting rod, and the valve is assigned with a flow distribution method. Therefore, the utility model has the advantages of simple structure, convenient maintenance and strong anti-pollution, and is suitable for on-site working conditions. Mainly used in hydraulic oil medium systems. The plunger pump relies on the reciprocating motion of the plunger in the cylinder body to change the volume of the sealed working chamber to achieve oil absorption and pressure.

ModelWorking Pressure MpaID
mmFlow Rate
L/MinDisplacement
ml/rMotor Power
kWNew WeightkgVolume
cm³QB21-80-252140468218.519081.5*44*30QB21-60-222140356315 19081.5*44*30QB21-47-192140205211 19081.5*44*30
Company Information
UPET OILFIELD EQUIPMENTS CO.,LTD is one of the most well-known suppliers for the oilfield equipments in China, was established in 2000, and now has grown up to a star company which is not big but very strong in this field with our persistant effort step by step in the past years.Our products refer to the whole areas of oilfields, from a very small spare part to a very big complete rig system. Our main products are: pump spare parts, mud pumps&packages, DC/AC Motors, solid control equipments, power units, truck-mounted rigs, workover rigs, land rigs, drilling pipes and drilling tools etc. All of our products are manufactured according to the API Standard, and we are authorized to use API monogram.
Our products have been exported to 15 countries& areas around the world, 80% of our exsisting customers have done the business with us by more than 5 times, no one-off customer. We will continue to expand our range, and win more customers' trust with our better and better performance.
We welcome the win-win cooperation relationship with the partners from any places in the world, each customer is our god and helper. Warmly welcome you to come to China and visit us!
With us, you will save money, time, trouble, and most important point is that you can sleep better.