CENTRIFUGAL PUMP/PLUNGER PUMP
As a famous petroleum equipment supplier, SERVA developsthe technology of not only the equipment but also the plunger pump.
Now SJS can product four type of the plunger pump, which are the mainstream pump in the cementing, fracture, sanding, & acid well service.
SJS pump is a famous pump, which the performance and the quality is in the highest flight in the world and almost same as Hallibur­ton, SPM, GD.
SJS can product 400 sets plunger pump per one year. And most of them is used in overseas.
SJS is a main manufacture base in the world.

The TPA2250 is a reciprocating, positive displacement, horizontal single-acting, triplex plunger pump which is rated at 2250 brake horsepower input maximum. It is designed for severe-duty well service applications such as acidizing, fracturing, well killing, etc.

It consists of a power end assembly and a fluid end assembly. Four different fluid cylinders are available to accommodate several plunger sizes for a variety of pressures and volumes.

Heavy-duty crankshaft construction
Patented crosshead for easy disassembly and maintenance 
Hardened surface herringbone gear sets
Continuous non-interrupted lubrication to critical components
Clamped plungers, hardened surfaces
Adjustable or non-adjustable header ring style pressure packing
Left or right-side suction and discharge connections
Single left or right-hand bolted forged steel discharge flanges
Center pressure gauge connection
Zoom-in suction manifold with Victaulic coupling