1. CRANKCASE Crankcase surface precision casting oxide treated, large heat sink.

2. HIGH AND LOW PRESSURE SEAL KIT U type low-pressure seal high pressure seal design longer service life.
Plunger support guide ring to ensure coaxiality prolong service life and plunger seal.

3. PISTON CONNECTING ROD Made of copper rod load, high strength, durable.

4. VIEW THE OIL WINDOW View window is located behind the oil pump, easy to check the oil level and easy to repair.

5. PUMP ASSEMBLY Selection of forging brass material, high strength, no porosity defect, long service life, high pressure resistance, stable operation.
Strengthening of 8 bolts of 8 mm, 8.8 pole.

6. ONE-WAY VALVE ASSEMBLY Special valve cage material durable, stainless steel 303 and 404 material hoist valve and spring, and the valve seat and valve brass cover are durable, prolong the service life.
one-way valve assembly disassembly Simple operation, easy maintenance.

7. PLUNGER Precision machining of hard solid ceramic plunger, sturdy and durable.

8. SEAL AND O-RING Crankcase oil better sealing system.
The oil seal and the O type sealing ring is equipped with stainless steel and spring to ensure adequate tension.

9. BEARING Large size ball bearings to ensure the crankshaft connecting rod concentricity, ensure the pump running stability.

THE BEARING SEAT Precision machining to ensure that the same bearing and concentricity.

CRANK SHAFT Fillet and processing precision to ensure the durability and service life.