High-Pressure Air Pump 30MPA Secondary Piston Ring 4500PSI Single/Two Cylinder Compressor Two Stage Piston Ring Shrapnel 10PCS

High pressure air pump piston ring, suitable for horizontal bar, parallel bar high pressure air pump, the piston ring is made of tetrfluoride material, corrosion resistance, wear resistance, and on the basis of durability, add 30% copper powder, and graphite, increased 20 times wear resistance, high temperature resistance. This product has a Z opening