Help reduce wear & tear on the connectors

This is Graco Air Pro Pressure Feed Spray Gun Air Valve Repair Kit with part no

They define the spray pattern

25D24X – Graco Xtreme Tuff-Stack Packing Repair Kits (85cc

Fragrances: Fresh

4000 PSI @ 3.5 GPM Horizontal Gas Engine Triplex Plunger Replacement Pressure Washer Pump 4HP Help reduce wear & tearAnnovi Reverberi AR RSV35G40D F40 horizontal gas engine triplex plunger pump is rated up to 3. 5 GPM at max 4000 PSI at 3400 RPM using a ?F inlet and ? F discharge thread. D version 1 with a gas engine flange. Max GPM 3. 5 Max L Min 13. 2 Max PSI 4000 MaxBar 275 Power EBHP 9. 6 Bore Dia mm 15 Stroke mm 8. 2 Crankshaft ID Stamp 8 Inlet 3 8" F Outlet 3 8" F Max Temp 140 F Oil Capacity (oz) 16 Weight 14 RPM 3400 Shaft Size 1" Shaft Version D Shaft Type