They are ASME certified and permanently labeled for 110 PSIG maximum working pressure

The 24K893 Stainless Steel Inlet Manifold Elbow Kit from Graco that include:

It can be used on both hand line stripers or moving trucks

Max Working Pressure:230 psi

PACKING for Graco Electric Airless Sprayer

Graco Husky 1050HP - 50 GPM - High Pressure Air-Operated Diaphragm Pump Aluminum Standard Air Valve w/Buna Seals Centre Section, Aluminium Fluid Section, and Aluminum Standard Porting (NPT). EPDM Diaph They are ASME certified andProduct Description The 24W757 is part of the Husky 1050HP series, and features a 1 Inch, 50 gpm, high pressure (25mm, 189 lpm) pump inlet outlet, Aluminum Standard Air Valve w Buna Seals centre section, Aluminium fluid section, and Aluminum Standard Porting (NPT). This 24W757 Graco Husky pump also comes with 316 Stainless Steel seats, Santoprene balls, Santoprene diaphragms, and PTFE manifold O Rings. Increased fluid pressure without sacrificing flow