pressure tolerance:

10 PSI max.; not recommended for fully pressurized applications;
10 psi
10 psi @ 0-1000 fpm
10-15 psi
15 psi
3 psi
3 psi @ 0-2000 fpm
7 psi
90 psi @ 0 fpm
Ambient
Less than 10 psi
Not Recommended For Pressurized Applications
Up to 4000 psi (Over 500 psi use a Back-Up Washer)