HomeContact
test pressure schedule

API 6D

Valve Pressure Class Minimum Test Pressures psig Shell Hydrostatic Seat Hydrostatic
150 425 300
300 1100 800
400 1450 1060
600 2175 1600
900 3250 2400
1500 5400 4000
2500 9000 6600

The Test Pressures listed are NOT valve operating pressure ratings.
Valve Size - NPS Shell Test Duration Minutes Seat Test Duration Minutes
2",3",4" 2 2
6" through 10" 5 5
12" through 18" 15 5
20" and larger 30 5
One of the world's largest suppliers of industrial valves