M9/M11 Sterilizer Pressure Relief Valve Location / Function Test and Repair
The pressure relief valve opens if the pressure inside the chamber reaches 40 psi (275 kPa). When the valve opens, pressurized steam is released from the bottom of the sterilizer thru the relief valve tubing.
The valve can be opened manually by pulling the pressure relief handle located on the top cover.
Steam / water will be expelled during this test. To prevent burns, place a towel around the bottom of the sterilizer.
Model Range -020 thru -022, -033, -034
|
Model |
M9M11 -020 thru -022, -033, -034 |
| Serial Number | All |
To test the pressure relief valve
1.Start an Unwrapped cycle.
2.When chamber pressure reaches 20 psi (138 kPa), pull pressure relief handle for approximately 3 seconds, then release. Steam should discharge when handle is pulled, and completely stop when handle is released.
If steam continues to discharge when handle is released
1.Pull handle.
2. Quickly release until valve “snaps” closed. If valve will not close, replace valve.
Model Range -040 thru -043
|
Model |
M9M11 -040 thru -043 |
| Serial Number | All |
To test the pressure relief valve
1.Start an Unwrapped cycle.
2.When chamber pressure reaches 20 psi (138 kPa), pull pressure relief handle for approximately 3 seconds, then release. Steam should discharge when handle is pulled, and completely stop when handle is released.
If steam continues to discharge when handle is released
1.Pull handle.
2. Quickly release until valve “snaps” closed. If valve will not close, replace valve.
