Flowcharts
POTA (Pressure Only To Atmosphere)
POPA (Pressure Only Pipe Away)
POPA – 2″Inlet x 2″Outlet | POPA – 2″Inlet x 3″Outlet
POPA – 3″Inlet x 3″Outlet | POPA – 3″Inlet x 4″Outlet
POPA – 4″Inlet x 4″Outlet | POPA – 4″Inlet x 6″Outlet
POPA – 6″Inlet x 6″Outlet | POPA – 6″Inlet x 8″Outlet
POPA – 8″Inlet x 8″Outlet | POPA – 8″Inlet x 10″Outlet
PVPA (Pressure Vacuum Pipe Away)
PVPA – 2″Inlet x 2″Outlet-P | PVPA – 2″Inlet x 2″Outlet-V
PVPA – 2″Inlet x 3″Outlet-P | PVPA – 2″Inlet x 3″Outlet-V
PVPA – 3″Inlet x 3″Outlet-P | PVPA – 3″Inlet x 3″Outlet-V
PVPA – 3″Inlet x 4″Outlet-P | PVPA – 3″Inlet x 4″Outlet-V
PVPA – 4″Inlet x 4″Outlet-P | PVPA – 4″Inlet x 4″Outlet-V
PVPA – 4″Inlet x 6″Outlet-P | PVPA – 4″Inlet x 6″Outlet-V
PVPA – 6″Inlet x 6″Outlet-P | PVPA – 6″Inlet x 6″Outlet-V
PVPA – 6″Inlet x 8″Outlet-P | PVPA – 6″Inlet x 8″Outlet-V
PVPA – 8″Inlet x 8″Outlet-P | PVPA – 8″Inlet x 8″Outlet-V
PVPA – 8″Inlet x 10″Outlet-P | PVPA – 8″Inlet x 10″Outlet-V
PVPA – 10″Inlet x 10″Outlet-P | PVPA – 10″Inlet x 10″Outlet-V
PVPA – 10″Inlet x 12″Outlet-P | PVPA – 10″Inlet x 12″Outlet-V
PVPA – 12″Inlet x 12″Outlet-P | PVPA – 12″Inlet x 12″Outlet-V
PVPA – 12″Inlet x 14″Outlet-P | PVPA – 12″Inlet x 14″Outlet-V
PVTA (Pressure Vacuum To Atmosphere)
PVTA – 2″Inlet (Vacuum) | PVTA – 2″Outlet (Pressure)
PVTA – 3″Inlet (Vacuum) | PVTA – 3″Outlet (Pressure)
PVTA – 4″Inlet (Vacuum) | PVTA – 4″Outlet (Pressure)
PVTA – 6″Inlet (Vacuum) | PVTA – 6″Outlet (Pressure)
PVTA – 8″Inlet (Vacuum) | PVTA – 8″Outlet (Pressure)
EPR (Emergency Pressure Relief)
VOR (Vacuum Only Roof Mount)
VOS (Vacuum Only Side Mount)
Compliance.
Accumulated knowledge and experience by combustion engineers in the venting industry has been applied to create the standards governed by API 2000 that all manufacturers and end-users must adhere to. Being a major contributor to the progression of the modern tank vent, Prism sits as a member of the API 2000 Task Force to assist in the forward growth and fair play in the industry with focus directed towards safety and stringent testing procedures.