Flow Charts

POTA (Pressure Only To Atmosphere)

POTA – 2″ Inlet

POTA – 3″ Inlet

POTA – 4″ Inlet

POTA – 6″ Inlet

POTA – 8″ Inlet

POTA – 10″ Inlet

POTA – 12″ Inlet

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

POPA – 10″Inlet x 10″Outlet | POPA – 10″Inlet x 12″Outlet

POPA – 12″Inlet x 12″Outlet | POPA – 12″Inlet x 14″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)

PVTA – 10″Inlet (Vacuum) | PVTA – 10″Outlet (Pressure)

PVTA – 12″Inlet (Vacuum) | PVTA – 12″Outlet (Pressure)

EPR (Emergency Pressure Relief)

EPR – 16″

EPR – 20″

EPR – 24″

OUR PRODUCTS

Available Options

We specialize in :

Pressure Vacuum Thief Hatch (PVTH)

Product Details

Right Side Up Pressure Vacuum Thief Hatch (RSU-PVTH)

Product Details

Pressure Only Pipe Away (POPA)

Product Details

Pressure Vacuum Pipe Away (PVPA)

Product Details

Pressure Only to Atmosphere (POTA)

Product Details

High Pressure, Pressure Only to Atmposhere (HP-POTA)

Product Details

Pressure Vacuum to Atmosphere (PVTA)

Product Details

High Pressure, Pressure Vacuum to Atmosphere (HP-PVTA)

Product Details

Vacuum Only Side Mount (VOS)

Product Details

Vacuum Only Roof Mount (VOR)

Product Details

Gauge Hatch (GHFL)

Product Details

Emergency Pressure Relief (EPR)

Product Details

Pressure Vacuum Thief Hatch (PVTH)

Product Details

Right Side Up Pressure Vacuum Thief Hatch (RSU-PVTH)

Product Details

Pressure Only Pipe Away (POPA)

Product Details

Pressure Vacuum Pipe Away (PVPA)

Product Details

Pressure Only to Atmosphere (POTA)

Product Details

High Pressure, Pressure Only to Atmposhere (HP-POTA)

Product Details

Pressure Vacuum to Atmosphere (PVTA)

Product Details

High Pressure, Pressure Vacuum to Atmosphere (HP-PVTA)

Product Details

Vacuum Only Side Mount (VOS)

Product Details

Vacuum Only Roof Mount (VOR)

Product Details

Gauge Hatch (GHFL)

Product Details

Emergency Pressure Relief (EPR)

Product Details

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.

A SPECTRUM OF INNOVATION

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Pressure Vacuum Thief Hatch (PVTH)

AVAILABLE SIZES: 8’’

Prism has developed the Vapor Tight Pressure/Vacuum Thief Hatch to address fugitive emissions for the new millennium. Releases of toxic vapors into the atmosphere are unacceptable and wrong. Prism’s vapor recovery unit offers superior sealing ability, is built to last, and has good local service and support to make repairs quickly if necessary.

The Prism Vapor Tight Thief Hatch will address the vapor recovery issues of your flare stack. Our Counter Force Pressure Suspended Seal Assembly works by inflating as the pressure rises in the tank. As it inflates, it creates an even tighter air purge seal. A choice of body materials such as aluminum, coated carbon steel, and stainless steel are available to choose from. Carbon steel and stainless-steel construction ensure long life and durability. Prism has local manufacturing facilities and pursues combustion engineering challenges aimed squarely at Alberta’s harsh climate and conditions.

Right Side Up Pressure Vacuum Thief Hatch (RSU-PVTH)

AVAILABLE SIZES: 8’’
Solving Leakage Problems

Prism Integrated Solutions Inc. has engineered the Right Side Up Thief Hatch to eliminate problems associated with thief hatches in general. All other thief hatches incorporate a vacuum valve that hangs in the thief hatch valve upside down. Being that the valve is upside down, all rust, debris, ice, and water are sitting on the valve pallet, where if the valve opens, will fall right in between the seat and the valve pallet causing continuous leaking. Once the valve opens, the chance of getting debris between the seat is very high occurs frequently.

Pressure Only Pipe Away (POPA)

AVAILABLE SIZES: 2”, 2”x3”, 3”, 3”x4”, 4”, 4”x6”, 6”, 6”x8”, 8”, 8”x10”, 10”, 10”x12”, 12”, 12”x14”

This pressure only relief vent design is totally sealed and configured to pipe-away vapor to a transfer or recovery line from a common flange connection without releasing any hazardous gas or vapors to atmosphere.

Pressure Vacuum Pipe Away (PVPA)

AVAILABLE SIZES: 2”, 2”x3”, 3”, 3”x4”, 4”, 4”x6”, 6”, 6”x8”, 8”, 8”x10”, 10”, 10”x12”, 12”, 12”x14”

This pressure and vacuum relief vent design is totally sealed and configured to pipe-away vapor to a transfer or recovery line from a common flange connection without releasing any hazardous gas or vapors to atmosphere.

Pressure Only to Atmosphere (POTA)

AVAILABLE SIZES: 2”, 3”, 4”, 6”, 8”, 10”, 12”

This pressure only relief vent design is configured to release internal tank pressure to atmosphere and is equipped with a weather hood to protect internal pallet while in service.

High Pressure, Pressure Only to Atmposhere (HP-POTA)

AVAILABLE SIZES: 2”, 3”, 4”, 6”

This high pressure version of pressure only relief vent design (up to 14.9PSI) is configured to release internal tank pressure to atmosphere and is equipped with a weather hood to protect internal pallet while in service.

Pressure Vacuum to Atmosphere (PVTA)

AVAILABLE SIZES: 2”, 3”, 4”, 6”, 8”, 10”, 12”

This pressure and vacuum relief vent design is configured to release internal tank pressure to atmosphere and is equipped with a weather hood to protect internal pallet while in service.

High Pressure, Pressure Vacuum to Atmosphere (HP-PVTA)

AVAILABLE SIZES: 2”, 3”, 4”, 6”

This high pressure and vacuum relief vent design is configured to release internal tank pressure to atmosphere and is equipped with a weather hood to protect internal pallet while in service.

Vacuum Only Side Mount (VOS)

AVAILABLE SIZES: 2”, 3”, 4”, 6”, 8”, 10”, 12”

Prism has a wide variety of truly unique vapour recovery systems. The Vacuum Only Side Mount is one of the available options for our incredible product offering, contact us to learn more about how the Vacuum Only Side Mount is the right fit for you.

Prism has developed the Vapor Tight Pressure/Vacuum Thief Hatch to address fugitive emissions for the new millennium. Releases of toxic vapors into the atmosphere are unacceptable and wrong. Prism’s vapor recovery unit offers superior sealing ability, is built to last, and has good local service and support to make repairs quickly if necessary.

The Prism Vapor Tight Thief Hatch will address the vapor recovery issues of your flare stack. Our Counter Force Pressure Suspended Seal Assembly works by inflating as the pressure rises in the tank. As it inflates, it creates an even tighter air purge seal. A choice of body materials such as aluminum, coated carbon steel, and stainless steel are available to choose from. Carbon steel and stainless-steel construction ensure long life and durability. Prism has local manufacturing facilities and pursues combustion engineering challenges aimed squarely at Alberta’s harsh climate and conditions.

Vacuum Only Roof Mount (VOR)

AVAILABLE SIZES: 2”, 3”, 4”, 6”, 8”, 10”, 12”

Prism has a wide variety of truly unique vapour recovery systems. The Vacuum Only Roof Mount is one of the available options for our incredible product offering, contact us to learn more about how the Vacuum Only Roof Mount is the right fit for you.

Prism has developed the Vapor Tight Pressure/Vacuum Thief Hatch to address fugitive emissions for the new millennium. Releases of toxic vapors into the atmosphere are unacceptable and wrong. Prism’s vapor recovery unit offers superior sealing ability, is built to last, and has good local service and support to make repairs quickly if necessary.

The Prism Vapor Tight Thief Hatch will address the vapor recovery issues of your flare stack. Our Counter Force Pressure Suspended Seal Assembly works by inflating as the pressure rises in the tank. As it inflates, it creates an even tighter air purge seal. A choice of body materials such as aluminum, coated carbon steel, and stainless steel are available to choose from. Carbon steel and stainless-steel construction ensure long life and durability. Prism has local manufacturing facilities and pursues combustion engineering challenges aimed squarely at Alberta’s harsh climate and conditions.

Gauge Hatch (GHFL)

AVAILABLE SIZES: 2”, 3”, 4”, 6”, 8”, 10”, 12”

Prism has a wide variety of truly unique vapour recovery systems. The Guage Hatch is one of the available options for our incredible product offering, contact us to learn more about how the Guage Hatch is the right fit for you.

Prism has developed the Vapor Tight Pressure/Vacuum Thief Hatch to address fugitive emissions for the new millennium. Releases of toxic vapors into the atmosphere are unacceptable and wrong. Prism’s vapor recovery unit offers superior sealing ability, is built to last, and has good local service and support to make repairs quickly if necessary.

The Prism Vapor Tight Thief Hatch will address the vapor recovery issues of your flare stack. Our Counter Force Pressure Suspended Seal Assembly works by inflating as the pressure rises in the tank. As it inflates, it creates an even tighter air purge seal. A choice of body materials such as aluminum, coated carbon steel, and stainless steel are available to choose from. Carbon steel and stainless-steel construction ensure long life and durability. Prism has local manufacturing facilities and pursues combustion engineering challenges aimed squarely at Alberta’s harsh climate and conditions.

Emergency Pressure Relief (EPR)

AVAILABLE SIZES: 16”, 20”, 24”

Prism has a wide variety of truly unique vapour recovery systems. The Emergency Pressure Relief is one of the available options for our incredible product offering, contact us to learn more about how the Emergency Pressure Relief is the right fit for you.

Prism has developed the Vapor Tight Pressure/Vacuum Thief Hatch to address fugitive emissions for the new millennium. Releases of toxic vapors into the atmosphere are unacceptable and wrong. Prism’s vapor recovery unit offers superior sealing ability, is built to last, and has good local service and support to make repairs quickly if necessary.

The Prism Vapor Tight Thief Hatch will address the vapor recovery issues of your flare stack. Our Counter Force Pressure Suspended Seal Assembly works by inflating as the pressure rises in the tank. As it inflates, it creates an even tighter air purge seal. A choice of body materials such as aluminum, coated carbon steel, and stainless steel are available to choose from. Carbon steel and stainless-steel construction ensure long life and durability. Prism has local manufacturing facilities and pursues combustion engineering challenges aimed squarely at Alberta’s harsh climate and conditions.