Project Main Details
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One of Hoover Ferguson’s most valuable container solutions is the cargo valve IBC container, which complies with both the US dept. of transportation special permit SP12412 as well as the international UN 31A regulations.
The SP 12412, commonly referred to as the pump off exemption, permits the discharge of certain combustible, flammable liquids from a container while it is located on a transport vehicle. Under this special permit, only containers with bottom discharge systems, that include emergency shut off valves, are permitted to discharge hazardous materials from the trailer or flatbed.
This exclusive Cargo Valve IBC container is readily available in standard sizes of 350 gallon and 500 gallon tanks. It is a modified version of Hoover Ferguson’s standard IBC container.
This container has a thicker 8-gauge bottom pan. This 8-gauge construction gives the cargo valve IBC the necessary strength to support the cargo valve system, which is the emergency shut off valve system required by special permit 12412.
In addition, the Cargo Valve IBC is a center drain, allowing the contents to drain to the center.
Unlike the standard container, the Cargo valve IBC unit features vibration dampening harmonic legs. These legs have rubber inserts that absorb road vibration.
The Cargo unit has two-way forklift pocket entry which protects the center mounted emergency valve system.
To comply with the special permit requirement that each emergency shutoff valve system must have three methods of closure, the Cargo unit has an all 316-stainless steel valve assembly which includes the following closure system:
• 2” Dust cap
• 2” female NPT inline external ball valve with male quick connect adapter
• 3” spring loaded flanged internal emergency foot valve which incorporates a fusible link
The dust cap serves two purposes. First it provides a cover to prevent contamination of the contents of the IBC container.
Second its serves as one of three required methods of closure. The 2-inch female NPT ball valve, is the external valve of this unit. The attached male quick connect adapter is used for delivery hose hook up. The 3-inch spring loaded emergency valve, with manually operated pull handle, opens the internal foot valve of the container.
When the valve is open the contents of the tank are free to flow from the tank through the valves and into the discharge hose.
The emergency valve pull handle contains a fusible link section. This handle opens the foot valve and compresses the internal spring. The fusible link is designed to melt at approximately 2500 F ambient temperature. In case of fire, the fusible link softens and breaks, allowing the spring to immediately close the internal valve. This prevents further discharge of hazardous product from the tank.
The purpose of this self-automated fusible link mechanism is to protect the operator by automatically shutting down the system so the operator is not required to manually close the valve and risk getting hurt.
With the Cargo valve IBC unit on the back of the trailer we are ready to demonstrate how to discharge the contents of the Cargo Valve IBC into the waiting storage tank. To operate the discharge procedure, follow these steps:
• Insure all valve handles are in their closed positions.
• Remove the first method of closure – the 2” dust cap
• Attach 2-inch delivery hose with quick connect, pulling forward on the toggle arms to secure the hose
• Open the second method of closure – the inline ball valve.
• Open the third method of closure – the spring-loaded emergency valve. To manually open the emergency valve, pull the handle towards you, against the spring and secure it in the valve handle slot.
Observe what happens inside the tank as the spring-loaded valve is being opened. As the valve is being pulled open against the spring the foot valve inside the IBC opens to initiate product flow from the IBC into the valve.
The Cargo valve IBC unit’s foot valve is 3-inches in diameter. This is to enable adequate product flow with the valve open.
Now that the emergency valve, the final method of closure is opened and secured in the valve handle slot, the product inside the tank begins to flow through the valve assembly into the hose and on into the storage tank.
The discharge procedure is now completed.
Let us recap the features and benefits of the Cargo valve IBC unit.
Keep in mind, that the purpose of this unit and its discharge system is to satisfy the Dept. of transpirations’ special permit 12412, thus protecting lives, property and the environment.
Hoover Ferguson’s Cargo Valve IBC provides the following solutions:
• Three methods of closure during transportation
• Spring loaded emergency 3-inch internal foot valve with fusible link
• In-line 2-inch ball valve
• 2” Quick connect male adapter and dust cap
• Two-way forklift entry
• For front positioning the IBC on the trailer
• Enclosed forklift channels to protect the emergency Valve assembly
• 8-gauge bottom pan for extra strength for safe support of emergency valve assembly
• Standard Hoover Ferguson IBC with 10-gauge bottom
• Not allowed for this application
• Not allowed to be retrofitted with valve extension
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