Maximize Efficiency with Baffles in Tank Containers

Baffle Installation in Tank Containers

When the minimum loading capacity of 80% cannot be met, installing baffles becomes an effective solution. This is typically done in tanks with capacities of 30,000 liters (requiring 3 baffles) and 35,000 liters (requiring 4 baffles). However, adding baffles not only increases the weight but also raises costs. Additionally, to ensure proper maintenance and safety, companies should include cleaning hatches and spill boxes.

Regulatory Compliance for Baffled Tank Containers

The IMDG and ADR guidelines, specifically sections 4.3.2.2 and 4.3.2.4, state that tanks with capacities exceeding 7,500 liters must be filled to either at least 80% or less than 20% of their total volume. This regulation ensures safe transport and prevents accidents during shipping.

Safety Standards for Baffled Tank Containers

To comply with ADR and European transport regulations, baffled tanks must include essential safety features such as handrails, ground-operated vapor return systems, hazard placard boards, and bottom valves. Moreover, most tanks are designed to meet ISO and UN Portable Tank standards, and many carry dual certification, which enhances safety, particularly for hazardous materials.

Advantages of Using Baffled Tank Containers

Baffles reduce liquid movement,improving stability and safety during transport.They minimize spill risks,ensure safe handling of hazardous materials, and guarantee compliance with international regulations.

Buy a Container
Capacity: 
30.000 up to 35.000 Liters
Tare: 
from 3.700 till 4.600 kg
Max. Gross weight: 
36.000 kg till max 39.000 kg
Shell material: 
Stainless steel 316L / DIN 1.4402
Frame Dimensions:  
Length: 
23 ft. or 25 ft.
7.15 m/ 7.45 m/ 7.82 m
Height: 8’9”
2.70 m
Width: 
8’4”
2.55 m
Design Temperature: 
-40 degrees °C to 130 degrees °C
Maximum working pressure:4.0 Bar 
Test Pressure:6.0 Bar 
External pressure:0,41 bar 
Steam Test Pressure:4.0 bar 
Safety relief valve setting:4.4 bar 

Details of baffled Swap Body Tank Containers

a 20”/DN500 manlid is fitted with 8 swing bolts. The manlid is fitted with a standard PTFE braided gasket. Optional this can be changed to other gasket material.
To ensure good cleaning performance at automated cleaning facilities 3 or 4 extra cleaning openings are added: 12”/DN300 manlid, fitted with 4 swing bolts. The cleaning hatch is fitted with a standard PTFE braided manlid gasket. Optionally, this can be changed to other gasket material.
The internal of the vessel is fitted with vertical corrugated stainless steel baffles (316L). These baffles cover 70% of the internal diameter and due to the vertical shape it is easy to access and walk in the tank.

The Unportable Tank T11 is fitted with a 3 closure bottom discharge supplied by a worldwide leading manufacturer. The discharge valve includes a high-lift internal valve that can be closed remotely by a cable on the side of the tank container, a butterfly valve as 2nd closure and a 3” BSP spigot as the third closure.

Regularly we modify the connections at customer request to a Cleanflow version or change the BSP connection to a quick release coupling. Our team is here to assist.

Most tank containers are built for future fitment of a bottom cabinet (floor and door) to facilitate clean operation an easier installation of TIR seals.

A standard tank is fitted with a DN80/3” connection on top. Upon request, an additional connection can be added for easy filling and\ or discharge from the top. A bottom-operated top discharge is one of the options where our team can assist.
A full bottom operated airline is fitted, known as a  ground-operated vapor return (GOVR),which includes a bottom-operated airline valve, piping to the bottom/rear of the tank and a manometer including a 2nd valve (dimension and connection to be discussed).
A T11 tank container is fitted with a safety valve that opens at 4.4 bar (10% above the test pressure). In addition to the pressure- only version,a pressure + vacuum version is also available as an option. Each tank container is prepared for future fitment of a bursting disc, which is required for both T12 and T14 specifications.

The frame is made of mild steel and meet the ISO dimensions of a 20ft box container. The barrel is connected to the frame and is a part of the integral construction; therefore are top rails are not needed but can be added upon request.

The front and the rear of the tank vessel are protected by additional frame members as bull bars.

Each tank container is fitted with a stick-on analogue thermometer, that reads from -20 to max 160 degrees °C. Upon request, a digital version can be added as well as thermometers with a probe to provide a more accurate reading of the product temperature.

Each tank container is fitted with an anti-slip ladder on the rear side for easy access to the top of the container.

Each container is fitted with a full-deck aluminum walkway to access the manlid, cleaning hatches, safety relief valve , and airline. On request spillbox box covers can be added for clean operation and easier fitment of TIR seals.

Upon request, one or two collapsible handrails can be fitted, both top-operated and bottom-operated.

Each tank container is fitted witha minimum of 8 steam runs to heat the product with warn or steam. The covered area is 8 SQM. Upon request, the number of steam runs can be upgraded to 12 runs. In addition a water glycol/electrical heated system can be added.

A small part of the fleet is non-insulated, while the majority has 50mm insulation and cladding. The insulation materials vary and include PU(polyurethane), rock wool, glass wool,or a combination of these. The cladding materials are either aluminum, GRP (glass-reinforced plastic),or stainless steel.

 

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