Floating roof seals for open tanks

Name: Highly efficient tank seals for floating roofs in open cisterns
Availability: InStock

Imhof Tank-Technik's patented tank seals for open tanks with floating roofs achieve an emission reduction of up to 99.5 - 99.8%.

We supply and install highly efficient double and tertiary (triple) seals, which ensure the maximum amount of stored product in the tank. The seals can be installed toghether with weather protection to reduce the impact of sun, wind, rain, etc.

All types of seals are anti-static on both sides. The choice of seal is based on type of stored product, as well as atmospheric conditions.

Hans Linder Spray nozzles & systems, Tank cleaning, Safety showers, Tank storage equipment

I look forward to providing product advice and solutions! Let's meet via a video call or a site visit. You can also phone or email us, of course.

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Design features

High-efficiency seals
Very effective centring of the floating roof using a spring structure with progressively increased compression
The seals build minimally in height ensuring maximum amount of stored product in the tank
Metal parts are made in stainless steel as standard
All types of sealing material are anti-static on both sides. Selection of the sealing material is made based on the type of product stored, as well as atmospheric conditions.
The seals can be supplemented with weather protection to reduce the impact of sun, wind, rain, etc.

Double seals

IM-GLS2

Designed for floating roofs type CBI or Graver or similar.

IM-GLW2**

Designed for floating roofs type CBI or Graver or similar.

IM-GHS2

Designed for floating roofs type Wiggins or similar.

IM-GHW2**

Designed for floating roofs type Wiggins or similar.

IM-GKSS2B

** These seals are equipped with a water-absorbent contact element to the tank wall, and are designed for water-free storage for all "white" storage products.

Secondary and tertiary seals

Typical seals for refined products ("white products")

IM-CW**

IM-FW**

IM-WSW**

** These seals are equipped with a water-absorbent contact element and are used for water-free storage of "white" products.

Typical seals for crude oil tanks

IM-CSR

IM-CSRF

IM-CY

The letter 'C' stands for Compression-Plate-type seals.

Tertiary (triple) seals

Typical tertiary (triple) seals for refined products ("white products")

IM-GLS2 + IM-WW

WIGGINS + IM-SG + IM-WW

S.I.P.M. + IM-SG + IM-UW

Typical tertiary (triple) seals for crude oil tankers

IM-GLXS2 + IM-WSAR

Start-up meeting, project review and proposed solution

To deliver the optimal solution, it is important to go through in detail various factors that affect product choice, type of solution, investment objective, and other requirements at an early stage of the project.

Start-up meeting

A start-up meeting is important to find out about a variety of factors that can affect the choice of equipment and solution to achieve the most efficient and sustainable result. At this stage, current regulatory requirements are also discussed.

We pefer to do the start-up meeting as a site visit or web meeting, depending on your preference.

Project review

During the start-up meeting, we review existing documentation and tank data (tank cards, measurements, etc.). Sometimes it is necessary to supplement the information with, for example, a roundness and rim space measurement to optimise the solution and minimise emissions.

Examples of other important factors to discuss and take into account include:

Type of product stored today and in the future
Tank construction - surface area, open or closed tank, type of floating roof, etc.
Desired efficiency
Regulatory requirements
Impact of external factors such as rain, snow and wind
Timeframe for emptying the tank, any repair work on the existing tank, delivery and installation
Investment objective

Summary and proposed solution

Using the information discussed during the site visit, we prepare a summary that we review with the client to ensure that we agree on the scope of the project.

The next step is that we put together and present a proposal for a sustainable and efficient solution, focusing on reducing emissions, maximising tank utilisation, achieving the highest possible safety rating and ensuring a long operating life.

Listed below is a selection of companies using Imhof Tank-Technik's efficient and high-quality tank seals for open and closed tanks.

Choose the right tank storage equipment for increased safety and reduced environmental impact

Each cistern is unique and tank storage equipment needs to be customised to achieve the most effective solution. To develop an environmentally friendly, safe and sustainable solution, there are a number of factors that affect the choice of product and type of solution.

To the knowledge base Tank storage equipment

Imhof Tank-Technik GmbH is a European leader in manufacturing and development of floating roof tank seals for open and closed cisterns. Imhof's patented seals achieve an emission reduction of 99.5-99.8%.

Imhof offers products and solutions as follows:

Complete solution - design, manufacture and installation
High quality and long life-span
6-year warranty if needed
Double and triple seals to meet increasingly stringent environmental requirements
Significant reduction of emissions and loss of stored product

Imhof Tank-Technik has been manufacturing floating roof tank seals for more than 40 years, focusing on high safety, quality, environmental impact and long life-span.