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Gasket Sealants

Fortunately, no one gasket suits a range of applications, but rather we have a multitude of gasket sealants available to meet various specifications and requirements.  Ultimately, sealants are used to effectively ensure gasket seals.  Helping to extend a gasket's life...

Types of industrial gasket material

Different industry sectors will use different types of gaskets and different types of gasket materials.   And of course!  Different industrial gasket materials will be much better suited to some industrial processes and applications compared to others.  As different...

Keeping a close eye on the gaskets your applications use

Gaskets are vital elements to any piping system and application that requires creating the perfect seal in order to prevent leaks.  This is the main role of a gasket, to provide a good seal, with some gasket materials sealing better than others in certain...

O Ring Colour Identification

O rings come in various colours, and it's important to understand what these colours indicate as the o rings you choose will affect your overall process application.  Ultimately, different o ring colours are used to help differentiate between different materials. ...

Spiral Wound Gasket Compressibility and Pressure Ratings

In order to form a reliable seal, spiral wound gaskets do require a certain degree of pressure.   The applied pressure allows the gasket to be compressed tightly between the mating surfaces preventing any leaks from occurring.  Factors such as operating temperature...

Elastomeric Compounds

What is elastomer?  Elastomeric compounds are rubber seals produced using natural rubbers or manufactured by the chemicals industry.  Elastomeric sealing compounds consist of between 50-60% rubber; the remainder of the compound consists of fillers,...

Is there such a thing as the right flange gasket?

We cannot stress enough how important gaskets and seals can be. Gaskets are vital for an application's reliability and integrity, and trust us when we say, choosing the right gasket now can help you avoid costly issues in the future.  Taking a closer look at pipe...

Plastic gaskets, the best alternative to metal

Plastic gaskets and seals are not that uncommon.  In fact, they’re used in many devices due to the longevity and functionality they offer.  Helping to prevent leaks and maintain temperature control, plastic gaskets help equipment and appliances operate to the best of...

Protecting your seals

Dust gets everywhere.  We see it across the surfaces of our homes and even in our workplaces, especially when the light shines through to show it in its full glory!  However, dust that seeps and builds up within engineering equipment can be disastrous.  Causing damage...

Importance of durometer testing

Durometer or shore durometer is a way for industry professionals to measure how hard such things as plastic, rubber, and non-metallic materials genuinely are.  Its focus is to measure on a Shore A or Shore D scale, looking at how robust material is when examining its...

BREWERY MANWAY and TANK DOOR SEALS

Also referred to as Tank Lid and Manlid Seals this product is supplied to applications using IBC Tanks, Vessels, Manways and Access Doors such as the Brewery, Dairy, Pharmaceutical and Chemical Process Industry’s for filling and storing many different types of liquids and chemicals. We supply many different shapes and sizes and profile sections in a variety of rubber materials including Nitrile, EPDM, Silicone, Natural and Viton, all of which are available in Food Quality approved grades meeting the necessary specifications and standards required in these industries.

Below are the specific moulded sizes and profile sections that are held in stock in the different material categories. Other sizes, shapes and profiles can be extruded and Vulcanise jointed to meet any dimensional and profile fit you may require

Manway Door Seals and Gasket in Leeds
Manway Door Seals and Gasket Profiles

TANK LID PACKINGS 

The sealing of tank lids, furnace doors and crucible lids may appear to be a less demanding application due to the lack of component movement, but these static duties bring their own challenges. 

To meet demands such as the extreme temperatures of lid sealing on aluminium smelting crucibles or chemical resistance for sealing tank lids on hazardous substance shipping tanks, we offer the latest yarn technology to meet both application demands and user safety. 

Using a variety of core and braid materials plus different manufacturing techniques, products are developed to suit specific application demands, whether that is an economic single use tank lid seal or a longer-term option for effective sealing of furnace doors 

We have a complete and comprehensive range of tank lid packing materials for tank, crucible and furnace door sealing applications.  

There are two different packing designs Tankatite and Torrlid, each having its own material combination variations to offer a range of options for individual applications, enabling the end user to choose the performance / cost combination best suited to meet their requirements 

Tankatite® 

Our comprehensive range of tank lid packings developed to meet the increasingly stringent international regulations that cover the maritime transport of chemical and potentially hazardous cargoes. Extensions to the range cover the requirements of road and rail transport, plus static or mobile tank containers 

TorrLid® 

A specialised high-temperature product designed for high temperature static duties such as crucible lids in metal smelting applications and the sealing of furnace doors 

Manway Tankatite 250 XL

Tankatite 250 

A state of the art packing design specifically developed for production in rectangular sections and at smaller sections to suit the smaller tank lid recesses of road and rail tankers. 

Prime Features 

  • Easy to cut and fit in small section lid recesses 
  • Tough, resilient and long-life product 
  • Withstands repeated opening/closing cycles 
  • Controls emission levels from tanks 
  • Protects tank contents from contamination 
  • Withstands arduous cleaning systems

Typical Applications  

Seals to fit smaller tank lid recesses of road and rail tankers. 

Chemical Properties 

Compatible with media in the range pH 1-13 at normal operating temperatures, excluding fluorine gas 

How Supplied 

As length form packing or endless rings to fit popular lid recess dimensions 

Static Duties on Tank Lids 

Maximum Operating Temperature   :  +100⁰C 
Minimum Operating Temperature    :   -30⁰C 
Maximum Tank Pressure :  50kPa / 0.5bar (7psi) 

Manway Tankatite 440

Tankatite 440

A resilient elastomeric core, spirally wrapped with PTFE tape and surrounded by successive braided jackets of inert polypropylene yarn. Specially reinforced corners are incorporated to build the section to the required packing size. The braided structure is spirally wrapped with further layers of PTFE tape to provide an impermeable barrier to liquids and gases, then finally enclosed in a robust, abrasion resistant braid of PTFE yarns.

Prime Features

  • Gas-tight environmental seal
  • Protects cargo from sea water ingress
  • Withstands repeated opening/closing cycles
  • Unaffected by steam and other tank cleaning systems
  • Suitable for smooth recesses in stainless steel lips as well as those with rougher surface finishes.

Typical Applications

Sealing of tank lids, main hatches, inspection and cleaning covers on tankers carrying all known bulk liquid cargoes in all International Maritime Organisation (IMO) classes.

Chemical Properties

Compatible with media in the range pH 0-14 including all known bulk cargoes in all IMO classes

How Supplied

As length form packing or endless rings to fit specific tank lid recess dimensions

Static Duties on Tank Lids

Maximum Operating Temperature : +120⁰C
Minimum Operating Temperature : -50⁰C
Maximum Tank Pressure : 70kPa / 0.7bar (10psi)

Manway Tankatite 660

Tankatite 660 

A heat resistant grade of Tankatite. Similar in construction to Tankatite 440, but with braided jackets of high quality glass fibre yarns instead of polypropylene. 

Prime Features 

  • Gas-tight environmental seal for heated cargoes 
  • Protects cargo from sea water ingress 
  • Withstands repeated opening/closing cycles 
  • Unaffected by steam and other tank cleaning systems 

Typical Applications  

Seals for tank lids that cover heated cargoes, such as molten bitumen, which need to be transported at elevated temperatures to prevent solidification in the tank. 

Chemical Properties 

Compatible with media in the range pH 0-14 including all known bulk cargoes in all IMO classes. 

How Supplied 

As length form packing or endless rings to fit popular lid recess dimensions 

Static Duties on Tank Lids 

Maximum Operating Temperature   :  +230⁰C 
Minimum Operating Temperature    :   -50⁰C 
Maximum Tank Pressure :  60kPa / 0.6bar (9psi) 

Manway Tankatite 880 ACR XL

Tankatite 880 ACR

A new economical grade of general purpose lid packing for tank containers and , road and rail tankers, especially where the packing needs to be changed after each trip/cargo.

It is a white packing constructed from spun acrylic fibre yarns impregnated with PTFE suspension. Dense but flexible, it is easy to cut and fit, and to remove when it needs to be replaced.

Prime Features

  • Excellent value for money
  • Contains no grease or oil – no lubricant to squeeze out when packing is compressed
  • Easy to cut and fit in small section lid recesses
  • Easy to remove when it needs replacing
  • Protects tank contents from external contamination
  • Approved, specified and used by major tank container operators world wide

Typical Applications

Seals for lids and fittings on tank containers for road, rail or static use that contain chemicals, petroleum products or foodstuffs. This general purpose lid packing for tank containers, road and rail tankers, proves invaluable when the packing needs to be changed after each trip/cargo.

Chemical Properties

Compatible with media in the range pH 2-12

Compatible with a full range of cargoes including chemicals, petroleum products and foodstuffs

How Supplied

Available in popular sections from 10 mm up to 20 mm in coils of 50 metres and also as cut lengths to suit individual lids

Static Duties on Tank Lids

Maximum Operating Temperature : +250⁰C
Minimum Operating Temperature : -50⁰C
Maximum Tank Pressure : 200kPa / 2bar (29psi)

Manway Tankatite 880 Super ACR XL

Tankatite 880 Super

A clean, length form packing manufactured from an inert reinforced polypropylene yarn, impregnated with PTFE and an inert resin to provide a non-stick surface.

It contains a resilient elastomeric core for improved performance.

Prime Features

  • Excellent value for money
  • Equivalent performance to moulded rubber seals
  • Easy to cut and fit in small section lid recesses
  • Excellent sealing capability on repeated opening/closing cycles
  • Controls emission levels from tanks
  • Protects tank contents from external contamination
  • Withstands arduous cleaning systems

Typical Applications

Seals for lids and fittings on tank containers for road, rail or static use, that contain chemicals, petroleum products or foodstuffs. Also for lids and fittings on dedicated tanks that handle aggressive cargoes under an inert gas blanket. It readily replaces moulded rubber sealing components and low cost packings.

Chemical Properties

Compatible with media in the range pH 0-14

Totally compatible with a full range of cargoes including chemicals, petroleum products and foodstuffs

How Supplied

As coil form packing and endless rings in sections to fit popular lid recess dimensions

Static Duties on Tank Lids

Maximum Operating Temperature   :  +120⁰C

Minimum Operating Temperature    :   -50⁰C

Maximum Tank Pressure                  :  200kPa / 2bar (29psi)

Manway TorrLid 162B XL

TorrLid 162B 

This specialised product has been developed specifically as a lid seal to hold a vacuum within crucibles of molten aluminium.  

It features a resilient hollow-centred core of ethylene-propylene elastomer, over-braided with a jacket of filament glass yarns. The exterior surface is coated with a layer of red-coloured silicone rubber. 

Prime Features

  • Developed specifically as a vacuum seal for aluminium crucible lids 
  • Readily withstands the temperatures and compressive forces involved 
  • Tough silicone rubber coating provides abrasion resistance 
  • Withstands repeated opening/closing cycles 

Typical Applications 

This exceptionally well-proven product is used worldwide as a vacuum lid seal for crucibles containing molten aluminium. It has also proved a great success on new plant using the latest AP35 technology. 

How Supplied 

Manufactured to order, in a wide range of sections and lengths to meet specific customer requirements 

Static Duties with Crucible Lids 

Maximum Working Temperature : Suitable for holding a vacuum over molten aluminium in  crucibles.(please consult SSP) 
Pressure Range : From partial vacuum up to 0.9 MPa / 9bar (131 psi) 

Manway TorrLid 297

TorrLid 297

This highly specialised product features a resilient, hollow-centred elastomeric core that resists higher temperatures than the ethylene-propylene used in TorrLid 162B.

The core is over-braided with a jacket of filament glass yarns, and the exterior surface is then coated with a proprietary graphite dispersion.

Prime Features

Developed as a higher temperature vacuum seal for the lids of crucibles as used in specific aluminium smelting plants

Readily withstands the temperatures and compressive forces involved

Withstands repeated opening/closing cycles

Typical Applications

This well-proven product is used as a vacuum lid seal for crucibles containing molten aluminium. It is particularly popular with aluminium plants in the southern hemisphere.

How Supplied

Manufactured to order, in a wide range of sections and lengths to meet specific customer requirements

Static Duties with Crucible Lids

Maximum Working Temperature : Suitable for holding a vacuum over molten aluminium in crucibles.(please consult SSP)
Pressure Range : From partial vacuum up to 0.9 MPa / 9bar (131 psi)

Manway Door Profiles

These are standard sizes and profiles readily available from stock in many differnet material options.

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