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Gasket vs Seal: What Is the Difference and Which Do You Need?

Let us start by saying:  All gaskets are seals, but not all seals are gaskets.  And yes, we know that they are very often grouped together and do indeed have similar functions; however, they are different, both in their characteristics and use.  With...
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Ring Type Joint vs Raised Face Flange: Key Differences and How to Choose

Within piping systems, valves, and vessels, it is critical that you choose the most appropriate flange, as these components affect safety, efficiency, and cost.  Two of the most common flange face types include raised face and ring type joint flanges. These two...
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Blind Flange vs Blank Flange: Key Differences and When to Use Each

Distinguishing between blind and blank flanges is a critical requirement for operational safety and efficiency within industrial applications such as pipe systems and networks.  These two terms, blank and blind, are often used interchangeably; however, it is...
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How Thick Should Gasket Paper Be?

Typical gasket paper thickness ranges from 0.15mm to 3.00mm, with many manufacturers following the principle that thickness follows flange condition and pressure.  Choosing the correct gasket sheet thickness should be decided...
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O Ring Colour Identification

Ensuring that tight seals are provided so no leaks occur and no contamination enters the application, correct o ring colour identification is essential.  These essential components are primarily used within water and gas distribution, the food...
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Choosing the right O-ring material for Hydraulic fluid applications

Choosing the appropriate O-ring material for hydraulic fluid is vital to prevent seal failure in applications and systems where leak prevention and contamination control are essential.  Each material type has its own set of unique properties and will...
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What you need to know about O Ring Lubricants

Choosing a compatible lubricant for a known O-ring material is essential to ensure the integrity and safety of the overall application/system. Enhancing an O-ring's performance, and as part of maintenance plans, lubricating is an essential element; however, with...
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Flange corrosion protection: How to identify, inspect, and prevent flange damage

It’s essential in any application that uses gaskets and seals that the right materials are chosen. Ensuring compatibility not only provides peace of mind that leaks are prevented, but by ensuring the correct material, you can also help to prevent excessive corrosion....
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Gaskets and sealing solutions for the brewing industry

Gaskets, a vital component in most industries when you’re looking to prevent leaks, seal in liquids, and avoid contamination, and the brewing industry is no exception. The brewing process involves a lot of chemicals and requires regular robust cleaning and...
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Gaskets vs Packing: When to use each

It’s essential when working with specific applications and systems that you use the correct gaskets and seals in order to prevent leaks and contamination - and there are numerous types, sizes, and designs to choose from. Two such types of seals come in the form of...
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Specialist Sealing Products - PO Box 86 Bingley BD16 9AQ
CALL 01535 274 776

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COMBINATION SET PACKINGS

This product, as the name implies, are packing sets manufactured using a combination of material styles designed to meet specific application requirements

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MODEL 102

A combination set of packing rings specifically designed for soot blowers. It comprises end rings in braided expanded pure graphite reinforced with stainless steel wire, plus intermediate rings of die moulded expanded graphite

Soot Blower Duties

Maximum Operating Temperature

Steam : +550⁰C

Oxidising : +450⁰C

Minimum Operating Temperature -200⁰C

Maximum System Pressure : 250 bar

Maximum shaft Speed : 20 m/s

Typical Applications

  • Designed primarily for soot blowers.
  • Can be used on travelling carriages, swivel tubes, rotary blowers and valve stems

Material Properties

  • Compatible with media in the range pH 0-14 excluding strong oxidising agents
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Main features

  • All rings are manufactured to specific densities to provide the best possible performance
  • Good compressibility and recovery for high integrity sealing
  • Rings do not age or creep under hot or cold operating conditions
  • Inherent flexibility for working efficiently on small diameter shafts and spindles
  • Stainless steel reinforced end rings to withstand pressure surges

MODEL 103

A combination set of packing rings specifically designed for bowl mill worm shaft applications. It comprises rings of braided expanded pure graphite with separator gasket rings of flexible pure graphite, usually 2 mm thick. A typical set will consist of four braided graphite rings with a separator ring top and bottom and in-between each one, five in total

Bowl Mill Worm Shaft Duties

Maximum Operating Temperature

Steam : +550⁰C

Oxidising : +450⁰C

Minimum Operating Temperature -200⁰C

Maximum System Pressure : 250 bar

Maximum shaft Speed : 20 m/s

Typical Applications 

  • Designed primarily for bowl mill worm shaft applications at thermal power stations  
  • Can be used for valve stems 
  • Suitable for use with coal dust, hot dry ash, flue gas, hot air, gas and oil, superheated and saturated steam 
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Material Properties 

  • Compatible with media in the range pH 0-14 excluding strong oxidising agents 

Main features 

  • Dimensionally stable under extreme operating conditions 
  • Inherent resilience for high integrity sealing 
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