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The importance of mechanical seals when reducing water consumption in mining

Environmental considerations are at the top of most industry's agendas in the 21st century as companies evaluate and improve operations, processes, and systems.  Conserving water in mining is one such area that is now being investigated further with the rotation of...

How choosing the correct gasket reduces risks

Health and Safety across any industry are vital, especially so in industrial facilities and settings.  Why?  Because harmful leaks and emissions must be avoided at all costs to avoid serious accidents or injury to your teams and property.  That’s why having the right...

How to tighten your bolts perfectly

How to tighten your bolts and which tools you should use to achieve the perfect seal is not as seamless and straightforward as we would like. Various factors come into play in these situations, such as bolt grade, size, and even application type.  Tightening torques...

Static and Dynamic o rings

A range of factors and application dynamics come into play when choosing a particular type of o ring.  You need to understand the type of seal exert you require, the dimensions, and even compounds.  Due to the nature of an o ring and its overall design, o rings use...

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,...

VEE PACKINGS/CHEVRON SETS

Vee Packings, also referred to as Chevron Sets are universal multi-part seals that are highly regarded for their long working life and ability to operate under adverse mechanical conditions in rod and piston locations. 

This robust packing set, specially designed for up and down movement of plunges and axels in pumps and valves, comprises of three different elements, the gland ring/female adaptor, the header/male adaptor and multiple intermediate ‘V’ shaped rings. Activation is by lip sealing as the intermediate ‘V’ rings are tapered to give an initial interference when confined in the seal housing. The resulting radial force ensures good sealing. 

Vee Packings are used for both low and high-pressure applications with single or double acting cylinders with each single intermediate ‘V’ ring reacting to pressure to create an effective seal along the shaft. 

Vee packings are designed and available in a wide range of different material configurations and combinations in order to give best and most effective sealing results based and dependent upon different media and chemicals, temperaturespressures and surface speeds in any given specific application. 

Vee Packings/Chevron Sets

Material Options 

  • Nitrile / Cotton Fabric 
  • Fluorocarbon / Fabric 
  • HNBR / Aramid  
  • Butyl / Cotton Fabric 
  • Synthetic Rubber / Cotton Fabric 
  • Virgin PTFE 
  • 15 – 25% Glass Filled PTFE 
  • 15% Glass 5% Molybdenum Filled PTFE 
  • PTFE / Carbon 
  • PEEK 

Typical Applications 

  • Oil pipeline expansion glands 
  • Control and shutoff valves 
  • Plunger pumps 
  • Hydraulic Valves 
  • Measurement and control equipment 
  • Reciprocating steam, water, boiler feed and oil pumps 
  • Hot oil reciprocating pumps for refinery duties 
  • Agitators 
  • Hydraulic cylinder glands and piston heads 
  • Rotating axels 
  • Sludge pumps and swivels 
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