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Theory07/06/2008 | Administrator

ASME Flange Loading Calculation Theory The flange loading calculation method outlined below involves determining the effective pressure in the flange due to: External Moment. External Fo [ ... ]


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Valves

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Plug Valves - Overview
08/06/2008 | Administrator

Plug Valves - An Overview A plug valve is an on-off or a shut-off valve.  A plug valve is a quarter turn valve and is used where quick and frequent operation is essential. Conventional plug va [ ... ]


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Materials

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Nickel piping
08/06/2008 | Administrator

Nickel Piping Nickel is highly resistant to various reducing chemicals and is unexcelled in resistance to caustic alkalies. Nickel 200 (UNS N02200/W.Nr. 2.4060 & 2.4066) is commercially pure (99 [ ... ]


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Specials

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Access Fittings
07/06/2008 | Administrator

Access Fittings Access fittings are special fittings installed on piping and pipelines to facilitate insertion and removal of corrosion coupons, corrosion probes, chemical injection fittings, bioprob [ ... ]


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Stress

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Stress Critical Lines
07/06/2008 | Administrator

Stress Critical lines Flexibility as defined in the design codes is a measure of the ability of a piping system to absorb its own expansion and that of connected equipment to ensure that the loadings [ ... ]


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Gaskets M factor PDF Print E-mail
Written by Administrator   
Sunday, 08 June 2008 04:20

Gaskets - M factor

The initial compression force applied to a joint must serve several purposes.

  • It must be sufficient to initially seat the gasket and flow into the imperfections on the seating surfaces regardless of operating conditions.
  • Initial compression force must be great enough to compensate for the total hydrostatic end force that would be present during operating conditions.
  • It must be sufficient enough to maintain a residual load on the gasket/flange interface.

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Last Updated ( Saturday, 03 January 2009 22:35 )