Many 30" 500 Diverters have a 29-1/2" bore.
For recommended bolt
tightening sequence for flanges, Click Here.
have chosen to make 30" nominal diverters in 500 and 1000
psi working pressure ratings, but have chosen existing MSS
flanges rather than proposing new flanges.
with "R" ring grooves can connect and seal with either
R or RX
ring gaskets. RX gaskets increase the stand-off between flanges, and
studs shown in the illustration above have sufficient length to accommodate RX
gaskets in these connections. In some cases equipment design may
restrict clearance and shorter studs will increase convenience. For
information on these shorter stud lengths, see AWHEM document TR9501 at www.awhem.org/docs.htm.
To compare the difference in stand-off
when using R or RX gaskets click here.
Information above, and in other
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reference only. Do not use this information for manufacturing or
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substitute for professional engineering advice. Anyone making use of the information
presented does so at his own risk and assumes any and all liability resulting from such
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