For recommended bolt
tightening sequence for flanges, Click Here.
values shown applicable to "black" or "plated"
bolts and nuts used with integral
fluoropolymer coated bolts and nuts click here.
This API flange mates with a 10" 600 CLASS RTJ, ANSI B 16.5
flange. The resulting connection has a working pressure of 1440
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.
The difference in
stand-off between R and RX gaskets can cause alignment problems on
close coupled manifolding or pressure
controlling loops. Assembly designers specify component dimensions
which allow for the
difference in stand-off between flanges when choosing either R or RX
gaskets. When operators perform maintenance that involves
disassembly, trouble free reassembly requires using gaskets the
same as the gaskets originally chosen.
Information above, and in other
parts of this Web Site, may help persons who really seek to know. If you
have a question, or need a quote, please use our
Contact Us link and give us a
chance to help, and send WOODCO USA some business.
provides Web Site Tools for identification, estimating, and
reference only. Do not use this information for manufacturing or
inspection. Users of these tools should not use them as a
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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