Figure 15-3.--Typical pipe fittings.
and temperatures. This flange is slipped onto the
Another type of union is the malleable iron
pipe end and fillet-welded in place.
flange union shown in view A of figure 15-6. This
union flange is intended for 150 psi steam lines, and
The Van Stone flange, shown in view H
is available in sizes up to 6 inches, galvanized or
of figure 15-6, is used in high-pressure steam
black.
lines that are subjected to high temperatures
a n d to expansion strains. It consists of a
The socket welded flange shown in view G of
regular
flanged
upper
portion
and
a
figure 15-6 is suitable for various services, pressures,
15-6