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cast iron fitting

Ken Meyer

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Swivel joint


Ball and socket joint

I believe its a compression type fitting.

Similar to a compression coupling fitting for 4" cast iron.


Looked kind of like this w/o the clamps?

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From Piping Handbook, 7th Edition

For river crossings, submarine lines, or other places where great flexibility is necessary,

ductile cast-iron pipe can be obtained with ball-and-socket joints of the mechanical-

gland types, as shown in Fig. A2.31. Provision is made for longitudinal expansion and

contraction, and a positive stop against disengagement of the joint is a feature of the

design. As much as 15o angular deflection can be accommodated without leakage. This

pipe is heavy enough to remain underwater where laid without requiring river

clamps or anchorage devices.

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27.01 KB

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