Figure 2.3 B   Photo

             FLANGE X STUDDED ADAPTER SPOOL

        (A) NOMINAL FLANGE CONNECTION

      (B) NOMINAL STUDDED CONNECTION

    Figure 2.3 D

            HUB X HUB ADAPTER SPOOL

          (A) NOMINAL CONNECTION

          (B) NOMINAL CONNECTION

2.4 Spools, Drilling  

WOODCO USA manufactures Drilling Spools in every size and pressure rating. Drilling spools usually have the same nominal end connections and the same nominal outlet connections.

WOODCO USA manufactures Drilling Spools with minimum overall height (OAL) and outlet extensions consistent with adequate clearance to accommodate studs, nuts, wrenches, and clamps where applicable. Buyers may specify any combination of end connections and outlet connections as well as overall height and outlet extension.

Refer to the figures on the following page for examples of Drilling Spool configurations:

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