DOTS manufactures Adapter and drilling Spools in all sizes and pressure ratings. Adapter Spools have end connections that differ from one another in nominal size and/or pressure rating. Buyers may specify any combination of end connections as well as overall height or length (OAL). When specified “minimum height (or length)”,
DOTS Adapter Spools have minimum overall height (or length) consistent with adequate clearance to accommodate studs, nuts, wrenches, and clamps where applicable.