Loading Arm Quick Coupler/Disconnect Coupler

a)QC/DC clamps shall close during connecting operation and shall open during disconnecting operation. In the event of hydraulic or power failure, the QCDC shall remain securely fastened to the tanker manifold.

b)Aligning and centering devices shall be provided based on the sizes to which the coupler will meet. The coupler shall have a flange rating of class 150 RF according to ASME B 16.5. Coupling and uncoupling operations shall be from the control unit. The coupler shall be designed to hold a flange cover.

c)This cover shall be designed to support the static fluid pressure. Also a ½” NPS drain connection shall be provided on the cover. Lubrication of all moving parts shall be possible without dismantling the coupler. Positive indication shall be provided to enable the operator to ensure the coupler is properly locked after the connection to vessel manifold. It shall not be possible to release the QCDC while loading is in progress.

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