§ 162.017-6 Procedure for approval.

(a) General. Applications for approval must be submitted to the Commanding Officer, U.S. Coast Guard Marine Safety Center. Applications may be submitted electronically, by mail or in-person. Mail or in-person submissions may be delivered to U.S. Coast Guard Stop 7430, 2703 Martin Luther King Jr. Avenue SE, Washington, DC 20593-7430. Information for submitting applications electronically can be found at https://www.uscg.mil/HQ/MSC. (b) Drawings and specifications. Manufacturers desiring approval of a new design or type of pressure-vacuum relief valve shall submit drawings showing the design of the valve, the sizes for which approval is requested, method of operation, thickness and material specification of component parts, diameter of seat opening and lift of discs, mesh and size of wire of flame screens. (c) Pre-approval tests. Before approval is granted, the manufacturer shall have tests conducted, or submit evidence that such tests have been conducted by a properly supervised and inspected test laboratory acceptable to the Commandant (CG-ENG), relative to determining the lift, relieving pressure and vacuum, and flow capacity of a representative sample of the pressure-vacuum relief valve in each size for which approval is desired. Test reports including flow capacity curves must be submitted to the Commanding Officer, USCG Marine Safety Center.