Verification method of spiral welded pipe equipment
1. In order to ensure the quality of spiral welded pipe equipment and complete sets, the factory before the seller to conduct a rigorous inspection, testing and test run, to ensure that no sets, not qualified products can not be factory.
1. Inspection basis:
2.1 The technical requirements of the technical annex and related technical documents agreed upon by the buyers and sellers and the manufacturing drawings that meet the above documents are the basis for the inspection of the equipment.
2.2 Equipment in the introduction of the accessories and special materials, etc., to the production of the current effective standards as a test basis.
2. Inspection of the equipment at the factory.
3.1 equipment in the factory before the test is divided into Class A equipment inspection and Class B equipment inspection in two ways.
 Class A equipment inspection refers to the way in which the equipment is inspected by the purchaser and the seller at the factory.
 Class B equipment inspection means that the purchaser does not participate in the inspection of the equipment before the equipment is shipped.
3.2 Where the seller and the seller jointly agreed as a Class A inspection equipment, the factory before the seller in the self-inspection, notify the buyer inspection personnel to the equipment factory, with the B inspection personnel to inspect the equipment, test and test run.
3.3 The buyer inspectors in the A inspection period found that the equipment does not meet the requirements of the agreement and not set by the designated factory in accordance with Party A supporting equipment (or accessories) when the views, Party B should seriously consider the buyer's views, and the rapid use of appropriate measures for rectification.
3. Equipment out of the box inspection
4.1 After the equipment has arrived at the buyer's yard, the equipment shall be inspected at least at least 40 days after 30 days. The buyer shall notify the seller fifteen days before the inspection. The problems found in the inspection shall be settled in accordance with the relevant provisions of the agreement.