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Quality and traceability

Date of listing: 2016-12-09

Quality and traceability


Quality and management

Quality policy: compliance legal customer satisfaction

Process control: raw materials selection of specific steel smelting, chemical composition, mechanical properties meet the standard requirements. Round nut after forging, heat treatment, nondestructive testing qualified after processing. The manufacturing process is strictly in accordance with the pressure piping components manufacturing conditions and requirements.

Traceability: each product has a production number only, the whole process traceability of raw materials, chemical composition, smelting furnace, incoming inspection, forging, heat treatment, NDT, machining, surface treatment, identification marking, product testing, packaging and delivery, installation and use of all aspects. Product files according to "solid volume rules" requirements preservation.

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2013 - 11 - 29
Structure and principleThe top nut assembly consists of round nuts and several top screws and a hard pad, which can be used directly to replace the traditional standard six angle nut. Screw it on the bolt, stud or threaded rod, shaft, the main screw bolt / stud nut placed on the hard flat pad. After the round nut is in place, the actual tightening of the bolt / stud will tighten the top screws aro...
2016 - 08 - 16
2016 - 08 - 16
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