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Quality
ZGV's Quality Assurance System is created to guarantee the consistent quality expected at an int'l level. ZGV achieves its quality requirements, in part, by performing its activities in accordance with their Quality Assurance System. ZGV employed a large number of CNC machines for most of valves fabrications.
All ZGV valves are produced by employing the best raw materials, carefully selected, correctly identified and analysed. The machining is carried out with the latest type equipment to the most up-to-date methods. All products from ZGV are constantly tested and inspected to ensure that related Int'l standards and tolerances are strictly complied with. Each piece valve from ZGV is well inspected before delivery covering Material Analysis, PMI, Hardness, Wall Thickness, and Hydraulic Tests. Moreover, Magnetism Particles, Fire Safe, Cryogenic, High Pressure Gas, Radio-graphic, Micrographic, Charpy Impact and Fugitive Emission Tests etc can be well-done by Vatac Upon Request.
