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| Parvin Trading > Quality Assurance | ||
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Quality Assurance : |
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Hub Dynamically balanced as per ISO 1940 (IS-11723) standard to grade 6,3
Hard bearing dynamic balancing machine with latest microprocessor controlled |
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| Deflection testing of individual FRP fan blades | ||
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| Blades under moment balancing for easy interchangeability with other blades in a fan set | ||