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Product Origin:China
Brand Name:zhengyu
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Description:Specifications: Inner surface: polished and grained (320-400) or sanded Outer surface: polished and grained (300~400 or 180 threaded filament) 1"-2" end surface rectangular deviation applies to ±1°, DN15-50 applies to ±0.5° and DN65-150 applies ±1°. The distance deviation between end surface is ±0.3mm Full numerically controlled inspection shall be applied to finished products