Comparison : |
Item # 26400WNSB, ASME B16.47 Class 400 Series B Welding Neck Flanges Item # 28400WNSB, ASME B16.47 Class 400 Series B Welding Neck Flanges Item # 30400WNSB, ASME B16.47 Class 400 Series B Welding Neck Flanges Item # 32400WNSB, ASME B16.47 Class 400 Series B Welding Neck Flanges Item # 34400WNSB, ASME B16.47 Class 400 Series B Welding Neck Flanges
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