bending steel pipe

油をさされた処置ASME B16.5の平らな表面フランジ亜鉛はめっきした

ASME B16.5 Flat Face Flange Applications that require the use of flat face flanges are frequently those systems where the mating flanges or flanged fitting is produced from a casting. The ANSI B16.5 standard is limited to those flanges and their corresponding fittings which are generally made from cast or forged materials. An ASME B16.5 Flat Face Flange has a gasket surface in the same plane as the bolting circle face. The ANSI B16.5 Flat Face Flange Standards also includes