ANSI ASME B16.5 B16.47 Flanges Long Weld Necks Lwn Flange The long-neck butt welding flange is not easy to deform, has good sealing, and is widely used. It is suitable for pipelines with large fluctuations in ... Подробнее
FLANGE USE IN OIL.GAS,WATER AND SO ON , B16.5 ANSI CARBON STEEL ANSI B16.5, ASME B16.47 FLANGE Size range: 1/2" to 80" DN15 to DN2000 Design: welding neck, slip on, blind, socket welding, threaded, lap-joint ... Подробнее