What does DN300-8.8 150Lb SO-RF mean?
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This post was last edited by qwl on 2017-7-12 at 15:35: DN300-8.8 150Lb SO-RF DN300 flange nominal diameter, -8.8? Pressure rating of 150 lbs per US standard. SO band face weld flange - RF raised face sealing type. DN350-10.0 300LbWN-RF DN350 flange nominal diameter -10.0 ? 300Lb ANSI pressure class, WN flange type with butt welding, RF face seal design
DN300-8.8: nominal diameter of the flange is DN300, wall thickness of the pipe is 8.8; pressure rating is 150Lb according to American standards. SO band face weld flange - RF raised face sealing type. DN350-10.0 300LbWN-RF: DN350 flange nominal diameter, 10.0; pipe wall thickness. Pressure rating per American standard: 300Lb. Flange type: butt-welded; sealing style: RF with raised surface