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Remark
1. NPS below 30K 50A applied by Raised Face Type Flange only
2. Dimension over 30K 65A and 40K, 63K facing gasket should be applied at KS B 1503 and JIS B 2220 Welding Neck Type or C type (socket welding flange)
3. Facing dimension for KS B 1503 and JIS B 2220 class over 30K applied to slip on type or B type (NPS 10~65A) will be follow as left table.