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Welding neck flange, EN, type 11B, 1.4571, EN-1092 type 11 B1, PN25/40, DN 150 DN150 / 168.3 mm -
Welding neck flange, EN, type 11B, 1.4571, EN-1092 type 11 B1, PN40, DN 200 DN200 / 219.1 mm
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Welding neck flange, EN, type 11B, 1.4571, EN-1092 type 11 B1, PN40, DN 250 DN250 / 273.0 mm
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Welding neck flange, EN, type 11B, 1.4571, EN-1092 type 11 B1, PN40, DN 300 DN300 / 323.9 mm
