O-Ring (C) Set for Stem for Type 57A butterfly valves (DN40-350) and Type 57L lug butterfly valves (DN80-250). Nominal sizes DN40 to DN350; part numbers by O-Ring EPDM, FKM, FKM-F, FKM-C, CSM, NBR.
| Type | O-Ring (C) Set for Stem |
| Applicable Valves | Type 57A butterfly valves (DN40-350) and Type 57L lug butterfly valves (DN80-250) |
| Size | DN 40, 50, 65, 80, 100, 125, 150, 200, 250, 300, 350 |
| O-Ring Material | EPDM, FKM, FKM-F, FKM-C, CSM, NBR |
| Part Numbers (O-Ring EPDM) | DN40 S57ORE040 / DN50 S57ORE050 / DN65 S57ORE065 / DN80 S57ORE080 / DN100 S57ORE100 / DN125 S57ORE125 / DN150 S57ORE150 / DN200 S57ORE200 / DN250 S57ORE250 / DN300 S57ORE300 / DN350 S57ORE350 |
| Part Numbers (O-Ring FKM) | DN40 S57ORV040 / DN50 S57ORV050 / DN65 S57ORV065 / DN80 S57ORV080 / DN100 S57ORV100 / DN125 S57ORV125 / DN150 S57ORV150 / DN200 S57ORV200 / DN250 S57ORV250 / DN300 S57ORV300 / DN350 S57ORV350 |
| Part Numbers (O-Ring FKM-F) | DN40 S57ORF040 / DN50 S57ORF050 / DN65 S57ORF065 / DN80 S57ORF080 / DN100 S57ORF100 / DN125 S57ORF125 / DN150 S57ORF150 / DN200 S57ORF200 / DN250 S57ORF250 / DN300 S57ORF300 / DN350 S57ORF350 |
| Part Numbers (O-Ring FKM-C) | DN40 S57ORC040 / DN50 S57ORC050 / DN65 S57ORC065 / DN80 S57ORC080 / DN100 S57ORC100 / DN125 S57ORC125 / DN150 S57ORC150 / DN200 S57ORC200 / DN250 S57ORC250 / DN300 S57ORC300 / DN350 S57ORC350 |
| Part Numbers (O-Ring CSM) | DN40 S57ORH040 / DN50 S57ORH050 / DN65 S57ORH065 / DN80 S57ORH080 / DN100 S57ORH100 / DN125 S57ORH125 / DN150 S57ORH150 / DN200 S57ORH200 / DN250 S57ORH250 / DN300 S57ORH300 / DN350 S57ORH350 |
| Part Numbers (O-Ring NBR) | DN40 S57ORN040 / DN50 S57ORN050 / DN65 S57ORN065 / DN80 S57ORN080 / DN100 S57ORN100 / DN125 S57ORN125 / DN150 S57ORN150 / DN200 S57ORN200 / DN250 S57ORN250 / DN300 S57ORN300 / DN350 S57ORN350 |