Stainless Steel 403 Stem Set for Type 57A butterfly valves (DN40-350) and Type 57L lug butterfly valves (DN80-250). Nominal sizes DN40 to DN350; part numbers by Stem SS403; O-Ring EPDM, FKM, FKM-F, FKM-C, CSM, NBR.
| Type | Stainless Steel 403 Stem Set |
| 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 |
| Stem Material | SS403 |
| O-Ring Material | EPDM, FKM, FKM-F, FKM-C, CSM, NBR |
| Part Numbers (Stem SS403, O-Ring EPDM) | DN40 S57MSE040 / DN50 S57MSE050 / DN65 S57MSE065 / DN80 S57MSE080 / DN100 S57MSE100 / DN125 S57MSE125 / DN150 S57MSE150 / DN200 S57MSE200 / DN250 S57MSE250 / DN300 S57MSE300 / DN350 S57MSE350 |
| Part Numbers (Stem SS403, O-Ring FKM) | DN40 S57MSV040 / DN50 S57MSV050 / DN65 S57MSV065 / DN80 S57MSV080 / DN100 S57MSV100 / DN125 S57MSV125 / DN150 S57MSV150 / DN200 S57MSV200 / DN250 S57MSV250 / DN300 S57MSV300 / DN350 S57MSV350 |
| Part Numbers (Stem SS403, O-Ring FKM-F) | DN40 S57MSF040 / DN50 S57MSF050 / DN65 S57MSF065 / DN80 S57MSF080 / DN100 S57MSF100 / DN125 S57MSF125 / DN150 S57MSF150 / DN200 S57MSF200 / DN250 S57MSF250 / DN300 S57MSF300 / DN350 S57MSF350 |
| Part Numbers (Stem SS403, O-Ring FKM-C) | DN40 S57MSC040 / DN50 S57MSC050 / DN65 S57MSC065 / DN80 S57MSC080 / DN100 S57MSC100 / DN125 S57MSC125 / DN150 S57MSC150 / DN200 S57MSC200 / DN250 S57MSC250 / DN300 S57MSC300 / DN350 S57MSC350 |
| Part Numbers (Stem SS403, O-Ring CSM) | DN40 S57MSH040 / DN50 S57MSH050 / DN65 S57MSH065 / DN80 S57MSH080 / DN100 S57MSH100 / DN125 S57MSH125 / DN150 S57MSH150 / DN200 S57MSH200 / DN250 S57MSH250 / DN300 S57MSH300 / DN350 S57MSH350 |
| Part Numbers (Stem SS403, O-Ring NBR) | DN40 S57MSN040 / DN50 S57MSN050 / DN65 S57MSN065 / DN80 S57MSN080 / DN100 S57MSN100 / DN125 S57MSN125 / DN150 S57MSN150 / DN200 S57MSN200 / DN250 S57MSN250 / DN300 S57MSN300 / DN350 S57MSN350 |