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Major Repair Kit with Cast Iron Vanes & Lip Seal, 1374PI
Major Repair Kit includes; all components of Minor Repair Kit (gaskets, washers & Viton shaft seals, v-belts, exhaust Valves & springs), plus Vanes (cast iron or phenolic) for major overhaul. Used on Pump Models 1374
General product classifications
| Brand | Welch |
| Family | DuoSeal |
| Pump models | 1374 |
| Category | Repair Kits |
| Subcategory | Primary Kit |
| Country of origin | US |
| Manual page | WELCH-105 |
| Part number alternatives | 23W-1374-VV |
| PART NUMBER | DESCRIPTION | QUANTITY |
|---|---|---|
| 412258 | Sleeve, Hardened | 1 |
| 618538A | Backer Valve | 1 |
| 4401200 | Steel Ball | 1 |
| 412259 | Coil Spring | 1 |
| 411489 | Spring Holder | 2 |
| 411490 | Woodruff Key, Cut | 2 |
| 411488 | Compression Spring | 4 |
| 411487 | Vane, 2nd Stage - Cast Iron | 2 |
| 411477 | Vane, 1st Stage - Cast Iron | 2 |
| 411401F-01 | Shaft Seal Kit, 1.00" | 1 |
| 411304 | Spring | 2 |
| 411267 | Washer, Rubber | 2 |
| 411266 | Washer, Tension | 2 |
| 411137 | Washer | 3 |
| 411056 | Washer | 4 |
| 410992 | Pressure Relief Valve | 1 |
| 410716 | V-Belt | 2 |
| 410696 | Spring Holder | 1 |
| 411495 | Intake Cover Gasket | 1 |
| 411496 | Case Gasket | 1 |
| 410055 | Spacer | 1 |
| 411507 | O-Ring,Buna,78.97 X 3.53 MM | 1 |
| 411508 | Valve Gasket | 1 |
| 411516 | Small Rotor Key | 1 |
| 412161 | Pressure Relief Valve | 1 |
| 412256 | Coil Spring | 1 |
| 412257 | Sleeve, Hardened | 1 |
| 618539A | Flapper Valve | 1 |
Major Repair Kit includes; all components of Minor Repair Kit (gaskets, washers & Viton shaft seals, v-belts, exhaust Valves & springs), plus Vanes (cast iron or phenolic) for major overhaul. Used on Pump Models 1374
General product classifications
| Brand | Welch |
| Family | DuoSeal |
| Pump models | 1374 |
| Category | Repair Kits |
| Subcategory | Primary Kit |
| Country of origin | US |
| Manual page | WELCH-105 |
| Part number alternatives | 23W-1374-VV |
| PART NUMBER | DESCRIPTION | QUANTITY |
|---|---|---|
| 412258 | Sleeve, Hardened | 1 |
| 618538A | Backer Valve | 1 |
| 4401200 | Steel Ball | 1 |
| 412259 | Coil Spring | 1 |
| 411489 | Spring Holder | 2 |
| 411490 | Woodruff Key, Cut | 2 |
| 411488 | Compression Spring | 4 |
| 411487 | Vane, 2nd Stage - Cast Iron | 2 |
| 411477 | Vane, 1st Stage - Cast Iron | 2 |
| 411401F-01 | Shaft Seal Kit, 1.00" | 1 |
| 411304 | Spring | 2 |
| 411267 | Washer, Rubber | 2 |
| 411266 | Washer, Tension | 2 |
| 411137 | Washer | 3 |
| 411056 | Washer | 4 |
| 410992 | Pressure Relief Valve | 1 |
| 410716 | V-Belt | 2 |
| 410696 | Spring Holder | 1 |
| 411495 | Intake Cover Gasket | 1 |
| 411496 | Case Gasket | 1 |
| 410055 | Spacer | 1 |
| 411507 | O-Ring,Buna,78.97 X 3.53 MM | 1 |
| 411508 | Valve Gasket | 1 |
| 411516 | Small Rotor Key | 1 |
| 412161 | Pressure Relief Valve | 1 |
| 412256 | Coil Spring | 1 |
| 412257 | Sleeve, Hardened | 1 |
| 618539A | Flapper Valve | 1 |