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Product Gallery Major Repair Kit with Cast Iron Vanes & Lip Seal, 1374PI

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Major Repair Kit with Cast Iron Vanes & Lip Seal, 1374PI

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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 QTY IN STOCK
412258 Sleeve, Hardened 1 170
618538A Backer Valve 1 194
4401200 Steel Ball 1 197
412259 Coil Spring 1 31
411489 Spring Holder 2 94
411490 Woodruff Key, Cut 2 96
411488 Compression Spring 4 189
411487 Vane, 2nd Stage - Cast Iron 2 363
411477 Vane, 1st Stage - Cast Iron 2 0
411401F-01 Shaft Seal Kit, 1.00" 1 16
411304 Spring 2 5254
411267 Washer, Rubber 2 90
411266 Washer, Tension 2 421
411137 Washer 3 191
411056 Washer 4 249
410992 Pressure Relief Valve 1 288
410716 V-Belt 2 11
410696 Spring Holder 1 0
411495 Intake Cover Gasket 1 86
411496 Case Gasket 1 44
410055 Spacer 1 24
411507 O-Ring,Buna,78.97 X 3.53 MM 1 336
411508 Valve Gasket 1 32
411516 Small Rotor Key 1 35
412161 Pressure Relief Valve 1 74
412256 Coil Spring 1 58
412257 Sleeve, Hardened 1 53
618539A Flapper Valve 1 67

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 QTY IN STOCK
412258 Sleeve, Hardened 1 170
618538A Backer Valve 1 194
4401200 Steel Ball 1 197
412259 Coil Spring 1 31
411489 Spring Holder 2 94
411490 Woodruff Key, Cut 2 96
411488 Compression Spring 4 189
411487 Vane, 2nd Stage - Cast Iron 2 363
411477 Vane, 1st Stage - Cast Iron 2 0
411401F-01 Shaft Seal Kit, 1.00" 1 16
411304 Spring 2 5254
411267 Washer, Rubber 2 90
411266 Washer, Tension 2 421
411137 Washer 3 191
411056 Washer 4 249
410992 Pressure Relief Valve 1 288
410716 V-Belt 2 11
410696 Spring Holder 1 0
411495 Intake Cover Gasket 1 86
411496 Case Gasket 1 44
410055 Spacer 1 24
411507 O-Ring,Buna,78.97 X 3.53 MM 1 336
411508 Valve Gasket 1 32
411516 Small Rotor Key 1 35
412161 Pressure Relief Valve 1 74
412256 Coil Spring 1 58
412257 Sleeve, Hardened 1 53
618539A Flapper Valve 1 67

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