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Product Gallery Major Repair Kit with Cast Iron Vanes & Mechanical Seal, 1373PI/MS

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Major Repair Kit with Cast Iron Vanes & Mechanical Seal, 1373PI/MS

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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 1373

General product classifications

Brand Welch 
Family DuoSeal 
Pump models 1373 
Category Repair Kits 
Subcategory Primary Kit 
Country of origin US 
Manual page WELCH-105 
Part number alternatives 23W-1373MS-V 
PART NUMBER DESCRIPTION QUANTITY QTY IN STOCK
4401200 Steel Ball 1 197
410643 Shaft Seal Gasket 1 351
1401D Mechanical Shaft Seal with Screws, 0.750" 1 136
411779 Upper Exhaust Valve 4 62
411768 Lower Exhaust Valve 4 0
411684 Vane, 2nd Stage - Cast Iron 2 32
411304 Spring 4 5254
411267 Washer, Rubber 2 90
411266 Washer, Tension 2 421
410710 V-Belt 1 11
410696 Spring Holder 2 0
410403 Case Gasket, Foam Rubber 1 57
410234 Gasket 1 143

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 1373

General product classifications

Brand Welch 
Family DuoSeal 
Pump models 1373 
Category Repair Kits 
Subcategory Primary Kit 
Country of origin US 
Manual page WELCH-105 
Part number alternatives 23W-1373MS-V 
PART NUMBER DESCRIPTION QUANTITY QTY IN STOCK
4401200 Steel Ball 1 197
410643 Shaft Seal Gasket 1 351
1401D Mechanical Shaft Seal with Screws, 0.750" 1 136
411779 Upper Exhaust Valve 4 62
411768 Lower Exhaust Valve 4 0
411684 Vane, 2nd Stage - Cast Iron 2 32
411304 Spring 4 5254
411267 Washer, Rubber 2 90
411266 Washer, Tension 2 421
410710 V-Belt 1 11
410696 Spring Holder 2 0
410403 Case Gasket, Foam Rubber 1 57
410234 Gasket 1 143

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