Skip to content Skip to navigation
Certain products may be subject to a tariff surcharge. Applicable surcharges can be calculated on the product page, in the shopping cart, or at checkout.

Minor Repair Kit with Lip Seal, Welch DuoSeal 1402/1405

1402S
USD 150.00

Used on Welch Duoseal 1402 and 1405 (New Style*) Belt Drive Rotary Vane Mechanical Vacuum Pump

For complete kit content details see bill of materials below

*Note: Newer 1405 pumps with rectangular oil boxes and sight glasses use the same parts and kits as the 1402 models. Please contact customer service if you have any questions about which part numbers to use.
Part Number Description Quantity Qty in stock
410234 Gasket, Welch, Duoseal, Part# 410234 1 86
410403 Case Gasket, Welch, Duoseal, Part# 410403 1 151
410578 Shaft Seal, Metal Case, Welch, Duoseal, Chemstar, Part# 410578 1 161
410696 Spring Holder, Welch, Part# 410696 3 136
410713 V-Belt, Welch, Chemstar, Duoseal, 1376N, 1376, Part# 410713 1 12
410992 Pressure Relief Valve, Welch, Part# 410992 1 80
411266 Washer, Tension, Welch, Duoseal, Models 1373, 1374, 1376, 1397, 1398, 1399, 1400, 1402, 1405, Part# 411266 2 99
411267 Rubber Washer, Welch, Duoseal, Part# 411267 2 141
411304 Spring, Welch, Duoseal, Part# 411304 6 1638
411401D-01 Shaft Seal Kit - 0.750", Welch, Part# 411401D-01 1 12
412153S Pressure Relief Valve - Welch, Chemstar, Duoseal, Part# 412153S 1 57
412154S Pressure Relief Valve, Welch, Chemstar, Duoseal, 1376N, 1376, Part# 412154S 1 142
412158 Valve Spring, Welch, Chemstar, Duoseal, 1376N, 1376, Part# 412158 2 312
412291 Gasket- Welch Duoseal, Part# 412291 1 37
4401200 Steel Ball, Welch, Duoseal, Chemstar, 1373, 1374, Part# 4401200 1 2429
410508 Thrust Washer- Welch, Chemstar, Duoseal, Part# 410508 1 196

General product classifications

Part Number Cross-Reference 23W-1402-V
Compatible Brands Welch
Family DuoSeal
Compatible Pump Models 1402
Category Repair Kits
Subcategory Secondary
Country of origin US
Manual page WELCH-104