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

1402S/MS
USD 237.00
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 39
410403 Case Gasket, Welch, Duoseal, Part# 410403 1 39
410578 Shaft Seal, Metal Case, Welch, Duoseal, Chemstar, Part# 410578 1 225
410696 Spring Holder, Welch, Part# 410696 3 0
410713 V-Belt, Welch, Chemstar, Duoseal, 1376N, 1376, Part# 410713 1 19
411266 Washer, Tension, Welch, Duoseal, Models 1373, 1374, 1376, 1397, 1398, 1399, 1400, 1402, 1405, Part# 411266 2 203
411267 Rubber Washer, Welch, Duoseal, Part# 411267 2 67
411304 Spring, Welch, Duoseal, Part# 411304 6 479
412153S Pressure Relief Valve - Welch, Chemstar, Duoseal, Part# 412153S 1 63
412154S Pressure Relief Valve, Welch, Chemstar, Duoseal, 1376N, 1376, Part# 412154S 1 162
412291 Gasket- Welch Duoseal, Part# 412291 1 72
1401D Welch Mechanical Shaft Seal with Screws, 0.750", Part# 1401D 1 53
410643 Shaft Seal Gasket, Fisher Scientific, Part# 410643 1 54
410992 Pressure Relief Valve, Welch, Part# 410992 1 81
4401200 Steel Ball, Welch, Duoseal, Chemstar, 1373, 1374, Part# 4401200 1 2068
412158 Valve Spring, Welch, Chemstar, Duoseal, 1376N, 1376, Part# 412158 2 136
410508 Thrust Washer- Welch, Chemstar, Duoseal, Part# 410508 1 282

General product classifications

Part Number Cross-Reference 23W-1402MS
Manufacturer Precision Plus
Compatible Brands Welch
Family DuoSeal
Compatible Pump Models 1402
Category Repair Kits
Subcategory Minor Repair / Maintenance Kit
Country of origin US
Manual page WELCH-104