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Major Repair Kit with Cast Iron Vanes & Mechanical Seal, Welch DuoSeal 1402/1405 (New Style)

1402PI/MS
USD 394.00

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 have a rectangular oil box and sight glass and 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 57
410403 Case Gasket, Welch, Duoseal, Part# 410403 1 69
410508 Thrust Washer- Welch, Chemstar, Duoseal, Part# 410508 1 217
410613 Woodruff Key, Cut, Welch, Chemstar, Duoseal, Part# 410613 2 159
410578 Shaft Seal, Metal Case, Welch, Duoseal, Chemstar, Part# 410578 1 188
410624 Woodruff Key, Cut, Fisher Scientific, Welch, Part# 410624 2 58
410713 V-Belt, Welch, Chemstar, Duoseal, 1376N, 1376, Part# 410713 1 26
410696 Spring Holder, Welch, Part# 410696 3 0
411266 Washer, Tension, Welch, Duoseal, Models 1373, 1374, 1376, 1397, 1398, 1399, 1400, 1402, 1405, Part# 411266 2 141
411267 Rubber Washer, Welch, Duoseal, Part# 411267 2 190
411304 Spring, Welch, Duoseal, Part# 411304 6 1812
411487 Welch Vane, 2nd Stage - Cast Iron, Part# 411487 2 588
411766 Disk Washer, Welch, Part# 411766 3 426
412153S Pressure Relief Valve - Welch, Chemstar, Duoseal, Part# 412153S 1 78
412154S Pressure Relief Valve, Welch, Chemstar, Duoseal, 1376N, 1376, Part# 412154S 1 163
412158 Valve Spring, Welch, Chemstar, Duoseal, 1376N, 1376, Part# 412158 2 364
410959 Welch Vane, 1st Stage - Cast Iron, Part# 410959 2 30
412291 Gasket- Welch Duoseal, Part# 412291 1 59
410643 Shaft Seal Gasket, Fisher Scientific, Part# 410643 1 184
1401D Welch Mechanical Shaft Seal with Screws, 0.750", Part# 1401D 1 27
410992 Pressure Relief Valve, Welch, Part# 410992 1 67
4401200 Steel Ball, Welch, Duoseal, Chemstar, 1373, 1374, Part# 4401200 1 2450

General product classifications

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