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.

Repair Kit with Vanes - Buna, Welch, Duoseal, Part# 1402K-47

1402K-47
USD 339.00

This Welch Repair Kit with Vanes - Buna (Part# 1402K-47) is a precision-engineered package designed to facilitate comprehensive maintenance and restoration of Welch Duoseal vacuum pumps. Meticulously crafted, this kit includes essential components that play a crucial role in optimizing performance and extending the operational life of the vacuum pump.
Part Number Description Quantity Qty in stock
410624 Woodruff Key, Cut, Fisher Scientific, Welch, Part# 410624 2 105
310139 Shaft Seal, Buna, Welch, Duoseal, Part# 310139 1 2
410992 Pressure Relief Valve, Welch, Part# 410992 1 80
411304 Spring, Welch, Duoseal, Part# 411304 6 1638
411267 Rubber Washer, Welch, Duoseal, Part# 411267 2 141
410613 Woodruff Key, Cut, Welch, Chemstar, Duoseal, Part# 410613 2 85
412154 Lower Exhaust Valve, Steel, Welch, Part# 412154 1 18
410710 V-Belt, Welch, Duoseal, 1373, 1405, Part# 410710 1 10
410696 Spring Holder, Welch, Part# 410696 3 136
410959 Welch Vane, 1st Stage - Cast Iron, Part# 410959 2 0
4401200 Steel Ball, Welch, Duoseal, Chemstar, 1373, 1374, Part# 4401200 1 2429
410508 Thrust Washer- Welch, Chemstar, Duoseal, Part# 410508 1 196
590021 Machined Housing, Welch, DirecTorr, 8915A, 8920A, Part# 590021 1 134
02120004 O-ring, 6.1 x 1.6 mm - Buna, Part# 2120004 1 329
411487 Welch Vane, 2nd Stage - Cast Iron, Part# 411487 2 535
411266 Washer, Tension, Welch, Duoseal, Models 1373, 1374, 1376, 1397, 1398, 1399, 1400, 1402, 1405, Part# 411266 2 99
412158 Valve Spring, Welch, Chemstar, Duoseal, 1376N, 1376, Part# 412158 2 312
4060754 E-ring- Welch Chemstar, Duoseal, Part# 4060754 1 25
612231 O-ring, Shaped ring - Viton, Part# 612231 2 8
619284A O-ring, 24.99 x 3.53 mm - Viton, Part# 619284A 1 27
619282A O-ring, 7.65 x 1.78 mm - Viton, Part# 619282A 1 19
310035 Shaft Seal, Welch, DirecTorr, Part# 310035 1 69
400081 SHCS,10-32 X 3/4 LG 3 91
612159A O-ring, 18.72 x 2.62 mm - Viton, Part# 612159A 1 67
620118 O-ring, Shaped, 11 mm ID X 14 mm OD - Viton, Part# 620118 2 1
02126025 O-ring, 26.57 x 3.53 mm - Viton, Part# 02126025 1 41
79135 O-ring, 10.5 x 2 mm - Viton, Part# 79135 1 26
410403 Case Gasket, Welch, Duoseal, Part# 410403 1 151
412291 Gasket- Welch Duoseal, Part# 412291 1 37
410234 Gasket, Welch, Duoseal, Part# 410234 1 86
410643 Shaft Seal Gasket, Fisher Scientific, Part# 410643 1 85
411766 Disk Washer, Welch, Part# 411766 3 365
618456A Washer, Copper, Welch, Chemstar, Duoseal, Part# 618456A 6 114

General product classifications

Part Number Cross-Reference 23W-1402-VB
Compatible Brands Welch
Category Repair Kits
Subcategory Repair Kit
Weight 5.00
Country of origin US

Revitalize your Welch DUOSEAL Pump (Product Number 1402K-47) with our specialized Repair Kit featuring Vanes made from durable Buna material. This kit ensures seamless compatibility for efficient pump restoration, providing longevity and consistent performance. Trust in Precision Plus for reliable parts designed to fit your pump perfectly. Get your DUOSEAL back in optimal working condition with our Repair Kit featuring Buna Vanes.