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.
Major Repair Kit, Welch, DirecTorr, 8905, Part# 8905MRK
USD 302.00
Major Repair Kit is used on Welch DirecTorr pump model 8905.Major Repair Kit includes Gaskets, Shaft seals, Keys, O-rings, drip pads, Coupling, springs, Valves, washers and Vanes for major overhaul.
Added to Your Shopping Cart
You may also like...
| Part Number | Description | Quantity | Qty in stock |
|---|---|---|---|
| 612119A | Valve Spring, Fisher Scientific, Welch, Maxima, DirecTorr, Part# 612119A | 2 | 55 |
| 612118A | Gas Ballast Valve, Fisher Scientific, Welch, Maxima, DirecTorr, Part# 612118A | 2 | 11 |
| 611178A | Orifice, Brass, Fisher Scientific, Welch, Maxima, DirecTorr, Part# 611178A | 1 | 40 |
| 611128A | Backer Valve, Fisher Scientific, Welch, Maxima, DirecTorr, Part# 611128A | 1 | 20 |
| 611123A | Intake Valve, Fisher Scientific, Welch, Maxima, DirecTorr, Part# 611123A | 1 | 7 |
| 413175 | Washer Gasket, Nylon, Fisher Scientific, Welch, Part# 413175 | 1 | 20 |
| 412988 | Shaft Seal, 5/8", Welch Maxima, DirecTorr, M2C, M4C, Part# 412988 | 2 | 15 |
| 412694 | Spider Coupling, Buna, Fisher Scientific, Welch, Maxima, DirecTorr, Part# 412694 | 1 | 7 |
| 612109A | Vane, 1st Stage GX, Welch, DirecTorr, 8905, Part# 612109A | 2 | 0 |
| 612108A | Vane, 1st Stage - GX, Welch, DirecTorr, 8905, Part# 612108A | 2 | 2 |
| 612155A | O-ring, 21.95 x 1.78 mm - Viton, Part# 612155A | 1 | 96 |
| 612149B | Case Gasket, Fisher Scientific, Maxima, DirecTorr, M2C, M4C, Part# 612149B | 1 | 4 |
| 612139A | Anti - Suckback Valve, Fisher Scientific, Welch, Maxima, DirecTorr, Part# 612139A | 1 | 6 |
| 612128A | O-ring, 64.77 x 2.62 mm - Viton, Part# 612128A | 2 | 10 |
| 612123A | Rubber Foot, Push In, Welch, DirecTorr, Part# 612123A | 4 | 682 |
| 612172A | Tool, Aluminium, Welch, DirecTorr, Part# 612172A | 1 | 11 |
| 612231 | O-ring, Shaped ring - Viton, Part# 612231 | 1 | 15 |
| 619282A | O-ring, 7.65 x 1.78 mm - Viton, Part# 619282A | 1 | 31 |
| 619479A | Drip Pad, Felt, Welch, DirecTorr, Part# 619479A | 1 | 19 |
| 612157A | O-ring, 3.68 x 1.78 mm - Viton, Part# 612157A | 2 | 99 |
| 612158A | O-ring, 9.19 x 2.62 mm - Viton, Part# 612158A | 1 | 4 |
| 612159A | O-ring, 18.72 x 2.62 mm - Viton, Part# 612159A | 1 | 86 |
| 612170A | Insertion Tool, Nylon, Welch, DirecTorr, Part# 612170A | 1 | 11 |
General product classifications
| Part Number Cross-Reference | 23W-8905-V |
| Compatible Brands | Welch |
| Family | DirecTorr |
| Compatible Pump Models | 8905 |
| Category | Repair Kits |
| Subcategory | Major Kit |
| Country of origin | US |
| Manual page | WELCH-108 |
Revitalize your Welch DirecTorr pump with the Major Repair Kit (Product Number: 8905MRK) designed for the Old Style Welch 8905 model. This kit includes essential components for a thorough pump restoration, ensuring peak performance. Crafted for precision and durability, the repair kit offers seamless integration and optimal functionality. Effortlessly upgrade your pump and maintain its longevity with this high-quality solution. Keep your vacuum system running smoothly with the Major Repair Kit for the Welch DirecTorr 8905 (Old Style).