Product Description
Edwards RV12 Major Repair Kit – 65201131RV12
Complete Vacuum Pump Repair Kit for Edwards RV12 Pumps
This major repair kit is designed to rebuild Edwards RV12 rotary vane vacuum pumps. Replacing vanes, seals, gaskets, valve components, coupling parts, springs, O-rings, and internal wear parts helps restore vacuum performance, reduce oil contamination, and extend pump life.
This replacement kit includes the critical wear components required for a full RV12 service and overhaul.
Kit Includes
Vanes & Internal Blade Components
| Part Number | Description | Qty |
|---|---|---|
| A20402528 | HV Blade, RV12, CX2 | 2 |
| A20402530 | LV Blade, RV8/RV12, CX2 | 2 |
| A20402500 | Oil Blade, RVP, CX2 | 1 |
Coupling & Drive Components
| Part Number | Description | Qty |
|---|---|---|
| A21071077 | Coupling Element, RV Pump | 1 |
| A25908127 | Oldham Coupling, RV3/5/8/12 | 1 |
| H02109125 | Outer Shaft Seal Spacer, RV | 1 |
| 27154-018 | Washer, Shoulder | 1 |
Valve & Control Components
| Part Number | Description | Qty |
|---|---|---|
| A65201005 | Air Bleed Assembly, RV | 1 |
| A25908123 | Exhaust Diaphragm, Viton, RVP | 1 |
| A25908129 | Oil Pressure Valve, RV | 1 |
| A25908226 | RV Dump Valve | 1 |
| A65201029 | RV Reed Valve | 1 |
| A26501039 | Valve Pad, Viton | 1 |
| A26501036 | Valve Pad, E2M1.5 / E2M18 Pump | 1 |
Springs
| Part Number | Description | Qty |
|---|---|---|
| 20525-048 | Spring, Ballast Control, ST/ST | 1 |
| 20525-047 | Spring, Dump Valve, RV | 2 |
| 20525-049 | Spring, Inlet Valve, ST/ST RVP | 1 |
Gaskets
| Part Number | Description | Qty |
|---|---|---|
| A27160005 | Oil Box Printed Gasket, RV | 1 |
| A27160006 | Printed Gasket, Cartridge, RV | 1 |
| A27160008 | Seal Carrier Gasket | 1 |
| H02109124 | Shaft Seal, BABSL 20 x 30 x 7, RV | 1 |
| 65201019 | Sheet, Ducting, Motor Gasket | 1 |
| A27160007 | Top Plate Gasket | 1 |
Seals & O-Rings
| Part Number | Description | Qty |
|---|---|---|
| H02109066 | Lip Seal, Viton, 25 x 35 x 7 | 1 |
| H02120037 | O-Ring | 1 |
| H02120036 | O-Ring, BS 4518 | 1 |
| 23724-073 | O-Ring, Nitrile, 21.5 ID x 3.0 Section | 3 |
| 23724-071 | O-Ring, Nitrile, Inlet Valve, RV | 1 |
| H02120077 | O-Ring, Rear Cover | 1 |
| H02122031 | O-Ring, Viton, 0096-24 | 1 |
| H02122083 | O-Ring, Viton, 695-30 | 1 |
| H02122055 | O-Ring, Viton, DP40/80 | 1 |
| 23724-070 | O-Ring, Nitrile, 32.5 ID x 3.0 | 1 |
| 23712-039 | O-Ring, Viton, 7.6 ID x 2.4 | 1 |
| H02126026 | O-Ring, Viton, 1.109 ID x .139 | 1 |
| A26501040 | U Seal, Viton | 1 |
Recommended Add-Ons
- Shaft Sleeve Kit: Add the Edwards 65201136 Shaft Sleeve Kit when servicing the RV shaft seal area.
- Vacuum Pump Oil: Replace oil after rebuild. Browse Vacuum Pump Oil & Fluids.
- Oil Cross Reference: Use the Vacuum Pump Oil Cross Reference Chart to compare Edwards oil options and VPS equivalents.
- RV Repair Parts: Browse Edwards RV Pumps Repair Parts and Kits.
- RV Maintenance Resources: Visit the Edwards RV Vacuum Pump Repair & Maintenance Center.
Compatible Pumps
- Edwards RV12
For best results, replace vacuum pump oil during rebuild and inspect the shaft sleeve, shaft seal area, coupling, valves, and gasket surfaces. Proper maintenance helps maintain vacuum performance, reduce oil mist, and extend service life on Edwards RV12 rotary vane vacuum pumps.