Product Description
Edwards E2S85 Two-Stage Rotary Vane Vacuum Pump
OEM part number: A35524950
Factory configuration: EU/US, 50/60 Hz, 3-phase
Call for pricing and availability. This factory configuration is quoted to order.
Overview
The Edwards E2S range is a simple, robust two-stage rotary-vane platform for medium-vacuum production duties. It balances fast pumpdown, vapor handling, low noise and straightforward maintenance in a compact air-cooled package.
| Pumping speed | Ultimate pressure | Connections | Sound / weight |
|---|---|---|---|
| 78 m³/h at 50 Hz; 94 m³/h at 60 Hz | 3 × 10⁻³ / 6 × 10⁻³ mbar | NW40 / NW25 | 100 kg / 220 lb; 60-62 dB(A) |
Configuration
| Field | This product |
|---|---|
| Edwards OEM part number | A35524950 |
| Model | E2S85 |
| Electrical / factory configuration | EU/US, 50/60 Hz, 3-phase |
| Pump preparation | Standard hydrocarbon oil |
| Purchase status | Call for pricing and availability |
Features
- Two-stage oil-sealed design for reliable medium- and high-vacuum performance.
- High pumping speed with strong vapor-handling capability.
- Air-cooled IE3 motor package with IP55 protection.
- Low operating noise for production and laboratory environments.
- Easy access for routine oil and filter service.
Technical Specifications
| Specification | Value |
|---|---|
| Peak pumping speed | 78 m³/h at 50 Hz; 94 m³/h at 60 Hz |
| Ultimate pressure, gas ballast closed / open | 3 × 10⁻³ / 6 × 10⁻³ mbar |
| Inlet / outlet | NW40 / NW25 |
| Water-vapor tolerance / capacity | 13 mbar; 0.73 kg/h at 50 Hz, 0.87 kg/h at 60 Hz |
| Motor power | 2.2 kW at 50 Hz; 2.6 kW at 60 Hz |
| Weight / typical sound level | 100 kg / 220 lb; 60-62 dB(A) |
| Oil capacity / enclosure | 5.5 L; IP55 |
| Recommended oil | Edwards Ultragrade Performance 70 |
Performance and electrical data vary by frequency and factory configuration. Confirm the part number and motor requirements before ordering.
Performance Curve
Available E2S85 Configurations
| Edwards part number | Electrical / factory configuration | Preparation | VPS price |
|---|---|---|---|
| A35524950 (this pump) | EU/US, 50/60 Hz, 3-phase | Standard hydrocarbon oil | Call |
Maintenance, Oil & Filters
| Maintenance item | Recommended product or resource | Part number / notes |
|---|---|---|
| Vacuum pump oil | Plus UG70 mineral oil, 1 L | PPUG70001 — Edwards Ultragrade 70 equivalent; verify required fill volume. |
| Repair / service kit | Confirm the E2S service kit | Provide the E2S model and pump serial number before ordering. |
| Filter | E2S oil filter, left-hand thread | Z6538377 |
| Resource Center | Edwards RV, E2M & E2S Resource Page | Kits, oil, filters, manuals and maintenance guidance. |
Applications
Vacuum drying, distillation, degassing, packaging, heat treatment, coating, research systems and general industrial vacuum.
Resources
Need help confirming the correct configuration?
Have the required voltage, phase, frequency and process details ready. We will help verify the Edwards part number.
Product Videos
Custom Field
GoogleCategory Business & Industrial > Manufacturing
