详情
Overview
The HT high throughput series is the pinnacle of our diffusion pump knowledge with technology aimed specifically at industrial users. Edwards diffusion pump is designed for all light and heavy duty industrial applications. The robust construction gives high pumping speed at high pressure. The cast and machined aluminium interior provides consistent performance, while the stainless steel body prevents corrosion and ensures process cleanliness. These pumps are designed to give a high throughput (pressure multiplied by pumping speed) at 4 × 10-3 mbar making them ideal for industrial processes that involve large quantities of gases.
Technical Data
|
Comparative pumping speed |
11580 ls-1 |
|
ISO pumping speed† |
|
|
Nitrogen |
6500 ls-1 |
|
Helium |
7200 ls-1 |
|
AVS pumping |
|
|
Nitrogen |
7220 ls-1 |
|
Helium |
8000 ls-1 |
|
Maximum throughput (nitrogen) |
18 mbar ls-1 |
|
|
13.5 Torr ls-1 |
|
Critical backing pressure (with DC704) |
1.4 mbar |
|
|
1 Torr |
|
Min backing pump displacement for max throughput |
94 m3h-1 |
|
|
55 ft3min-1 |
|
Recommended backing pump‡ |
GV80, GXS250, E2M175 |
|
Recommended fluid |
DC704 |
|
Fluid charge (dry) |
2400 ml / 2.5 qt |
|
Inlet/backing connection |
ANSI16/ANSI3 or |
|
|
ISO500/ISO100 |
|
Water connection |
3/4 inch NPT female |
|
Heater power |
9 kW / 12 hp |
|
Warm up time |
60 min |
|
Minimum cooling water flow at 25°C |
700 l h-1 / 3.1 US gal min-1 |
|
Pressure drop across cooling water supply |
1 bar / 14.5 psi |
|
Weight |
185 kg / 408 lbs |
† ISO speed and throughout data obtained with total pressure measurement. Partial pressure readings typically increase data by ~30%. ISO speed measurements are typically 10% less than AVS measurements for the same pump.
‡ These are given for guidance, please contact Edwards for a recommendation of pump combinations best suited to your application.
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