b31103415 - HT10 ISO320/ISO63, 415V

HT10 ISO320/ISO63, 415V

B31103415

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.

Technology

Industrial applications require robustly constructed vapor pumps often with very high throughputs. Edwards provides a range of vapor diffusion pumps and vapor booster pumps to meet these needs. All industrial diffusion pumps are water-cooled.

All Edwards diffusion pumps are fully fractionating. This means that volatile components are fed to the lower stages of the vapor pump and the vapor fed to the inlet stage is stripped of these fractions. This improves ultimate vacuum. Cooled baffles above the pump help to prevent pump fluid condensing on the pump walls, which would prevent the pump attaining its ultimate vacuum. Baffles will also minimize backstreaming.

The ultimate vacuum obtainable with a diffusion pump is dependent upon the parameters of the system under evacuation. The outgassing from the system, its leak tightness, the vapor pressure of the pump fluid and the number of joints and elastomers used all contribute to the achievable vacuum. Additionally, in most industrial applications, the pumps throughput at a particular pressure is more important than obtaining a very low pressure. For these reasons we have elected not to quote an ultimate vacuum for our HT series industrial vapor diffusion pumps since it would not be meaningful.

Applications

  • Vacuum metallurgy
  • Distillation, drying and degassing
  • Thin film coating and metallizing
  • Large-scale research

Features and Benefits

  • Highest throughput of comparative sized pumps

  • Earliest crossover pressure of similar sized pumps

  • Excellent maximum backing line pressure and tolerance to gas surges

  • Comparative pumping speed to similar sized pumps

  • Integral cold cap for best performance and low backstreaming

  • Self fractionating for low ultimate pressures

  • Easy change heater assembly


Technical Data

Comparative pumping speed 4650 ls-1
ISO pumping speed†
Nitrogen 3000 ls-1
Helium 4650 ls-1
AVS pumping
Nitrogen 3330 ls-1
Helium 5165 ls-1
Maximum throughput (nitrogen) 10 mbar ls-1

7.5 Torr ls-1
Critical backing pressure (with DC704) 1.1 mbar

0.8 Torr
Minimum backing pump displacement for maximum throughput 60 m3h-1

35 ft3min-1
Recommended backing pump‡ GV80, E2M80
Recommended fluid DC704
Fluid charge (dry) 1250 ml

1.3 qt
Inlet/backing connection ANSI10/ANSI12 or EO12 inch/EO130 mm or ISO320/ISO63
Water connection 3/8 inch NPT female
Heater power 5.1 kW

6.8 hp
Warm up time 30 min
Minimum cooling water flow at 25°C 400 l h-1

1.8 US gal min-1
Pressure drop across cooling water supply 1 bar

14.5 psi
Weight 80 kg

176 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.

Performance


1. Comparative pumping speeds from back to back testing
2. ISO pumping speed obtained using total pressure gauges
3. ISO throughput obtained using total pressure gauges

Dimensions

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