Edwards nHT20 - NEW
Edwards nHT20 Vapour Diffusion Vacuum Pump - NEW
Edwards nHT series diffusion pumps provide stable high throughput vacuum performance. Designed for optimum energy efficiency, flexibility and low maintenance, the nHT series is the ideal solution for a variety of demanding industrial applications.
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ANSI | ISO | |
Inlet | 20 in ANSI | 630 ISO-K |
Backing connection | 4 in ANSI | 160 ISO-K |
Pumping speed | ||
N2 | 10,000 l/s-1 | |
He | 17,000 l/s-1 | |
Ar | 9,000 l/s-1 | |
Gas Throughput | 17 mbar l/s | |
Operating range | 10-1 to 10-7 | |
Ultimate pressure (Edwards 704) | < 5 x 10-7 mbar | |
Critical backing pressure (Edwards 704) | 5 x 10-1 mbar | |
Heating power | 10.8 kW | |
Heating cartridges | 9 | |
Warm-up period | Less than 25 minutes | |
Weight | 210 kg | |
Recommended oil | Edwards 704 | |
Oil | 5.5 - 7.0 l | |
Recommended holding pump | E2M80 | |
Recommended backing pump | E2M175, EDS200 |
Need modifications to this item? PTB Sales' expert team of engineers can configure products to your specific needs. Please follow the above link, and fill out the quote form.
Edwards nHT20 Vapour Diffusion Vacuum Pump - NEW B31430400 / B314-30-400 nHT20 ANSI 380-415V, 230V B31432400 / B314-32-400 nHT20 ISO 380-415V, 230V B31430460 / B314-30-460 nHT20 ANSI 440-480V, 230V B31432460 / B314-32-460 nHT20 ISO 440-480V, 230V