nHT20

nHT20

ANSI

ISO

Inlet connection

20˝ ANSI

630 ISO-K

Backing connection

4˝ ANSI

160 ISO-K

Pumping speed*

l/s

10,000

Nitrogen <10^-4 mbar

Pumping speed Argon <10^-4 mbar

l/s

9,000

Pumping speed

l/s

17,000

Helium <10^-4 mbar

Gas Throughput

mbar l/s

17

Operating range

mbar

10^-1 to 10^-7

Ultimate pressure (Edwards 704)

mbar

< 5 x 10^-7

Critical backing pressure (Edwards 704)

mbar

5 x 10^-1

Heating power

kW

10.8

Heating cartridges

qty

9

Warm-up period

min

< 25

Weight

kg

210

Recommended oil

Edwards 704

Oil

l

5.5 - 7.0

Recommended holding pump

E2M80

Recommended backing pump

E2M175, EDS200