nEXT 400T HC CF160 Turbomolecular Pump 80W
nEXT 400T HC CF160 Turbomolecular Pump 80W nEXT400 Turbomolecular Pump nEXT Turbo Pumps EDWARDS Turbomolecular Pumps Kuala Lumpur (KL), Malaysia, Selangor, Sri Petaling Distributor, Supplier, Supply, Supplies | Glovac Sdn Bhd
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Overview:
The nEXT is a hybrid bearing compound turbomolecular pump. nEXT pumps combine our proven bearing technology (oil lubricated ceramic lower bearing with dry permanent magnetic upper bearing), an improved rotor design with a new molecular drag stage to deliver improved pumping speed and compression ratios, and user serviceability. They feature 24 V to 48 V d.c. sensor less motors with a built in drive that is fully compatible with our range of TAG and TIC controllers. They are available pre-set for either 80 W or 160 W maximum power, the former enabling use with our 100 W TIC controllers are also recommended for pumping Argon, but with a longer ramp time to full operating speed.

Features & Benefits:
• Value for money - exceptional pumping speeds and compression ratios 
• No unplanned downtime - field proven reliability in the most demanding environments 
• Easy integration - standard fit in many scientific instruments 
• Reliability for peace of mind - over 200,000 turbomolecular pumps installed 
• Low cost of ownership - end user serviceable

Technical Data:
Inlet flange DN160ISO-K, DN160CF
Outlet flange DN25NW
Pumping speed  
  N2 400 ls-1
  He 390 ls-1
  H2 325 ls-1
Compression ratio D / T  
  N2 >1 × 1011
  He 1 x 108  / >1 x 108
  H2 5 x 105 / 1 x 106
Ultimate pressure with RV backing pump ISO/CF <1 x 10-8 / <1 x 10-10 mbar
Recommended backing pump* RV12/nXDS10i
Vent port 1/8 inch BSP female
Purge port 1/8 inch BSP female
Max continuous inlet flow (Nitrogen)  
Water cooling (water at 15°C, ambient temp at 40°C) 105 sccm
Forced air cooled, 35 °C ambient 90 sccm
Pump rotational speed  
Nominal rotational speed 60000 rpm
Standby rotational speed Variable from 33000 to 60000 rpm (42000 rpm default)
Programmable power limit settings Variable from 50-200W (160W default)
Start time to 90% speed D / T  160 W 175s / 200s
Analogue outputs Pump rotational speed;
Power consumption; Pump temp; Controller temp
Cooling method# Forced air / water
Ambient air temp for forced air cooling 5 - 35°C
Min cooling water flow rate (water 15°C) 15 l h-1
Water temp range 10 - 20°C
Max inlet flange temp 70°C
Operating attitude Vertical and upright, through to 
Horizontal +/- 2°
Noise level at 1 metre <45 dB(A)
Max magnetic field pump can tolerate 5 mT
Recommended controller TIC200 turbo and instrument controller
Quiescent electrical power Typically 20 W

*  A smaller backing pump may be used depending on application. A suitable diaphragm pump with ultimate <5 mbar may also be used e.g. XDD1.
†  Above this inlet pressure, rotational speed drops to below nominal. 
#  Air and water cooling accessories must be ordered separately

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