ESA70W-D

Customer Benefits

·	Optimal balanced booster pump to main pump ensures high pumping speed for H2 Best performance in H2 processes
·	Low media consumption relating to pumping speed Low Cost of Ownership
·	Dual voltage motor Cost savings in stock inventory
·	Pressure shock resistance Very robust
·	Compact pump size Easy integration in process tools

Technical Characteristics

·	Engineered for application in clean and light duty processes
·	3-lobe Roots main pump design preventing backstreaming of H2
·	Pressure shock resistant
·	Main pump with booster pump integrated into one housing
·	Intelligent control system incorporated
·	Pump safeguard system
·	Dual voltage motor for 200 V and 400 V operation
·	2-setpoint pressure switch available on demand as additional safety device for H2 pumping

Technical Data

Pumping speed (N2)

at 50 Hz

at 60 Hz

420 m3/h
(7,000 l/min)
504 m3/h
(8,400 l/min)

Ultimate pressure

at 50 Hz

at 60 Hz

2.7 x 10E-3 mbar
(0.27 Pa)
1.3 x 10E-3 mbar
(0.13 Pa)

Cooling water requirements

3.5 - 8 l/min

Nitrogen consumption

in clean processes

14 -16 slm
(24 - 27 Pa m3/sec)
2.1 slm

Voltages ranges

200-220 / 380-440 V

Motor power, installed

5.9 kW

Power at ultimate pressure

3.6 kW

Weight, approx.

380 kg

Sizes (LxWxH)

985 x 400 x 770 mm

Inlet flange size

DN 50 KF

Outlet flange size

DN 40 KF

Ordering Data

Product	Ordering No.	Typ
ESA70W-D	816-0070-D-000	Dry Vacuum Pump ESA70W-D, 208 V / 400 V