Edwards nEXT200200, Инструкция по эксплуатации

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3. Technical data
3.1 General technical data
Table 2
General data
General items Reference data
Performance Refer to Table: nEXT pumps technical data
on page 17 , and Figure: nEXT200200 main
inlet performance curve on page 19 ,
Figure: nEXT200200 side inlet
performance curve on page 19 , Figure:
nEXT 200200 NW25 interstage port
pumping speed on page 20 and Figure:
nEXT200200 dimensions (mm) on page 21 .
Dimensions Refer to Figure: nEXT200200 dimensions
(mm) on page 21 .
Maximum permitted external magnetic
field
5mT Radial
*
Pollution degree EN61010 Pollution degree 2
Equipment type Fixed equipment, for indoor use only
Enclosure protection (installed) IP40
*
Reduce gas load when operating in the magnetic field.
Table 3
nEXT pumps technical data
Parameter
nEXT200200D nEXT200200iD nEXT200200T nEXT200200iT
Mass 9.1 kg 9.1 kg 9.4 kg 9.4 kg
Inlet flange Refer to Figure: nEXT200200 main inlet performance curve
on page 19 .
Outlet flange DN25NW DN25NW DN25NW DN25NW
Vent port 1/8 inch BSPP
Purge port 1/8 inch BSPP
Interstage port n/a DN25NW n/a DN25NW
Booster port n/a n/a DN25NW DN25NW
Main inlet pumping speed
• N
2
200 l s 200 l s 200 l s 200 l s
• Ar
190 l s 190 l s 190 l s 190 l s
• He
185 l s 185 l s 185 l s 185 l s
• H
2
145 l s 145 l s 145 l/s 145 l s
Side inlet pumping speed
• N
2
165 l s 165 l s 165 l s 165 l s
• Ar
145 l s 145 l s 145 l s 145 l s
Page 17
B85200880_D - Technical data