Edwards nXLi Series - Materials Exposed to Gases Pumped; Purge Gas Specification; Figure 9 Nxl200 I Performance Graph; Table 11 Purge Gas Specification

Figure 9
nXL200i performance graph
1. nXL200i
2. nXL200i in tr
ansient overload
protecon
3. Supply power (kW)
Materials exposed to gases pumped
The following materials and component types are exposed to the gases pumped:
• SG iron
• aluminium alloy
• steel
• PTFE (seals)
• Fluoroelastomer (seals)
Purge gas specicaon
Table 11
Purge gas specicaon
Specicaon Reference data
Purge gas Dry air, nitrogen, argon or other inert gases
Purge gas interface 8.0 mm tube compression ng
Maximum allowable purge gas supply
pressur
e
7 bar (gauge); 100 psig, 7 x 10
5
Pa
Minimum allowable purge gas supply
pressure
3.0 bar (gauge), 45 psig, 3 x 10
5
Pa
Minimum purity ISO 8573 solids class 1
Typical ow at 3.0 bar 4 slm
A770-10-880A - Technical Reference
Page 36