Operation Manual

Appendix A Specifications
14 Appendix A Specifications
14.1 Flow ranges
Flow ranges in sl/min of air at ISO 1217: 20°C and 1000 mbar:
DN8 DN15 DN20 DN25
Size numbering* 0, 5 1, 6 2, 7 3, 8
Standard range (S) 250 1000 2000 3500
Low range (L) 50 200 400 700
* Indicates the last digit in the S 418 order number. For more
details, see the Order Table on the next page.
Flow ranges in sl/min of N
2
at 0°C and 1013.25 mbar:
DN8 DN15 DN20 DN25
Size numbering* 0, 5 1, 6 2, 7 3, 8
Standard range (S) 222 890 1780 3110
Low range (L) 44.5 178 356 622
Flow ranges in sl/min of O
2
at 0°C and 1013.25 mbar:
DN8 DN15 DN20 DN25
Size numbering* 0, 5 1, 6 2, 7 3, 8
Standard range (S) 238 953 1907 3337
Low range (L) 47.7 191 381 667
ATTENTION: Oil and grease free cleaning is required.
Tip: To determine measuring range for other gases, you can use our toll
“Flow range calculator” which is available for download on our Website.
S 418 23