KROHNE OPTISWIRL 4070 Quickstart EN - Manual (Page 14)

2
INSTALLATION
14
OPTISWIRL 4070
www.krohne.com 06/2010 - 4000122102 - QS OPTISWIRL R04 en
2.4 Inlet and outlet runs
2.4.1 Minimum inlet runs
1 General inlet run without disturbing flow ≥ 20 DN
2 Behind a control valve ≥ 50 DN
3 After a pipe diameter reduction ≥ 20 DN
1 After a single bend 90° ≥ 20 DN
2 After a double bend 2x90° ≥ 30 DN
3 After a double three-dimensional bend 2x90° ≥ 40 DN
QS_OPTISWIRL4070_R04_en_122102_PRT.book Page 14 Monday, June 7, 2010 8:51 AM