Quickstart EN Instruction Manual

2 INSTALLATION
12
OPTIFLUX 5000
www.krohne.com 09/2011 - 7309862300 - QS OPTIFLUX 5000 SW R03 en
2.7 Mounting
2.7.1 Torques and pressure
Max. torque:
• Step 1: approx. 50% of max. torque
• Step 2: approx. 80% of max. torque
• Step 3: 100% of max. torque given in tables
EN 1092-1
ASME B 16.5
WARNING!
• Please use stainless steel A2 / 6.9 class bolts.
• Make sure the connecting flanges are of type raised face (RF).
Figure 2-15: Tighten the bolts in fixed order, see picture.
Nominal size
DN [mm]
Pressure rating Max. allowable operating pressure
[bar]
2.5...80 PN 40 40
100 PN 16 16
100 PN 25 25
Nominal size
[inch]
Pressure rating Max. allowable operating pressure
[psig]
1/10...4" 150 lb 230
1/10...3" 300 lb 580
.book Page 12 Monday, October 3, 2011 2:02 PM