Mounting; Torques And Pressures Sandwich Versions - KROHNE OPTIFLUX 7300 Quick Start Manual

INSTALLATION
2

2.9 Mounting

2.9.1 Torques and pressures sandwich versions

WARNING!
Use stainless steel A2 / 6.9 class bolts.
•
Make sure the connecting flanges are of type raised face (RF).
•
Figure 2-18: Tighten the bolts in fixed order, see picture.
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
Nominal size
DN [mm]
ASME B 16.5
Nominal size
[inch]
14
Pressure rating
25...80
100
100
Pressure rating
1...4"
1...3"
www.krohne.com
Max. allowable operating pressure
PN 40
PN 16
PN 25
Max. allowable operating pressure
150 lb
300 lb
10/2020 - 4008325701 - QS OPTIFLUX 7300 R03 en
OPTIFLUX 7300
[bar]
[psig]
230
580
40
16
25