Siemens SITRANS F Series Operating Instructions Manual page 31

Flanges according to ANSI Class
Flanges and joints as well as related pressure/temperature (p/t) classification are described in
EN 1759-1.
● For steel group 1.1 ASTM A105, class 150: Table 16
● For steel group 1.1 ASTM A105, class 300: Table 1
No flange bolts or gaskets are supplied. Bolts must comply with EN 1515-2 and gaskets with
EN 1591-1.
Exposing the sensors to pressures or temperatures above the limits stated may cause
damage.
The sensor construction does not allow external action other than what is normal during
common mounting in the pipeline. Make allowance for earthquakes, action of the air etc.
SITRANS F US SONO 3300
Operating Instructions, 01/2010, SFIDK.PS.029.J4.02
WARNING
7.3 Permissible pressure and temperature
Technical data
31