beautypg.com

KROHNE OPTIMASS with MFC 300 EN User Manual

Page 17

background image

17

1

Temperature at centre of measuring tube

2

Time (hours)

Cooling: please consult KROHNE if cooling medium is to be used in the heating jacket.

Important:

Always heat the jacket to working temperature before flowing product in measuring tube.

Avoid the use of fluids that can cause crevice corrosion.

Although all the jacket materials are 316L, the outer cylinders are 304L (Optional 316L).

Connections should be made to ensure all air can be vented on liquid systems and all conden-
sate can be drained on steam systems.

Note :

The maximum heating medium pressure and temperature for heating jackets is 10 bar at
130°C or 145 psig at 266°F.

Heating Times (based on heating jacket operating at maximum temperature)

Liquid / Stteam heating jacket

The meter can be supplied with a heating jacket. This jacket is designed to minimise the differ-
ential stress across the meter where differences in temperature between outer cylinder and
measuring tube exist.

The connections to the heating jacket are NPT or Ermeto sockets.

It is recommended that reinforced flexible hoses be used to connect the heating jacket to the
heat source.

1

2

4

3

1 2 3 4

Connection Points