handtmann 491 - Process Integration, Mechanical; Process Integration, Electrical

Technical Data
29.06.2016
DOUBLE-SEAT VALVE (Type 491)
BA 049100.06 EN 13 / 34
Transport
4.1.1 Process Integration, Mechanical
Four standard housing executions are offered for the integration of the double-seat valves
in the piping system (standard execution in bold print). The other housing executions are
available on request.
03
Fig. 2: Form of execution
A Form II (e.g. execution 49101-II)
B Form X (e.g. execution 49104-X)
Note
In the housing form X the line-evens are moved by 90°; in the housing execution II these run
parallel to each other. The broad line in the symbol display indicates the upper line-even.
Order No. Execution X Order No. Execution II
49101
49102
49103
49104
4.1.2 Process Integration, Electrical
There are various control units available for the integration of the double-seat valves in
the automated production CIP process:
Types
Valve position
Control valves
BUS system
S
1/2
--
S0 /S0-A
1/2
0/1
ASI
S3 / S3-A
2
1
ASI
• Proximity switch for position (S)
• Control unit for position and function check (SO)
• Control unit for switching, position and function check (S3)
A
B