Data Sheet

Type 2000
5 | 26
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3. Control functions
CAUTION
Riskofdamageduetoburstingpipesandburstingequipmentwhentheowisabovetheseat.
In the case of liquid mediums, water hammer can occur causing pipes and the device to burst.
Do not use valves with ow above the seat for liquid mediums..
Control function (CF) Description
Flow direction below seat for liquids, steam and gases
2 (P)
1 (A)
CF:A,pneumaticallyoperatedon/ovalve
2/2way
Flow direction below seat
Normally closed by spring force

2 (P)
1 (B)
CF:B,pneumaticallyoperatedon/ovalve
2/2way
Flow direction below seat
Normally open by spring force

Flow direction above seat for steam and gases
2 (A)
1 (P)
CF:A,pneumaticallyoperatedon/ovalve
2/2way
Flow direction above seat
Normally closed by spring force

4. Approvals
Approvals Description
Food contact
Materials in contact with the medium conform to EC Regulation 1935/2004 (option)
Materials in contact with the medium conform to FDA (option)
Drinking water
Suitable for use with drinking water with medium temperature up to 85 °C according to KTW, W270
(option)
Oxygen
Suitable for use with gaseous oxygen with medium temperature up to 60 °C and operating pressure up to
20bar(g) (option)
Explosion proof
As category 2 device suitable for zone 1/21 and zone 2/22 (option)
ATEX:
II 2G Ex h IIC T4 Gb
II 2D Ex h IIIC T135 °C Db
IECEx:
Ex h IIC T4 Gb
Ex h IIIC T135 °C Db
Fuel gases
Approval according to the European Gas Appliance Regulation (EU) 2016/426, DVGW DIN EN 161 and
DIN EN 16678, Class A or Class D, suitable for medium temperature 0…60 °C,
ambient temperature - 10…140 °C and operating pressure 0…16bar(g) (option)
Safety requirements
Evaluation of functional safety according to IEC 61508 (on request)