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Burkert Type 3239 User Manual

Page 9

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9

Technical data

6.3.1 allowable temperatures

ambient temperature for actuators:

material

temperature

PPS

Up to 130 °C (briefly up to 150 °C)

Stainless steel

Up to 130 °C (briefly up to 150 °C)

Gray cast iron

Up to 130 °C (briefly up to 150 °C)

Tab. 1: Ambient temperature for actuators

medium temperature for body:

Body material

temperature

Stainless steel

-10 ... +140 °C

PVC (see PT-Graph)

-10 ... +60 °C

PVDF (see PT-Graph)

-10 ... +120 °C

PP (see PT-Graph)

-10 ... +80 °C

Tab. 2: Medium temperature for body

medium temperature for diaphragms:

material

temperature

remarks

EPDM

-10 ... +130 °C Steam sterilization up to +150 °C

PTFE

FKM

-5 ... +130 °C

Dry up to +150 °C, otherwise only
briefly up to +150 °C

Tab. 3: Medium temperature for diaphragms

6.3.2

maximum permitted medium pressure

Permitted medium pressure depending on the medium temperature:

DN 15 - 65

10

8

6

4

2

20 40 60 80 100 120 140

PVC

PVDF

PP

Temperature [°C]

Medium pressure [bar]

Fig. 3: Graph of medium pressure / Medium temperature

english

Type 3232, 3233, 3233 K, 3234,

3235, 3239

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