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IECEx KIWA 19.0022X
Certificate No.:
Date of issue:
2019-10-10
EQUIPMENT:
Equipment and systems covered by this Certificate are as follows:
The Position Transmitter Type 4749 is mounted on control valves and converts the lifting or rotating movements of the valve drive into a
4-20 mA current signal.
The position transmitter enclosure is provided with a threaded cover and can be of aluminium or stainless steel.
Type of protection
Ex ia IIC
Ex ia IIIC
Ex db IIC
Ex tb IIIC
The Position Transmitter enclosure provides a degree of protection of IP66 in accordance with IEC 60529.
SPECIFIC CONDITIONS OF USE: YES as shown below:
- For the applicable ambient temperature range, refer to the Equipment section above;
- For Type of protection Ex db: The flameproof joints are not intended to be repaired;
- For Type of protection Ex tb and Ex ia IIIC: The equipment shall be installed and maintained such that hazards caused by electrostatic
discharge are excluded;
- For Type of protection Ex db, Ex tb and Ex ia IIIC: Heat resisting cables and cable glands, suitable for a temperature of at least 20 K
higher than the max. ambient temperature shall be used.
EB 4749 EN
T-class
Ambient temperature range
T6
-40 °C to +55 °C
T5
-40 °C to +70 °C
T4
-40 °C to +80 °C
T85 °C
-40 °C to +55 °C
T6
-55 °C to +65 °C
T5
-55 °C to +80 °C
T4
-55 °C to +85 °C
T80 °C
-55 °C to +65 °C
IECEx Certificate
of Conformity
Page 3 of 4
Issue No: 0
15-21
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