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Sealing plug / thread adapter
D
D.1
Intended use of accessory part
The sealing plug and the thread adapter (components) can be used for installation in electrical
equipment of flameproof" "Ex d" type of protection of groups IIA, IIB, IIC as well as dust
protection by enclosure "Ex t" type of protection.
D.2
Safety instructions for accessory part
WARNING
Incorrect assembly
● The component can be damaged or destroyed or its functionality impaired through
incorrect assembly.
– Mount the component using a suitable tool. Refer to the information in Chapter
"Technical specifications of accessory part (Page 268)", for example, torques for
installation.
● For "Explosion-proof Ex d" type of protection: To ensure an engagement depth of 8 mm,
the enclosure must have a wall thickness of at least 10 mm.
Improper modifications
Danger to personnel, system and environment can result from modifications and repairs of the
component, particularly in hazardous areas.
● Any modification which deviates from the delivery state is not permitted.
Loss of enclosure type of protection
IP protection is not guaranteed without sealant.
● Use a suitable thread sealant.
● If you are using the component in type of protection dust protection by enclosure "Ex t", use
the supplied sealing ring (
①
, figure in Chapter "Dimensional drawings for accessory part
(Page 269)").
Unsuitable fluids in the environment
Danger of injury or damage to device.
Aggressive media in the environment can damage the sealing ring. Type of protection and
device protection may no longer be guaranteed.
● Make sure that the sealing material is suitable for the area of use.
SITRANS P320/P420 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E44852162-AC
267
Содержание SITRANS P
Страница 10: ...Table of contents SITRANS P320 P420 with 4 to 20 mA HART 10 Operating Instructions 11 2019 A5E44852162 AC ...
Страница 272: ...Abbreviations SITRANS P320 P420 with 4 to 20 mA HART 272 Operating Instructions 11 2019 A5E44852162 AC ...
Страница 280: ...Index SITRANS P320 P420 with 4 to 20 mA HART 280 Operating Instructions 11 2019 A5E44852162 AC ...