Sealing Plug / Thread Adapter; Intended Use Of Accessory Part; Safety Instructions For Accessory Part - Siemens SITRANS P Operating Instructions Manual

Sealing plug / thread adapter

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

Incorrect assembly
● The component can be damaged or destroyed or its functionality impaired through
● For "Explosion-proof Ex d" type of protection: To ensure an engagement depth of 8 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
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
WARNING
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.
the enclosure must have a wall thickness of at least 10 mm.
the supplied sealing ring (
(Page 269)").
①
, figure in Chapter "Dimensional drawings for accessory part
D
267