Siemens SITRANS T Series - Technical Specifications of Accessory Part

Note
Loss of type of protection
Changes in the ambient conditions can loosen the component.
• As part of the recommended maintenance intervals: Check the compression 󹪝tting for tight
󹪝t and tighten, if necessary.
D.3 Technical speci󹪝cations of accessory part
Technical speci󹪝cations sealing plug and thread adapter
Sealing plug suitable for types of protection Explosion-proof enclosure "d" of groups IIA, IIB, IIC
Dust protection by enclosure "t"
Standard compliance The components meet Directive 94/9. They meet the requirements of
standards IEC/EN 60079-0; IEC/EN 60079-1; IEC/EN 60079-31.
Explosion protection
• Gas explosion protection
II2G Ex d IIC
• Dust explosion protection
II1D Ex t IIIC
Certi󹪝cates IECEx TUN 13.0022 U
TÜV 13 ATEX 121710 U
Material for sealing plug / thread adapter Stainless steel
Material for seal Vulcanized 󹪝ber or Victor Reinz AFM 30
Ambient temperature range -40 ... +100 °C (-40 ... +212 °F)
For "Ex d" type of protection:
Required wall thickness for tappings 10 mm
Torque
• For thread size M20 x 1.5
65 Nm
• For thread size M25 x 1.5
95 Nm
• For thread size ½-14 NPT
65 Nm
Width A/F for thread size M20 x 1.5 27
Width A/F for thread size M25 x 1.5 30
Key size for thread size ½-14 NPT 10
Accessory part sealing plug / thread adapter
D.3 Technical speci󹪝cations of accessory part
SITRANS TH100/TH320/TH420/TR320/TR420/TF320/TF420 with 4 to 20 mA/HART
230 Operating Instructions, 05/2020, A5E41864807-AB