Thread adapter Ex d, M25 x 1.5 on M20 x 1.5 and
M25 x 1.5 on ½-14 NPT, dimensions in mm
①
Sealing ring: Use for dust protection "Ex t" type of
protection.
Sealing plug Ex d ½ -14 NPT
Accessory part sealing plug / thread adapter
D.4 Dimensional drawings of accessory part
SITRANS TH100/TH320/TH420/TR320/TR420/TF320/TF420 with 4 to 20 mA/HART
232
Operating Instructions, 05/2020, A5E41864807-AB