WIKA RTD Zusatzinformation Seite 10

3. Commissioning, operation
3.3.3 Tightening torques between cable gland and connection head
Junction between cable gland and connection head
■
Thread
M20 x 1.5
EN
½ NPT
Junction between cable and cable gland
■
Screw the pressure screw tightly into the adapter (use appropriate tools!)
3.3.4 Tightening torques between connection head and neck tube
Thread
½ NPT
¾ NPT
M24 x 1.5 with pressure screw
1) Only for versions with "nipple-union-nipple" neck tube
3.3.5 Tightening torques for connection to thermowell
Thread
½ NPT
¾ NPT
G ½ B
G ¾ B
M14 x 1.5
M18 x 1.5
M20 x 1.5
M27 x 2
10
Tightening torques in Nm
12
30
Tightening torques in Nm
Connection head material
Aluminium
32
36
27
1)
Tightening torques in Nm
35
40
35
40
25 ... 30
35
35 ... 40
40 ... 45
WIKA additional information RTD and TC, non-incendive equipment (Ex n)
Stainless steel
35
40
30