WIKA TR12-A Mode D'emploi page 16

5. Commissioning, operation
5.4 Tightening torques
5.4.1 Tightening torques between cable gland and connection head (variant 1 + 2)
Junction between cable gland and connection head
■
EN
Thread
M20 x 1.5
½ NPT
Junction between cable and cable gland
■
Screw the pressure screw tightly into the adapter (use appropriate tools!)
5.4.2 Tightening torques for the thermometer
16
Tightening torques
12 Nm
T.F.F.T 2 - 3
1)
Connection head, selectable (example)
Tightening torques between connection head and neck tube
Thread
1/2 NPT
3/4 NPT
M20 x 1.5 with counter nut
M24 x 1.5 with counter nut
Tightening torques for connection to neck tube
Thread
R 1
Tightening torques for connection to thermowell
Thread
1/2 NPT
3/4 NPT
G 1/2 B
G 3/4 B
M14 x 1.5
M18 x 1.5
M20 x 1.5
M27 x 2
1) Turns from finger tight (T.F.F.T)
2) Only for versions with fabricated neck tube
WIKA operating instructions models TR12, TC12
Tightening torques
Connection head material
Aluminium Stainless steel
T.F.F.T 2 - 3 1) T.F.F.T 2 - 3
T.F.F.T 2 - 3 T.F.F.T 2 - 3
1)
23 Nm 25 Nm
2)
27 Nm 30 Nm
2)
Tightening torques
50 ... 60 Nm
Tightening torques
T.F.F.T 2 - 3
1)
T.F.F.T 2 - 3
1)
35 Nm
40 Nm
25 ... 30 Nm
35 Nm
35 ... 40 Nm
40 ... 45 Nm
1)
1)