WIKA TR31-3 Operating Instructions Manual page 19

6. Commissioning, operation
WARNING!
Neither repairs nor structural modifications are permitted,
and any would void the guarantee.
Installation examples
Insertion length A
For information on tapped holes, refer to DIN 3852 or for NPT threads to
ANSI B 1.20.
6.1.1 Tightening torques for compression fittings
Sealing
Stainless steel ferrule
Stainless steel compression ring
PTFE ferrule
6.1.2 Tightening torque for M12 mating connector or M12 adapter
Choose a tightening torque of 0.6 Nm.
WIKA operating instructions models TR31-3, TR31-K
Installation on pipes
a on elbows
b in smaller pipe, inclined
c perpendicular to flow direction
Turns Max. pressure in bar
1 ¼ ... 1 ½ 100
1 ¼ ... 1 ½ 100
1 ¼ ... 1 ½ 8
EN
19