WIKA TR31 - Handbuch (Seite 19)

GB
WIKA operating instructions models TR31-3, TR31-K
14096788.01 07/2014 GB/D
19
Installation on pipes
a on elbows
b in smaller pipe, inclined
c perpendicular to flow direction
Insertion length A
Installation examples
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 Turns Max. pressure in bar
Stainless steel ferrule 1 ¼ ... 1 ½ 100
Stainless steel compression ring 1 ¼ ... 1 ½ 100
PTFE ferrule 1 ¼ ... 1 ½ 8
6.1.2 Tightening torque for M12 mating connector or M12 adapter
Choose a tightening torque of 0.6 Nm.
6. Commissioning, operation