Owner's manual
Series KK/F, KKP/F, KK/FU, KKP/FU Page 4
9520-060-en Revision 02
TM 7692 Edition 11/2009
Body identification :
The following are visible on the body according to DIN
EN 19 and AD 2000 A4:
Nominal size
Rated pressure
Body material
Manufacturer's identification
Melt number/Foundry identification
Foundry date
1.2 Tightening torques
All screws greased, tighten in diametrically opposite
sequence!
The tightening torques for pipe screws and body
screws mentioned must not be exceeded. For an
exception, see Section 8
, Flange connection valve /
pipe is leaking.
Packing nut
DN Nm
25 10 Nm
40 - 80 15 Nm
100 20 Nm
150 20 Nm
Pipe screws for KK/F
The following tightening torques are recommended:
Flanges
nom. size
Operating
pressure
Screws
Tightening
torque
[mm] [PN] [ISO/DIN] [Nm]
25 16 4 x M12 10
40 16 4 x M16 20
50 16 4 x M16 26
65 16 4 x M16 40
80 16 8 x M16 25
100 16 8 x M16 35
150 10 8 x M20 65
Body screws for KK/FU (KHK)
Flanges
nom. size
Operating
pressure
Screws
Tightening
torque
[mm] [PN] [ISO/DIN] [Nm]
25 4 4 x M8 10
40 4 4 x M8 25
50 4 4 x M8 25
1.3 Pressure-temperature-diagram
For PFA-ball
For Al
2
O
3
- ball