2 tightening torques, 3 pressure-temperature-diagram, Tightening torques – Richter KKP/FU Series Ball Valves (ISO/DIN) User Manual
Page 4: Pressure-temperature-diagram, Series kk/f, kkp/f, kk/fu, kkp/fu
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