Richter PA/S Series Sampling Valves - Manual (Page 4)

Series PA/F, PA/S
Page 4
9510-060-en Revision 02
TM 7165 Edition 06/2008
1.1 Name plate, CE and body
markings
The stainless steel name plate is undetachably riveted
to the body.
If the operator attaches his identification, it must be
ensured that the valve matches the application in
question.
Example of name plate with CE marking:
No CE marking is permissible for the size 25; the
name plate therefore has no CE marking.
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.
The following tightening torques are recommended:
Pipe screws
Flange
nom. size
Screws
Tightening
torque
[mm] [ISO/DIN] [Nm]
25 4 x M12 10
40 4 x M16 20
50 4 x M16 26
Pipe screws, flanges ISO/DIN drilled to ASME
Class 150
Flange nom.
size
Screws Tightening torque
[mm] [inch] [ASME] [in-lbs] [Nm]
25 1" 4 x ½“ 70 8
40 1½" 4 x ½“ 135 15
50 2" 4 x K“ 220 25
Body screws
Nom. size Screws Tightening torque
[mm] [ISO/DIN] [Nm]
25 4 x M12 30
40 4 x M16 50
50 4 x M16 50
1.3 Flow rates
Nom. size
Ventildurch-
fluss
Probenahme bei
max. Ventilhub
kv100 [Cv]
[mm] [inch] [m 3 /h] [USgpm]
25 1" 15 [17.5]
40 1½" 47 [54.8]
50 2" 65 [75.7]
0,385
[0.448]
2,56
[2.98]
1.4 Pressure-temperature diagram