15-2 EB 8048-2 EN
Annex
Table 15-4: Tightening torques for connec-
tion of valve body and bonnet
Valve size
Tightening torque for screws
(34) in Nm
DN NPS
6 to 25
(micro-
ow
valve)
¼ to 1
(micro-
ow
valve)
7
15 to 25 ½ to 1 16
32 to 50 1¼ to 2 40
Table 15-5: Tightening torque for connec-
tion of actuator stem and plug stem
Valve size Tightening torque for con-
nection of actuator stem and
plug stem (3) in Nm
DN NPS
6 to 50
¼ to 1
(micro-
ow
valve)
4
15.2 Tools
In addition to the standard tool, special tools
are required to assemble and remove some
parts. Contact SAMSON's After-sales Ser-
vice concerning the special tools required.
Contact our after-sales service.
Table 15-6: Tools
Valve size
Tool
Material
no.
Image
DN NPS
6 to 25
(micro-
ow
valve)
¼ to 1
(micro-
ow
valve)
Set of tools
consisting of
clamping
rings to
clamp the
plug stem in
a vise
1281-
0035
15 to
25
½ to 1
32 to
50
1¼ to 2
15.3 Lubricant
Exposure to hazardous substances poses a
serious risk to health.
Certain lubricants and cleaning agents are
classied as hazardous substances. These
substances have a special label and a mate-
rial safety data sheet (MSDS) issued by the
manufacturer.
Î Make sure that an MSDS is available for
any hazardous substance used. If neces-
sary, contact the manufacturer to obtain
an MSDS.
Î Inform yourself about the hazardous sub-
stances and their correct handling.
Table 15-7: Recommended lubricant
Application
Temperature
range in °C
Color
Micro-ow
valve version
Valves for
food
processing
–50 to +150 White 8150-9002
WARNING
!
WARNING
!
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