153
Dixon Sanitary 2014
800.789.1718
Safety & Overflow Valves
Pneumatic Overflow Valves - Technical Information
Material:
•
product contact: 1.4404/AISI316L
•
optional: 1.4435/AISI316L
•
non product contact: 1.4301/AISI304
Seals:
•
Hygeniec EPDM O-rings
•
Aseptic PTFE Bellows
Temperatures:
•
maximum standard operating temperature EPDM: 130 °C
(266
°F)
•
maximum standard operating temperature PTFE: 121 °C
(250
°F)
•
sterilization temperature EPDM: 150 °C (300 °F) short time*
(
approx. 20 min)
•
sterilization temperature PTFE: 135 °C (275 °F) short time*
(
approx. 20 min)
Set Range:
•
possible set pressure for O-ring version: 0.5 to 6 bar
(8
PSI
to 87 PSI)
1.5
to 6 bar
(22
PSI to 87 PSI)
•
PTFE-bellows version pressure range depends on spring
control air pressure: min 6 bar - max 10 bar (min.
87
PSI
-
max
145
PSI
)
Surfaces:
•
product contact optional: R
a
<= 0.8 µm electro polished
•
non product contact: R
a
=1.6 µm
Standard Connections:
•
O.D.-Tube (DIN 11866 C) weld optional connections on
request
*
dependent on operating conditions
Technical Data
Applications:
•
Valve opens when the set pressure is reached to prevent
excess pressure in piping or systems. They are suitable for
liquids, steam and gas.
Features:
•
valve body made from solid bar
•
no dead spaces
•
drainable when mounted in various positions
•
high-grade inner surfaces
•
no sump, no dome
•
clamp union between valve body and actuator
•
easily and perfectly cleanable
•
modular assembly system – easy change between hygienic
and aseptic type
•
standards seals
•
spare parts out of right angle program
Contact Dixon Sanitary Engineering Department for all inquiries.
I