Technical specifications – Yokogawa Pneumatic Retractables RF20H User Manual
Page 19

IM 12B06K05-E-E
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8. Technical specifications
8.1 Standards
Pressure equipment directive
8.2 Material properties
RF20H (Extract 810 and 820)
Wetted components
Holder
metal
plastic
seals
RF20H
1.4404/316L
Alloy C22, 2.4602 PVDF
PEEK
EPDM / FPM / FFKM
Drive unit)
cylinder
cylinder extension
seals
RF20H
1.4404/316
PA66 GF30
EPDM
8.3 Cleaning ports
Thread
without gland
G
1
/
8
" (internal)
G¼" (internal)
thread with gland
NPT ¼" (internal)
Cleaning pressure
1 - 4 bar
8.4 Sensors
RF20H (Extract 810 and 820)
Gel filled sensor
l [mm]
d [mm]
PG
RF20H
225
12
13.5
Sensor filled with liquid with refill connection
l [mm]
d [mm]
PG
RF20H
280
12
13.5
8.5 Pneumatic equipment
Pneumatic tubes
ø - external ø - internal
for control air
6 mm
4 mm
for position reply 4 mm
2 mm
Compressed air
• Filtered 40µm, water- and oil free
• 4 - 6 bar
• no continuous air consumption!