WIKA F-20 Betriebsanleitung Seite 6

Specifications
)
Pressure ranges * bar
Over pressure safety bar
Burst pressure bar
)
Pressure ranges * bar
Over pressure safety bar
Burst pressure bar
)
Pressure ranges * bar
Over pressure safety bar
Burst pressure bar
{Vacuum, gauge pressure, compound range, absolute pressure are
available}
1)
Only Model F-20
2)
For Model F-21: the value specified in the table applies only when sealing is realised
with the sealing ring underneath the hex. Otherwise max. 1500 bar applies.
Materials
Wetted parts
)
Model F-20 *
Model F-21
Case
Electrical connection with internal spring clip terminal; cross section max. 2.5 mm
Ground terminals internal for brass nickel-plated and
{stainless steel} and {stainless steel conduit} threaded connection
3)
Internal transmission fluid
3)
Not for F-20 with pressure ranges > 25 bar
Model .-20, .-21
0.1 0.16 0.25 0.4 0.6 1
1 1.5 2 2 4 5
2 2 2.4 2.4 4.8 6
2.5 4 6 10 16 25
10 17 35 35 80 50
12 20.5 42 42 96 96
60 100 160 250 400 600
120 200 320 500 800 1200
2)
550 800 1000 1200 1700 2400
(Other materials see WIKA diaphragm seal program)
Stainless steel
Stainless steel {Hastelloy C4}; O-ring: NBR {FPM/FKM}
Stainless steel
2
,
Synthetic oil {Halocarbon oil for oxygen applications}
{Listed by FDA for Food & Beverage}
1.6
10
12
40
80
400
1)
1000
1500
2)
3000