63
BE 57-660 Eclipse Model 700 Guided Wave Radar Transmitter
3.6.2 O-ring (Seal) Selection Chart
¿
M150 °C (+300 °F) for use on steam.
Code
O-Ring/Seal
Material
Max. Process
Temperature
Min. Process
Temperature
Max. Process
Pressure
Not Recommended For
Applications
Recommended for
Applications
0
Viton
®
GFLT
200 °C @ 16 bar
(400 °F @ 230 psi)
-40 °C
(-40 °F)
70 bar @ 20 °C
(1000 psi @
70 °F)
Ketones (MEK, acetone),
skydrol fluids, amines,
anhydrous ammonia, low
molecular weight esters
and ethers, hot hydrofluoric
or chlorosulfuric acids,
sour HCs
General purpose, ethylene
2
Kalrez
®
4079
200 °C @ 16 bar
(400 °F @ 232 psi)
-40 °C
(-40 °F)
70 bar @ 20 °C
(1000 psi @
70 °F)
Hot water/steam, hot
aliphatic amines, ethylene
oxide, propylene oxide
Inorganic and organic acids
(including hydro fluids and nitric),
aldehydes, ethylene, organic oils,
glycols, silicone oils, vinegar, sour
HCs
8
Simriz SZ485
(formerly
Aegis PF128)
¿
200 °C @ 16 bar
(400 °F @ 232 psi)
-20 °C
(-4 °F)
70 bar @ 20 °C
(1000 psi @
70 °F)
Black liquor, freon 43,
freon 75, galden, KEL-F
liquid, molten potassium,
molten sodium
Inorganic and organic acids
(including hydro fluids and nitric),
aldehydes, ethylene, organic oils,
glycols, silicone oils, vinegar,
sour HCs, steam, amines,
ethylene oxide, propylene oxide,
NACE applications
A
Kalrez
®
6375
200 °C @ 16 bar
(400 °F @ 232 psi)
-40 °C
(-40 °F)
70 bar @ 20 °C
(1000 psi @
70 °F)
Hot water/steam, hot
aliphatic amines
Inorganic and organic acids
(including hydro fluids and nitric),
aldehydes, ethylene, organic oils,
glycols, silicone oils, vinegar, sour
HCs. ethylene oxide, propylene
oxide
D or
N
Glass Ceramic
Alloy
450 °C @ 248 bar
(850 °F @ 3600 psi)
-195 °C
(-320 °F)
431 bar @
20 °C
(6250 psi @
70 °F)
Hot alkaline solutions HF
acid, media with ph>12,
direct exposure to
saturated steam
General high temperature/high
pressure applications,
hydrocarbons, full vacuum
(hermetic), ammonia, chlorine