40
TEMPERATURE - PRESSURE RATING FOR ECLIPSE PROBE SEAL
“O”-ring material max process min process max process not recommended for recommended for applications
temperature temperature pressure applications
Viton
®
200°C @ 16 bar -40 °C (-40 °F) 70 bar @ 20 °C ketones (MEK, acetone), skydrol fluids, general purpose, ethylene
GFLT (400 °F @ 230 psi) (1000 psi @ 70 °F) amines, anhydrous ammonia,
low molecular weight esters and ethers,
hot hydrofluoric or chlorosulfonic acids,
sour hydrocarbons
Neoprene
®
150 °C @ 20 bar -55 °C (-65 °F) 70 bar @ 20 °C phosphate ester fluids, refrigerants, high anline point
(300 °F @ 290 psi) (1000 psi @ 70 °F) ketones (MEK, acetone) petroleum oils,
silicate ester lubricants
EPDM 120 °C @14 bar -50 °C (-60 °F) 70 bar @ 20 °C petroleum oils, di-ester base acetone, MEK, skydrol fluids
(250 °F @ 200 psi) (1000 psi @ 70 °F) lubricant, steam
Kalrez®4079 200 °C @ 16 bar -40 °C (-40 °F) 70 bar @ 20 °C hot water/steam, hot aliphatic inorganic and organic acids (including
(400 °F @ 232 psi) (1000 psi @ 70 °F) amines, ethylene oxide, propylene hydro fluids and nitric), aldehydes,
oxide ethylene, organic oils, glycols, silicone
oils, vinegar, sour hydrocarbons
Chemraz®505 200 °C @ 14 bar -30 °C (-20 °F) 70 bar @ 20 °C acetaldehyde, ammonia + lithium inorganic and organic acids,
(400 °F @ 200 psi) (1000 psi @ 70 °F) metal solution, butyraldehyde, alkalines, ketones, esters, aldehydes,
di-water, freon, ethylene oxide, fuels
liquors, isobutyraldehyde
Buna-N 135 °C @ 22 bar -20 °C (-4 °F) 70 bar @ 20 °C halogenated hydrocarbons, nitro general purpose sealing, petroleum
(275 °F @ 320 psi) (1000 psi @ 70 °F) hydrocarbons, phosphate ester oils and fluids, cold water, silicone
hydraulic fluids, ketones (MEK, greases and oils, di-ester base
acetone), strong acids, ozone, lubricants, ethylene glycol base
automotive brake fluid fluids
Polyurethane 95 °C @29 bar -55 °C (-65 °F) 70 bar @ 20 °C acids, ketones, chlorinated hydraulic systems, petroleum
(200 °F @ 420 psi) (1000 psi @ 70 °F) hydrocarbons oils, hydrocarbon fuel, oxygen,
ozone
HSN 135 °C @ 22 bar -20 °C (-4 °F) 70 bar @ 20 °C halogenated hydrocarbons, nitro NACE applications
(Highly Saturated (275 °F @ 320 psi) (1000 psi @ 70 °F) hydrocarbons, phosphate ester
Nitrile) hydraulic fluids, ketones (MEK,
acetone), strong acids, ozone,
automotive brake fluid, steam
Aegis PF128
¡
200 °C @ 16 bar -20 °C (-4 °F) 70 bar @ 20 °C black liquor, freon 43, freon 75, inorganic and organic acids (including
(400 °F @ 232 psi) (1000 psi @ 70 °F) galden, KEL-F liquid, molten potassium, hydro fluids and nitric), aldehydes,
molten sodium ethylene, organic oils, glycols, silicone
oils, vinegar, sour hydrocarbons, steam,
amines, ethylene oxide, propylene oxide,
NACE applications
“O” RING SPECIFICATIONS¿– Not suited for Ammonia/Chlorine applications
¿
Valid for all GWR probe types, except 7MD, 7ML, 7MS, 7MJ, 7EK
¡
Max +150 °C (+300 °F) for use on steam.
Process temperature (°C)
Process pressure (bar)
7EK probes for max +260 °C
7EK probes for max +315 °C and conductive
liquids only
P
rocess temperature (°C)
Process pressure (bar)
7MH with Viton GF 'O'-rings
7MH with EPDM 'O'-rings