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valves and accessories
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SERIES 7700
Butterfy Valve
Resistance to various chemicals, as a function of temperature °F (Fahrenheit)
NYLON COATING
Coating Condition after 18 months immersion
RESISTANCE
68°F 104°F 140°F 176°F
Alcohols
benzyl alcohol L P P P
butanol G*** L P
ethanol (pure) G*** G L
glycerine (pure) G G L P
glycol G G G P
methanol (pure) G*** L P
Chlorinated solvents
carbon tetrachloride P
methyl bromide G P
methyl chloride G P
perchloroethylene G G L
trichloroethane L P
trichloreothylene G L
Phenols
P P P P
Various Organic Compounds
anethole G
carbon disulphide G*** L** P
diacetone alcohol G G*** L P
dimethyl formamide G G L
ethylene chlorhydrin P P
ethylene oxide G G L P
furfurol G G*** L P
glucose G G G G
tetraethyl lead G
tetrahydrofurare G G L
Salts, esters, ethers
amyl acetate G G G L
butyl acetate G G G L
diethyl ether G
dioctylphosphate G G G L
dioctylphthalate G G G L
ethyl acetate G G G
fatty acid esters G G G G
methyl acetate G G G
methyl sulfate G L
tributylphosphaate G G G L
tricresylphosphate GG G G L
Various Products
beer G
cider G
crude petroleum G G G***
diesel fuel G G G***
fruit juices G G
fuel-oil G G G
greases G G G G
ground nut oil G G
high octane gasoline G G G***
kerosene (paraffn) G G G***
linseed cake G G G G
milk G G G G
mustard G
normal gasoline G G G***
oils G G G G
Legend
* = Slight Yellowing
** = Yellowing
*** = Swelling observed
G = Good
L = Limited
P = Poor
RESISTANCE
68°F 104°F 140°F 176°F
Various Products (cont’d.)
solutions or emulsions of D.D.T.
or lindane hudroxy-quinoline
(agricultural sprays)
G
soap solution G
stearin G G G
solvent naptha G G G***
natural gas G G
turpentine G G G***
vinegar G
wine G
Inorganic Acids
chromic acid (10%) P P P P
hydrochlorhic acid (1%) G L P P
hydrochlorhic acid (10%) G L P P
nitric acid (all concentrations) P P P P
phosphoric acid (50%) G L P P
sulphuric acid (1%) G L L P
sulphuric acid (10%) G L P P
sulphur trioxide L P P P
Other Inorganic products
agriculture sprays G G
bleach solutions L P P P
bromine P P
chlorine P P P P
fuorine P P P P
hydrogen G G G G
hydrogen peroxide (20 volumes) G L
mercury G G G G
oxygen G G L P
ozone L P P P
potassium permanganate (5%) P P
sea water G G G
soda water G G G G
sulphur G G
water G G G G
Aldehydes & Ketones
acetaldehyde G L P
acetone G G*** L P
benzaldehyde G L P
cyclohexanone G L P
formaldehyde (technical grade) G L P
methylethylketone (MEK) G G L P
methylethylketone (MIBK) G G L P
Hydrocarbons
acetylene G G G G
benzene G G*** L
butane G G G
cyclohexane G G G L
decaline G G G L
HFA (Forane®) G
hexane G G G
methane G G G
naphthalene G G G L
propane G G G
styrene G G***
RESISTANCE
68°F 104°F 140°F 176°F
Hydrocarbons (cont’d.)
tulene G G*** L L
xylene G G*** L L
Inorganic Bases
ammonium hydroxide (concentrated) G G G G
ammonia (liquid or gas) G G
lime-wash G G G
potassium hydroxide (50%) G L P P
sodium hydroxide (5%) G G L
sodium hydroxide (10%) G L L
sodium hydroxide (50%) G L P P
Organic acids & anhydrides
acetic acid L P P P
acetic anhydrie L P P P
citric acid G G L P
formic acid P P P P
lactic acid G G G L
oleic acid G G G L
oxalic acid G G L P
picric acid L P P P
tartaric acid (saturated solution) G G G L
uric acid G G G L
Inorganic Salts
alum G G G
aluminium sulphate G G G G
ammonium nitrate G G G
barium chloride G G G G
calcium arsenate (concentrated
solutions or slurries) G G G
calcium chloride G G G G
calcium sulphate G G L
copper sulphate G G G G
diammonium phosphate G G L
magnesium chloride (50%) G G G G
potassium ferrocyanide G G G
potassium nitrate G* L* P P
potassium sulphate G G G G
sodium carbonate G G L P
sodium chloride (saturated) G G G G
sodium silicate G G G
sodium sulphide G L L
trisodium phosphate G G G G
Organic bases
aniline (pure) L P P P
diethanolamine (20%) G G*** G*** L
pyridine (pure) L P P P
urea G G L L
GL-2.10