Dubuisson Filtration

http://dubuisson-filtration.fr/

Guide de Compatibilité Chimique (AIRPEL)

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Body Material
Nom Chimique
Symbole Chimique
CI

WB
CS

SS
GM
HAZARD
Remarques
I

Isobutane
(CH3)2CHCH3
+
+
+
+
+
G1

Isocyanate

+

+
+

2
Viton 'O' rings
Isopropanol

See Isopropyl alcohol
Isopropyl alcohol (IPA)
(CH3)2CHOH
+
+
+
+
+
(1)
Viton or EP seals.
J

Jet A1 DERD 2494

+

+
+

1
Viton. No brass. SS or CS usually preferred.

+
+
+
+
+
1
Nitrile 'O' rings (Viton also satisfactory except for JPX) SS or CS usually preferred.
K

Kaolin

See clay slurries
Kerosene

+
+
+
+
+
1(37)

Ketchup

+

2
CS or CI could be used, but not normally acceptable for food products. See notes 1 & 2.
Ketones

+
+
+
+
+
1
Generally EP 'O' rings (but in exceptional circumstances PTFE may be required)
L
Lactic Acid
CH3CHOHCOOH

+

2
Special cocks required in dual filters. Pitting may occur at high temperatures. Elements may deteriorate!
Lager

See Beer.
Lead Acetate
Pb(C2H3O2)2

+

(1)
EP 'O' seals. Special cocks required in Dual filters.
Lime Slurries (Lime water)

See Calcium hydroxide
Lime Sulphur

+

(1)
EP 'O' rings.
Linoleic Acid

+

2
Nitrile or Viton 'O' seals could be used with some swelling, otherwise use encapsulated seals.
Linseed Oil (Raw)

+
+
+
+
+
2

Lithium Chloride or Bromide
LiCl or LiBr

+

2
Stainless steel single or Y-type filters could be used but some deterioration can be expected especially at high concentrations & temperatures. Monel elements preferred. Viton 'O' seals.
Liquefied Petroleum gas LPG

+

+
+
+
G1
OV & Y-Type filters only. (Liquefied gas)
Lye

2
See potassium hydroxide or/and sodium hydroxide.
M
Magnesium Chloride
MgCl2

+
(1)
Nothing suitable at high concentrations/high temperatures.
Magnesium Hydroxide
Mg(OH)2
+
+
+
+
+
2
Viton or EP 'O' rings. See Note 1 & 2. Stainless steel usually preferred.
Magnesium Sulphate
MgSO4
+
+
+
+
+
2
See Note 1 & 2. Special cocks recommended in Dual filters.
Maleic Acid
HOOCCH:CHCOOH
+
+
+
1
See notes 1 & 2. Viton 'O' seals. Dual filters not recommended.
Malic Acid
COOHCH2CH(OH)COOH

+
2
See notes 1 & 2. Dual filters not recommended.
Malt Beverages

+
2
Could use WB or GM but SS usually preferred. Check sterilisation requirements!
Manganese Sulphate
MnSO4
+
+
+
+
2
See note 1 & 2.
Mayonnaise

+
2
Could use other materials, but SS usually preferred (foodstuff). Check sterilisation requirements!
MEA (Monoethanolamine)
HOCH2CH2NH2
+
+
+
+
2
Encapsulated 'O' seals. Stainless steel usually preferred.
Methanol

See Methyl alcohol
Methyl Alcohol (Methanol)
CH3OH
+
+
+
+
+
1
EP or Nitrile 'O' rings
Methyl Cellosolve

+
+
2
Encapsulated 'O' seals (Viton or nitrile could be used with some deterioration)
Methyl Chloride
CH3Cl
+
+
+
+
+
1
Viton 'O' rings. Corrosion will occur if fluid is 'wet'. Cautious use of Dual filters. Use no zinc or aluminium.
Methylated Spirit

+
+
+
+
+
Nitrile or EP 'O' rings.
Methyl Ethyl Ketone (MEK)
CH3COCH2CH3
+
+
+
+
+
1
EP 'O' rings
Methyl Isobutyl Ketone
(CH3)2COCH3
+
+
+
1
PFA encapsulated 'O' seals.
Methyl Methacrylate
CH2:C(CH3)COOCH3

+
1
PFA encapsulated 'O' rings. Special cocks in Dual filters
Milk

+
2
Could use WB or GM (or CI or CS for OV or scf) but SS preferred. Check sterilisation requirements!
Mineral Waters

+
2
Other materials could be used but unlikely to be acceptable. See notes 1 & 2.
Molasses

+
+
+
+
+
2
SS preferred. See Note 1 & 2.
Monochlorabenzene
C6H5Cl

See Chlorobenzene
MTBE
(CH3)3COCH3
+
+
+
1
PFA encapsulated seals
N
Naphtha

+
+
+
1
Viton 'O' rings. Cautious use of CI & CS if sulphur is present. WB & GM could be used on some grades.
Naphthalene
C10H8
+
+
+
+
+
(1)
Viton seals. Naphthalene is a solid - check compatibility with solvent.
Nitrobenzene
C6H5NO2

+
1
PFA encapsulated 'O' seals. (Viton could be used but some deterioration may be expected)
Niter cake

See Sodium bisulphate
Nitric Acid
HNO3

+
(1)
OV only. (Special cocks could be used in OW filters at low concentrations)
Nitrogen
N2
+
+
+
+
G2
OV or Y-type filters only.

		Body Material
Nom Chimique	Symbole Chimique	CI	WB	CS	SS	GM	HAZARD	Remarques
I
Isobutane	(CH3)2CHCH3	+	+	+	+	+	G1
Isocyanate		+		+	+		2	Viton 'O' rings
Isopropanol								See Isopropyl alcohol
Isopropyl alcohol (IPA)	(CH3)2CHOH	+	+	+	+	+	(1)	Viton or EP seals.
J
Jet A1 DERD 2494		+		+	+		1	Viton. No brass. SS or CS usually preferred.
	+	+	+	+	+	1	Nitrile 'O' rings (Viton also satisfactory except for JPX) SS or CS usually preferred.
K
Kaolin								See clay slurries
Kerosene		+	+	+	+	+	1(37)
Ketchup				+		2	CS or CI could be used, but not normally acceptable for food products. See notes 1 & 2.
Ketones		+	+	+	+	+	1	Generally EP 'O' rings (but in exceptional circumstances PTFE may be required)
L
Lactic Acid	CH3CHOHCOOH				+		2	Special cocks required in dual filters. Pitting may occur at high temperatures. Elements may deteriorate!
Lager							See Beer.
Lead Acetate	Pb(C2H3O2)2				+		(1)	EP 'O' seals. Special cocks required in Dual filters.
Lime Slurries (Lime water)								See Calcium hydroxide
Lime Sulphur					+		(1)	EP 'O' rings.
Linoleic Acid					+		2	Nitrile or Viton 'O' seals could be used with some swelling, otherwise use encapsulated seals.
Linseed Oil (Raw)		+	+	+	+	+	2
Lithium Chloride or Bromide	LiCl or LiBr				+		2	Stainless steel single or Y-type filters could be used but some deterioration can be expected especially at high concentrations & temperatures. Monel elements preferred. Viton 'O' seals.
Liquefied Petroleum gas LPG		+		+	+	+	G1	OV & Y-Type filters only. (Liquefied gas)
Lye							2	See potassium hydroxide or/and sodium hydroxide.
M
Magnesium Chloride	MgCl2				+		(1)	Nothing suitable at high concentrations/high temperatures.
Magnesium Hydroxide	Mg(OH)2	+	+	+	+	+	2	Viton or EP 'O' rings. See Note 1 & 2. Stainless steel usually preferred.
Magnesium Sulphate	MgSO4	+	+	+	+	+	2	See Note 1 & 2. Special cocks recommended in Dual filters.
Maleic Acid	HOOCCH:CHCOOH	+			+	+	1	See notes 1 & 2. Viton 'O' seals. Dual filters not recommended.
Malic Acid	COOHCH2CH(OH)COOH				+		2	See notes 1 & 2. Dual filters not recommended.
Malt Beverages					+		2	Could use WB or GM but SS usually preferred. Check sterilisation requirements!
Manganese Sulphate	MnSO4	+	+		+	+	2	See note 1 & 2.
Mayonnaise					+		2	Could use other materials, but SS usually preferred (foodstuff). Check sterilisation requirements!
MEA (Monoethanolamine)	HOCH2CH2NH2	+	+		+	+	2	Encapsulated 'O' seals. Stainless steel usually preferred.
Methanol								See Methyl alcohol
Methyl Alcohol (Methanol)	CH3OH	+	+	+	+	+	1	EP or Nitrile 'O' rings
Methyl Cellosolve					+	+	2	Encapsulated 'O' seals (Viton or nitrile could be used with some deterioration)
Methyl Chloride	CH3Cl	+	+	+	+	+	1	Viton 'O' rings. Corrosion will occur if fluid is 'wet'. Cautious use of Dual filters. Use no zinc or aluminium.
Methylated Spirit		+	+	+	+	+		Nitrile or EP 'O' rings.
Methyl Ethyl Ketone (MEK)	CH3COCH2CH3	+	+	+	+	+	1	EP 'O' rings
Methyl Isobutyl Ketone	(CH3)2COCH3	+		+	+		1	PFA encapsulated 'O' seals.
Methyl Methacrylate	CH2:C(CH3)COOCH3				+		1	PFA encapsulated 'O' rings. Special cocks in Dual filters
Milk					+		2	Could use WB or GM (or CI or CS for OV or scf) but SS preferred. Check sterilisation requirements!
Mineral Waters					+		2	Other materials could be used but unlikely to be acceptable. See notes 1 & 2.
Molasses		+	+	+	+	+	2	SS preferred. See Note 1 & 2.
Monochlorabenzene	C6H5Cl							See Chlorobenzene
MTBE	(CH3)3COCH3	+		+	+		1	PFA encapsulated seals
N
Naphtha		+		+	+		1	Viton 'O' rings. Cautious use of CI & CS if sulphur is present. WB & GM could be used on some grades.
Naphthalene	C10H8	+	+	+	+	+	(1)	Viton seals. Naphthalene is a solid - check compatibility with solvent.
Nitrobenzene	C6H5NO2				+		1	PFA encapsulated 'O' seals. (Viton could be used but some deterioration may be expected)
Niter cake								See Sodium bisulphate
Nitric Acid	HNO3				+		(1)	OV only. (Special cocks could be used in OW filters at low concentrations)
Nitrogen	N2	+		+	+	+	G2	OV or Y-type filters only.