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NW 25
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NW 40
All NW40
Bellows and Hose
Centering Rings
Clamps
Elbows,Tees and Crosses
Hose Fittings
Instrument Adapters
Nipples
NPT Adapters
NW TO NW Adapters
Port Covers and Stubs
Weld Fittings
NW 50
All NW50
Bellows and Hose
Centering Rings
Clamps
Elbows,Tees and Crosses
Hose Fittings
Instrument Adapters
Nipples
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NW TO NW Adapters
Port Covers and Stubs
Weld Fittings
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All ISO Claw Clamp Style
ISO ISO-B Bolted Series Flanges
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Chemical Compatibility Chart
Chemical Compatibility Chart
Use dropdowns below to select a chemical, and then a combination material.
1. CHEMICAL
ASTM Oil No_1
ASTM Oil No_2
ASTM Oil No_3
Acetaldehyde
Acetic Acid 20%
Acetic Acid_ Glacial
Acetic Anhydride
Acetone
Acetonitrile
Acetophenone
Acetyl Chloride
Acrylic Acid
Aluminium Chloride
Aluminium Sulphate
Ammonium Hydroxide 35%
Ammonium Sulphate 50%
Amyl Acetate
Aniline
Antimony Trichloride 10%
Aqua Regia
Arsenic Acid
Barium Chloride
Benzaldehyde
Benzene
Benzyl Alcohol
Benzyl Chloride
Boric Acid
Bromine Liquid
Butanol
Butyl Acetate
Butyl Chloride
Butylamine
Butyric Acid
Calcium Chloride
Carbon Disulphide
Carbon Tetrachloride
Caster Oil
Cellosolve
Cellosolve Acetate
Chloracetic Acid
Chlorine Gas Dry
Chlorine Dioxide
Chlorine Water
Chlorobenzene
Chloroform
Chlorosulphonic Acid
Chrome Plating Solution
Citric Acid 10%
Cod Liver Oil
Copper Sulphate >5%
Cotton Seed Oil
Cresols
Cyclohexanone
Cyclohexane
Cyclohexanol
Decalin
Diesel Oil
Diethyl Ether
Diethylamine
Diethylene Glycol
Dimethyl Formamide
Dimethylamine
Dimethylhydrazine
Dioctyl Phthalate
Dioxane
Ethyl Acetate
Ethyl Alcohol
Ethyl Chloride
Ethylamine
Ethylene Bromide
Ethylene Glycol
Ferric Chloride
Fluoboric Acid
Fluorine
Flousilicic Acid
Formaldehyde 40%
Formic Acid
Formic Acid 90%
Furfural
Glycerol
Hexane
Hexofluoro Propanol
Hydrazine Hydrate
Hydrobromic Acid 20%
Hydrochloric Acid 100%
Hydrochloric Acid 10%
Hydrochloric Acid 20%
Hydrochloric Acid 37%
Hydrofluoric Acid 100%
Hydrogen Peroxide 30%
Hydrogen Peroxide 87%
Hydrogen Sulphide
Iso-Octane
Iso-Propanol
Lactic Acid
Lead Acetate
Lead Acetate 10%
Linseed Oil
Lubricating Oil Mineral
Magnesium Chloride
Manganese Sulphate
Mercuric Chloride Dilute
Methyl Alcohol
Methyl Bromide
Methyl Ethyl Ketone
Methylene Dichloride
Molasses
Monoethanolamine
N-Propanol
Nickel Chloride
Nitric Acid 10%
Nitric Acid 50%
Nitrobenzene
Nitromethane
Nitropropane
Oleic Acid
Olive Oil
Oxalic Acid
Ozone
Paraffin Oil
Perchlorethylene
Peroxymonosulphuric Acid
Petrol
Phenol 10%
Phosphoric Acid <40%
Picric Acid
Plating Solutions
Potassium Cyanide
Potassium Fluoride
Potassium Hydroxide 50%
Potassium Permanganate 25%
Potassium Sulphate
Propionic Acid
Propylene Glycol
Propylene Oxide
Pyridine
Rapeseed Oil
Silicone Fluids
Silver Nitrate
Sodium Borate
Sodium Carbonate
Sodium Chloride 25%
Sodium Chlorite
Sodium Cyanide
Sodium Hydroxide 10%
Sodium Hydroxide 20%
Sodium Hydroxide 50%
Sodium Hypochlorite <20%
Sodium Hypochlorite 100%
Sodium Nitrate
Sour Oil
Stannous Chloride
Styrene
Sulphamic Acid
Sulphur Dioxide
Sulphuric Acid 10%
Sulphuric Acid 70%
Sulphuric Acid 96%
Sulphuric Acid Fuming
Tetrachloroethane
Tetrahydrofuran
Tetralin
Thionyl Chloride
Titanium Tetrachloride
Toluene
Transformer Oil
Trichloracetic Acid
Trichlorethane
Trichlorethylene
Tricresyl Phosphate
Triethanolamine
Triethylamine
Turpentine
Vegetable Oils
Vinyl Acetate
Vinyl Chloride
Water Distilled
Water Drinking
Water sea
White Spirit
Wine
Xylene
Zinc Chloride
Zinc Chloride Aq_sol
2. MATERIAL
All Materials
Polypropylene GF
PVDF carbon filled
Nylon 11
PVC
PPS GF
PTFE
ABS GF
Acetal Delrin
Viton
EPDM
Nitrile
Silicone
St Steel 303/304
St Steel 316
Aluminium
Brass
Hastelloy C
Titanium
Alumina Ceramic
Ceramic Magnet
VIEW COMPATIBILITY
CHEMICAL SELECTED :
MATERIAL
Compatibility
Chemical Effect
A - Excellent
L - Limited Suitability
X - Unsuitable
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Welch Direct Drive
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▼
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Welch high throughput PTFE Vacuum Pumps
Autosensing Evaporation Vacuum Systems
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Dry Standard Duty
▼
Welch WOB-L Piston
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▼
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Vacuubrand High Vac
Welch BTPro Vacuum Pumps
Dry Scroll Vacuum Pumps
Turbo Molecular Vacuum Pumps
Cryogenic Vacuum Pumps
Explosion Proof Motor Vacuum Pumps
Industrial and Networked Vacuum Pumps
▼
Welch-Ilmvac Industrial
Edwards Industrial
Welch Industrial
Vacuubrand Industrial
Refrigeration Vacuum Pumps
Vacuum Gauges and Controls
▼
Chemtech Scientific
Engineered Controls
Welch Gauges
Vacuum Accessories
▼
Parts
Repair Kits
▼
Anest Iwata
Alcatel-Adixen
Becker
Busch
Dresser
Ebara
Edwards
Fisher Scientific
Kashiyama
Galileo
Kinney
KNF
Leybold
Nash
Pfeiffer
Precision Scientific
Rietschle
Stokes
Ulvac
Vacuubrand
Agilent-Varian
Welch
Oil
Exhaust Filters
Hose/Tubing/Fittings
Traps
Controls and Guages
ISO Vacuum Fittings
Vacuum Fittings
▼
NW 10
▼
All NW10
NW 16
▼
All NW16
Clamps
Centering Rings
Port Covers and Stubs
Weld Fittings
NPT Adapters
NW to NW Adapters
Elbows,Tees and Crosses
Nipples
Bellows and Hose
Instrument Adapters
Hose Fittings
NW 25
▼
All NW25
Bellows and Hose
Centering Rings
Clamps
Elbows,Tees and Crosses
Hose Fittings
Instrument Adapters
Nipples
NPT Adapters
NW TO NW Adapters
Port Covers and Stubs
Weld Fittings
NW 40
▼
All NW40
Bellows and Hose
Centering Rings
Clamps
Elbows,Tees and Crosses
Hose Fittings
Instrument Adapters
Nipples
NPT Adapters
NW TO NW Adapters
Port Covers and Stubs
Weld Fittings
NW 50
▼
All NW50
Bellows and Hose
Centering Rings
Clamps
Elbows,Tees and Crosses
Hose Fittings
Instrument Adapters
Nipples
NPT Adapters
NW TO NW Adapters
Port Covers and Stubs
Weld Fittings
ISO Claw Clamp Style
▼
All ISO Claw Clamp Style
ISO ISO-B Bolted Series Flanges
▼
All ISO ISO-B Bolted Series Flanges
ConFlat Flanges (CF)
▼
All ConFlat Flanges
Accessories
▼
All Accessories
Weld Flanges
Liquid Handling
House Vacuum Projects
Repair Service
▼
Request a Vacuum Pump Repair
Service Contracts
Laboratory Vacuum Seminars
Preventive Maintenance and Safety Evaluations
Technical Support
Request a Vacuum Expert Visit
Repair Kits
▼
Anest Iwata
Alcatel-Adixen
Becker
Busch
Dresser
Ebara
Edwards
Fisher Scientific
Kashiyama
Galileo
Kinney
KNF
Leybold
Nash
Pfeiffer
Precision Scientific
Rietschle
Stokes
Ulvac
Vacuubrand
Agilent-Varian
Welch
Lab Equipment
▼
Rotary Evaporators
Vacuum Ovens
Freeze Dryer
Cold Traps
Recirculating Chillers
▼
Across International -15°C 3L Compact Recirculating Chiller with Centrifugal Pump
Across International -20°C to 99°C 7L Capacity Compact Recirculating Chiller
Across International -30°C 10L Recirculating Chiller with 20L/Min Centrifugal Pump
Across International -30°C 17L Recirculating Chiller with 20L/Min Centrifugal Pump
Magnetic Stirrers
Overhead Stirrers
Resources
▼
LabAide
Vacuum Pump Selection Guide
Troubleshooting Vacuum Pumps
Chemical Compatibility Chart
Solvent Properties Chart
Vacuum Pump Manufacturers
Blogs
Welch Safety Form
Chemtech Scientific Repair Safety Form
Product Manuals
Contact Us