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Products
Categories
Specialty Gas Equipment
Regulators
Single Stage Regulators
Dual Stage Regulators
Line Regulators
Lecture Bottle Regulators
High Pressure Regulators
High Flow Regulators
Low Pressure Regulators
Calibration Gas Regulators
Semiconductor Grade Regulators
Laser Pro
VOC Regulators
Corrosive Service Regulators
Other Regulators
Modified Regulators "-S"
Regulator Accessories
Gas Delivery Systems
Switchover Panels
Switchover Accessories
Source Manifolds
Source Panels
Point of Use
Gas Cabinets
Ancillary Equipment
Valves
Pressure Gauges
Flex Hoses
Cylinder Connections
Cylinder Scales
Cylinder Holders
Cylinder Hand Trucks
Cylinder Storage Racks
Flash Arrestors
Other
Fittings
Stainless Steel Fittings
Brass Fittings
Monel Fittings
Wall Mounting
Lecture Bottle Equipment
Gas Detection
Filters and Purifiers
NANOCHEM® Purifiers
Flow Measurement
Rotameters
Mixer Rotameters
Mass flow controllers
Mass flow meters
Hydrogen Cooling Systems Rotameters
Miscellaneous Flowmeters
Rotameter Spare Parts
Kitagawa Gas Detection
Gas Detection Kit
Breathing Air Kit
Gas Detector Tubes
Kitagawa A to D
Kitagawa E to H
Kitagawa I to M
Kitagawa N to P
Kitagawa Q to Z
Smart Devices (New!)
Smart Devices - Components
Smart Pressure Regulators
Smart Manifolds
Smart Switchover Panels
Smart Inline Adapters
Gas Generators
3D Metal Printing
Hydrogen Cooling Systems - Parts
Safety Products
Publications
NANOCHEM® Purifiers
Biomedical
Food Freezing Equipment
Welding & Cutting
TIG
TIG Torch Packages/Kits
MATHESON Select
Weldcraft
TIG Accessory Kits
Alumina Nozzles
Lava Nozzles
TIG Collets & Collet Bodies
Back Caps, Valves, Handles
Tungsten Electrodes
MATHESON Select
Tungsten Grinders
Weldcote
TIG Hoses, Cables, Parts
TIG Hoses & Cables Kits
Flowmeters & Flow Gauges
MIG
MATHESON Select
Bernard
Miller
Tregaskiss
Tweco
Nozzles Tips Diffusers Insulators Liners
Flowmeters & Flow Gauges
Stick (SMAW)
Electrode Holders
MATHESON Select
Tweco
Welding-Cutting-Heating Equipment
Outfits
Pressure Gauges
Regulators for Acetylene - LP Gas - Oxygen
MATHESON Select
Harris
Smith
Victor
Oxy-Fuel Parts
Welding-Cutting-Heating Nozzles & Tips
MATHESON Select
Harris
Acetylene Cutting
Gouging
Heating
Propane & Nat Gas
Propylene
Koike Aronson
Smith
Acetylene Cutting
Acetylene Other
Propane & Nat Gas
Propylene
Victor
Heating Nozzles Type MFA
Tip Assy & Tips
Type 101
Type 108 - 118 - 218 - 318
Type GPN
Type GPP
Type HDNL - HPN - MCN - MTHN - MTHP
Welding Nozzles
Arc Gouging
Welding Machines
TIG (GTAW)
Lincoln
Miller
MIG (GMAW)
Lincoln
Miller
Stick (SMAW)
Lincoln
Miller
Multiprocess
Lincoln
Miller
Engine Driven
Lincoln
Miller
Welding & Arc Accessories
Cable Lugs & Connectors
Electrode Holders
MATHESON Select
Tweco
Ground Clamps
MATHESON Select
Tweco
Welding Supplies
Accessories & Hand Tools
Brushes
MATHESON Select
Weiler
Electrical Cords-Adapters-Jumpers
Welding Cable
MATHESON Select
Welding Chemicals
Welding Hoses
Gas Apparatus
MATHESON Select
Harris
Smith
Victor
Filler Metals
Aluminum
MATHESON Select
Hobart MaxalMig
Hobart MaxalTig
Bronze
MATHESON Select
Harris
Mild Steel
MATHESON Select
ESAB
Hobart
Lincoln
Mild Steel (large pkg)
ESAB
Hobart
Lincoln
National Standard
SOWESCO
Stainless Steel
MATHESON Select
ESAB
Harris
Lincoln
Other Alloys
Plasma
Hypertherm
Miller
Thermal Dynamics
Abrasives
MATHESON Select (Flap Disc)
Weiler (Flap Disc)
CGW (Cutoff)
CGW (Flap Disc)
CGW (Grinding)
CGW (Other)
SAIT (Cut-Grind)
SAIT (Cutoff)
SAIT (Cutting)
SAIT (Flap Disc)
SAIT (Grinding)
SAIT (Other)
Walter (Cutoff)
Walter (Cutoff-Grind)
Walter (Flap Disc)
Walter (Grinding)
Power Tools
DeWALT
Evolution
Fein
Hougen
Makita
Metabo
Welding Apparel
Gloves
Protective Clothing
Safety
Helmets & Accessories
MATHESON Select
Fibre Metal
Jackson (welding)
Jackson (hardhats & headgear)
Miller
Weldcote
Face Shields - Visors - Goggles
MATHESON Select
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MATHESON Store Locator
Clearance Items!
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Valves
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Featured Items
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Alphabetical: A to Z
Alphabetical: Z to A
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Price: Low to High
Price: High to Low
4370 Series Diaphragm Valves (Brass/SS)
USD $161.30
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4360 Series Quarter-Turn Diaphragm Valves (SS)
USD $348.20
Compare
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100 Series Needle Valves (Brass/SS/Monel)
USD $124.61
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4170 Series High Accuracy Needle Valves (Brass/SS)
USD $422.04
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4351 Series Cylinder Control Valves (Diaphragm) - Brass
USD $241.34
Compare
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52A Series Cylinder Control Valves (Packed Stem) - Brass
USD $482.64
Compare
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50A, 61A & 55A Series Cylinder Control Valves (Packed Stem) - Brass/SS/Monel
USD $359.06
Compare
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30ARB Lecture Bottle Control Valve (CGA 170)
USD $298.95
Compare
Add To Cart
4313A Lecture Bottle Control Valve (CGA 170) - Brass
USD $310.00
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Add To Cart
4300 Series Lecture Bottle Control Valve (CGA 180) - SS/Monel
USD $535.62
Compare
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4755 Series Tee Purge (Monel)
USD $1,053.55
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4754 Series Tee Purge (SS)
USD $690.59
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4753 Series Tee Purge (Brass)
USD $586.62
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6290 Excess Flow Valve (SS)
USD $1,149.40
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400 Series Check Valves (Brass/SS/Monel)
USD $127.52
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4774 Series Cross Purge (SS)
USD $1,679.41
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4775 Series Cross Purge (Monel-ASB)
USD $2,001.18
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Diaphragm Valve, 1/4" FNPT Inlet x Long 1/4" MNPT Outlet, Stainless Steel
USD $251.60
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Add To Cart
4384 Series Air-Operated Diaphragm Valve (NC)
USD $913.60
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Add To Cart
Diaphragm Valve, 1/2" MNPT Inlet x 1/2" FNPT Outlet, Stainless Steel
USD $883.52
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Needle Valve, 1/8" MNPT, Brass
USD $72.87
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Add To Cart
Replacement Handle for 4370 Series Valves
USD $16.90
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Add To Cart
Repair Kit for 4370B Series Valves
USD $45.91
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Globe Valve, 1/2" FNPT, 10,000 psi, SS
USD $605.50
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Add To Cart