110
Adaptors and Fittings
Flashback Arrestors – Oxygen/Fuel Gas
Features:
• Fits all “B” size 9/16"-18 fittings (regulators, torches & hoses)
• Built-in check valve prevents reverse gas flow
• Stainless steel sintered element stops multiple flashbacks (no
resetting required)
• U/L listed and 100% tested
• 2 PSI minimum pressure for gas flow
Ordering Information
Part Number
MSF FA10MS
MSF FA30MS
Description
Oxygen/Fuel Gas Set, Torch Style
Oxygen/Fuel Gas Set, Regulator Style
Flashback Arrestor Components
Flashback Arrestor, Oxygen, Torch Style Only
Flashback Arrestor, Fuel Gas, Torch Style Only
Flashback Arrestor, Oxygen, Regulator Style Only
Flashback Arrestor, Fuel Gas, Regulator Style Only
MSF FA100PMS
MSF FA200PMS
MSF FA130PMS
MSF FA230PMS
Quick Connects for Gas Welding Equipment
Features:
• Durable brass construction provides for long service life
• Designed for “B” size 9/16"-18 fittings (regulators, torches & hoses)
• Design guided by ISO 7289 safety standards
• Non-interchangeable oxygen/fuel gas connectors to prevent cross connections
• Built-in demand valves shut down upstream gases when disconnected
Ordering Information
Part Number
MSF QDB10MS
MSF QDB20MS
MSF QDB30MS
MSF QDB11MS
MSF QDB12MS
MSF QDB21MS
MSF QDB22MS
MSF QDB31MS
MSF QDB32MS
Description
Oxygen/Fuel Gas Quick Connect Set, Torch to Hose Style
Oxygen/Fuel Gas Quick Connect Set, Hose to Hose Style
Oxygen/Fuel Gas Quick Connect Set, Regulator to Hose Style
Quick Connect Components
Torch to Hose, Fuel Gas
Torch to Hose, Oxygen
Hose to Hose, Fuel Gas
Hose to Hose, Oxygen
Regulator to Hose, Fuel Gas
Regulator to Hose, Oxygen
www.mathesongas.com • 877-684-4427
MSF QDB10MS
MSF QDB20MS
111
Adaptors and Fittings
Hose Repair Kits
Features:
• Includes assortment of hose nuts, nipples, splicers, couplers and
ferrules
• Crimping tool with two hole jaw for use on 3/16" and 1/4" hose
• Clear, sectioned plastic case
• Fittings chart with photos and descriptions
Ordering Information
Part Number
MSF CK24MS
MSF CK26MS
MSF CK5MS
Description
Hose Repair Kit with Crimping Tool for 3/16" & 1/4" Hose, “B” Size Only
Hose Repair Kit with Crimping Tool for 3/16" & 1/4" Hose, “A” & “B” Size
Hose Repair Kit with Crimping Tool for 1/4" Hose, “B” Size Only
Crimping Tool
Features:
• Hand held ferrule crimping tool
• No hammer, vise or other tool needed
• Two hole jaw
• 1/2" wide to crimp hoses from 3/16" to 1/4"
Ordering Information
Part Number
MSF C5MS
Description
Crimping Tool for Use on 3/16" and 1/4" Hose
Cylinder Adaptors
Features:
• Adaptors connect a regulator to a
cylinder or other equipment when
different CGA threads on the mating
parts make a direct connection
impossible
• Solid brass or brazed construction
MSF 51MS
MSF 61MS
MSF 306MS
MSF 315MS
MSF 317MS
MSF 806MS
MSF 810MS
MSF 319MS
Ordering Information
Part Number
MSF 51MS
MSF 61MS
MSF 306MS
MSF 315MS
MSF 317MS
MSF 806MS
MSF 810MS
MSF 319MS
Adapts from Cylinder Service
CGA 510 POL Acetylene
CGA 300 Commercial Acetylene
CGA 520 “B” Cylinder Acetylene
CGA 510 POL Acetylene
CGA 520 “B” Cylinder Acetylene
CGA 320 Carbon Dioxide
CGA 580 Nitrogen (Inert Gases)
CGA 520 “B” Cylinder Acetylene
www.mathesongas.com • 877-684-4427
To Regulator Service
CGA 300 Commercial Acetylene
CGA 510 POL Acetylene
CGA 200 “MC” Acetylene
CGA 520 “B” Acetylene
CGA 510 POL Acetylene
CGA 580 Nitrogen (Inert Gases)
CGA 320 Carbon Dioxide
CGA 300 Commercial Acetylene
112
Adaptors and Fittings
Hose Nuts
Features:
• For pressures up to 200 PSIG
• “A” & “B” Size
• Oxygen & Fuel Gas
• Material: Brass
MSF 7MS
Ordering Information
Part Number
MSF 7MS
MSF 8MS
MSF 9MS
MSF 10MS
MSF 7BMS
MSF 8BMS
MSF 9BMS
MSF 10BMS
Description
Oxygen, RH, “B” Size
Fuel Gas, LH, “B” Size
Oxygen, RH, “A” Size
Fuel Gas, LH, “A” Size
Oxygen, RH, “B” Size
Fuel Gas, LH, “B” Size
Oxygen, RH, “A” Size
Fuel Gas, LH, “A” Size
MSF 8MS
Thread Size
9/16"-18 RH
9/16"-18 LH
3/8"-24 RH
3/8"-24 LH
9/16"-18 RH
9/16"-18 LH
3/8"-24 RH
3/8"-24 LH
Gas Service
CGA 022
CGA 023
CGA 020
CGA 021
CGA 022
CGA 023
CGA 020
CGA 021
Quantity per Bag
2
2
2
2
25
25
25
25
Length
1-7/16"
1-7/16"
1-7/32"
1-7/16"
1-7/16"
1-7/16"
1-7/32"
1-7/16"
For Hose Size
1/4" I.D.
3/16" I.D.
3/16" I.D.
3/8" I.D.
1/4" I.D.
3/16" I.D.
3/16" I.D.
3/8" I.D.
Quantity per Bag
2
2
2
2
25
25
25
25
Barbed Hose Nipples
Features:
• For pressures up to 200 PSIG
• “A” & “B” Size
• For 1/4" or 3/16" Hose
• Oxygen & Fuel Gas
• Material: Brass
Ordering Information
Part Number
MSF 17MS
MSF 18MS
MSF 19MS
MSF 20MS
MSF 17BMS
MSF 18BMS
MSF 19BMS
MSF 20BMS
Size
“B” Size
“B” Size
“A” Size
“B” Size
“B” Size
“B” Size
“A” Size
“B” Size
Hose Couplers
Features:
• For pressures up to 200 PSIG
• “B” Size
• Oxygen & Fuel Gas
• Material: Brass
Ordering Information
Part Number
MSF 30MS
MSF 31MS
MSF 30BMS
MSF 31BMS
Description
Oxygen Hose Coupler, “B” Size
Fuel Gas Hose Coupler, “B” Size
Oxygen Hose Coupler, “B” Size
Fuel Gas Hose Coupler, “B” Size
www.mathesongas.com • 877-684-4427
MSF 30MS
Inlet Thread Size
9/16"-18 RH
9/16"-18 LH
9/16"-18 RH
9/16"-18 LH
Outlet Thread Size
9/16"-18 RH
9/16"-18 LH
9/16"-18 RH
9/16"-18 LH
MSF 31MS
Quantity per Bag
2
2
25
25
113
Adaptors and Fittings
Regulator Outlet Bushings
Features:
• For pressures up to 200 PSIG
• “B” Size
• Oxygen & Fuel Gas
• Material: Brass
Ordering Information
Part Number
MSF 32MS
MSF 33MS
MSF 32BMS
MSF 33BMS
Description
Oxygen Regulator Outlet Adaptor
Fuel Gas Regulator Outlet Adaptor
Oxygen Regulator Outlet Adaptor
Fuel Gas Regulator Outlet Adaptor
Inlet Thread Size
1/4" Male NPT
1/4" Male NPT
1/4" Male NPT
1/4" Male NPT
Outlet Thread Size
9/16"-18 RH
9/16"-18 LH
9/16"-18 RH
9/16"-18 LH
Quantity per Bag
2
2
25
25
Hose Splicers
Features:
• For pressures up to 200 PSIG
• Hexagon, round, spiral or no center stop
• Material: Brass
MSF 34MS
MSF 37MS
MSF 44MS
MSF 54MS
Ordering Information
Part Number
MSF 34MS
MSF 37MS
MSF 44MS
MSF 45MS
MSF 46MS
MSF 47MS
MSF 54MS
MSF 37BMS
MSF 44BMS
MSF 45BMS
MSF 47BMS
MSF 54BMS
Description
1/4" to 1/4" I.D. Hose
1/4" to 1/4" I.D. Hose
1/4" to 1/4" I.D. Hose
3/16" to 3/16" I.D. Hose
5/16" to 5/16" I.D. Hose
3/8" to 3/8" I.D. Hose
1/4" to 1/4" I.D. Hose
1/4" to 1/4" I.D. Hose
1/4" to 1/4" I.D. Hose
3/16" to 3/16" I.D. Hose
3/8" to 3/8" I.D. Hose
1/4" to 1/4" I.D. Hose
www.mathesongas.com • 877-684-4427
Style
Spiral Hex
Barb Hex
Barb Round
Barb Round
Barb Round
Barb Round
No Center Stop
Barb Hex
Barb Round
Barb Round
Barb Round
No Center Stop
Quantity per Bag
2
2
2
2
2
2
2
25
25
25
25
25
114
Adaptors and Fittings
Hose Barb Adaptors
Features:
• For pressures up to 200 PSIG
• NPT x Hose Barb
• Material: Brass
MSF 541BMS
MSF 555MS
Ordering Information
Part Number
MSF 541BMS
MSF 543BMS
MSF 555MS
Description
Hose Barb Male NPT Thread
Hose Barb Male NPT Thread
Hose Barb Female NPT Thread
Inlet Thread Size
1/4" Male NPT
1/4" Male NPT
1/4" Female NPT
Hose Size
1/4" I.D.
3/8" I.D.
1/4" I.D.
Inlet Thread
1/4" Male NPT
Hose Connection
9/16"-18 RH
Swivel Nut Adaptor
Features:
• For pressures up to 200 PSIG
• Material: Brass
Ordering Information
Part Number
MSF 123MS
Description
Swivel Hose Nut Adaptor, “B” Size
Plug & Chain Assemblies
Features:
• For pressures up to 200 PSIG
• Gas tight seal
• Two piece nut and blind nipple
• Material: Brass
Ordering Information
Part Number
MSF 927MS
MSF 928MS
Description
Oxygen, Female Nut & Plug, “B” Size
Fuel Gas, Female Nut & Plug, “B” Size
www.mathesongas.com • 877-684-4427
Thread Size
9/16"-18 RH
9/16"-18 LH
Gas Service
CGA 022
CGA 023
Quantity per Bag
20
20
1
115
Adaptors and Fittings
Inert Arc Gas Fittings
Inert Arc Nuts (TIG)
Features:
• For pressures to 200 PSIG
• Use with all “B” Size inert arc nipples
• Material: Brass
Ordering Information
Part Number
MSF AW14MS
MSF AW14AMS
MSF AW14BMS
MSF AW14ABMS
Description
Water, Male LH
Inert Gas, Male RH
Water, Male LH
Inert Gas, Male RH
Thread Size
“B” Size - 5/8"-18
“B” Size - 5/8"-18
“B” Size - 5/8"-18
“B” Size - 5/8"-18
Gas Service
CGA 033
CGA 032
CGA 033
CGA 032
Quantity per Bag
2
2
25
25
Size
“B” Size, 5/8"-18
“B” Size, 5/8"-18
“B” Size, 5/8"-18
“B” Size, 5/8"-18
Hose Size
1/4" I.D.
1/4" I.D.
3/16" I.D.
3/8" I.D.
Quantity per Bag
2
25
1
1
Inert Arc Nipples (TIG)
Features:
• For pressures to 200 PSIG
• Use with all “B” Size inert arc nuts
• Material: Brass
Ordering Information
Part Number
MSF AW17MS
MSF AW17BMS
MSF AW18MS
MSF AW19MS
Description
Inert Arc Nipple, 2-7/32" Long
Inert Arc Nipple, 2-7/32" Long
Inert Arc Nipple, 2-7/32" Long
Inert Arc Nipple, 2-7/32" Long
Air – Water Adaptor
Features:
• For pressures up to 200 PSIG
• Male to female adaptor
• Material: Brass
Ordering Information
Part Number
MSF AW15AMS
Description
1/4" NPT Male to “B” Size 5/8"-18 Female RH Water
Inert Arc Hose & Torch Adaptor
Features:
• For pressures up to 200 PSIG
• Male x Male Adaptor
• Material: Brass
Ordering Information
Part Number
MSF AW427MS
Description
5/8"-18 RH Male to 1/4" NPT Male
www.mathesongas.com • 877-684-4427
116
Adaptors and Fittings
Inert Arc Hose Coupler
Features:
• For pressures up to 200 PSIG
• Female x Female Coupler
• Material: Brass
Ordering Information
Part Number
MSF AW430MS
Description
5/8"-18 RH Female to 5/8"-18 RH Female
“Y” Connectors without Shut-Off Valves
Features:
• For pressures up to 200 PSIG
• “B” Size 9/16"-18 Thread
• Swivel Nut Inlet
• Material: Brass
Ordering Information
Part Number
MSF 101MS
MSF 102MS
Inlet
Oxygen, RH Female, Swivel Nut
Fuel Gas, LH Female, Swivel Nut
Outlets
9/16"-18 RH Male
9/16"-18 LH Male
Gas Service
CGA 022
CGA 023
“Y” Connectors with Shut-Off Valves
Features:
• For pressures up to 200 PSIG
• For use with two hoses
• High precision shut-off valves
• Swivel Nut Inlet
• Material: Brass
MSF 111MS
MSF 411MS
Ordering Information
Part Number
MSF 111MS
MSF 112MS
MSF 411MS
Inlet
Oxygen 9/16"-18 RH Female, Swivel Nut
Fuel Gas, 9/16"-18 LH Female, Swivel Nut
Argon, 5/8"-18 RH Male Swivel Nut
www.mathesongas.com • 877-684-4427
Outlets
9/16"-18 RH Male
9/16"-18 LH Male
5/8"-18 RH Female
Gas Service
CGA 022
CGA 023
CGA 032
Adaptors and Fittings
117
Brass Shut-Off Valves
Features:
• Precision shut-off valves
• Oxygen, fuel gas and non-corrosive gases
Ordering Information
Part Number
MSF 205MS
MSF 206MS
MSF 211MS
Inlet
1/4" NPT Male
1/4" NPT Male
1/4" NPT Male
Outlet
Oxygen, 9/16"-18 RH Male
Fuel Gas, 9/16"-18 LH Male
1/4" NPT Male
Gas Service
CGA 022
CGA 023
All Non-Corrosive
Hose Ferrules
Features:
• For pressures up to 200 PSIG
• Material: Brass
To determine proper ferrule size, measure O.D. of the hose
(as a decimal) and go up to the next larger size ferrule I.D.
on the chart below
Ordering Information
Part Number
MSF 620BMS
MSF 622BMS
MSF 624BMS
MSF 625BMS
MSF 626BMS
MSF 769BMS
MSF 833BMS
MSF 3588MS
MSF 3588BMS
MSF 4750BMS
MSF 7322BMS
MSF 7323BMS
MSF 7323MS
MSF 7325MS
MSF 7325BMS
MSF 7326MS
MSF 7326BMS
MSF 7327BMS
MSF 7328BMS
MSF 7329BMS
MSF 7331BMS
MSF KKBMS
MSF 7330BBMS
Inside Diameter (inches)
0.410
0.380
0.500
0.525
0.548
0.450
0.358
0.562
0.562
0.475
0.500
0.525
0.525
0.562
0.562
0.593
0.593
0.625
0.656
0.687
0.750
0.575
0.718
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Length (inches)
0.500
0.500
0.470
0.500
0.478
0.563
0.500
0.750
0.750
0.688
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
0.484
1.000
Quantity per Bag
25
25
25
25
25
25
25
4
25
25
25
25
4
4
25
4
25
25
25
25
25
25
25
Pressure Rating
200 PSIG
200 PSIG
3000 PSIG
118
Adaptors and Fittings
CGA Nuts & Nipples for Regulators
MSF 62MS
MSF 63MS
MSF 82MS
MSF 83MS
MSF 92MS
MSF 153MS
MSF 152MS
MSF 5002MS
MSF CO3MS
MSF CO5MS
MSF CO6BMS
MSF 6802MS
MSF 6803SFMS
MSF 3472MS
MSF3473MS
Ordering Information
Part Number
MSF 62MS
MSF 63MS
MSF 66MS
MSF 66SFMS
MSF 69MS
MSF 82MS
MSF 83MS
MSF 92MS
MSF 153MS
MSF 153SFMS
MSF 154MS
MSF 158SFMS
MSF 152MS
MSF 5002MS
MSF CO2MS
MSF CO3MS
MSF CO4MS
MSF CO5MS
MSF CO5BMS
MSF CO6BMS
MSF CO6NBMS
MSF 665BMS
MSF 6802MS
MSF 6803SFMS
MSF 3472MS
MSF 3473MS
Part
Nut
Nipple
Nipple
Nipple
Nipple
Nut
Nipple
Nut
Nipple
Nipple
Nipple
Nipple
Nut
Nut
Nut
Nipple
Nipple
Washer
Washer
Washer
Washer
Washer
Nut
Nipple
Nut
Nipple
CGA
540
540
540
540
540
350
350
580
500/510/580/590
500/510/580/590
500/510/580/590
500/510/580/590
510
500
320
320
320
320
320
320
320
660
680
680
347
347
www.mathesongas.com • 877-684-4427
Description
Brass, .908"-14 NGO, RH Female
Brass, 1/4" NPT, 2.06" Long
Brass, 1/4" NPT, 2-1/2" Long
Brass, 1/4 NPT, 2-1/2" Long with Filter
Brass, 1/4" NPT, 3" Long
Brass, .830"-14 NGO, LH Female
Brass, 1/4" NPT, 2-1/2" Long
Brass, .960"-14 NGO, RH Male
Brass 1/4" NPT, 3"Long
Brass, 1/4" NPT, 3" Long with Filter
Brass, 1/4" NPT, 3-1/2" Long
Brass, 1/4" NPT, 2-1/2" Long with Filter
Brass, .880"-14 NGO, LH Male
Brass, .880"-14 NGO, RH Male
Brass, .830"-14 NGO, RH Female
Brass, 1/4" NPT, 2" Long with Washer
Brass, 1/4" NPT, 2-1/2" Long with Washer
Fiber, Flat Washer
Fiber, Flat Washer
Teflon, Flat Washer
Nylon, Flat Washer
Nylon, Washer for CGA 660
Brass, 1.040"-14 NGO RH Male
Brass, 1/4" NPT, 3" Long with Filter
Brass, .830"-14 NGO RH Female
Brass, 1/4" NPT, 3" Long
Pressure Rating
3000 PSIG
3000 PSIG
3000 PSIG
3000 PSIG
3000 PSIG
3000 PSIG
3000 PSIG
3000 PSIG
3000 PSIG
3000 PSIG
3000 PSIG
3000 PSIG
3000 PSIG
3000 PSIG
3000 PSIG
3000 PSIG
3000 PSIG
3000 PSIG
3000 PSIG
3000 PSIG
3000 PSIG
3000 PSIG
5500 PSIG
5500 psig
3001-5500 PSIG
3001-5500 PSIG
Quantity per Bag
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
4
50
100
100
100
1
1
1
1