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Flare Fittings

You won't find a better selection of flare fittings anywhere on the Internet. It is important to use flare fittings when you are dealing with a lot of water pressure going through a pipe or are dealing with high gas distribution. Flare fittings on the end of copper tubing should provide a strong connection to a fixed point with a threaded nipple. PlumbingSupply.com® is your source for hard-to-find fittings. And, as always, there is never a minimum purchase requirement.


Looking for specialty 3/16" or 7/16" sized flare nuts?

ALL flare fittings sizes on this page are O.D. (outside diameter of pipe).

Please note: Not all fitting styles available in all sizes. Brass fittings on this page are NOT for use with potable water.

Prop 65 warning
California Proposition 65 Warning
WARNING: These products contain lead, a chemical known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, click here.
(California law requires this warning to be given to customers in the State of California.)

Items with lead are NOT for use in potable water systems and are only for industrial non-drinking water applications

Caps

Flare Fitting Cap
Description Price & Quantity
1/4" $0.99
5/16" $3.66
3/8" $1.34
Description Price & Quantity
1/2" $1.52
5/8" $3.54
3/4" $9.95

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Female Swivel Nut

Flare Fitting Swivel Nut
Description Price & Quantity
1/4" x 1/4" $4.23
5/16" x 5/16" $6.75
3/8 x 1/4" $9.93
3/8" x 3/8" $4.91
1/2" x 3/8" $10.21
Description Price & Quantity
1/2" x 1/2" $5.95
5/8" x 1/2" $12.97
5/8" x 5/8" $7.42
3/4" x 3/4" $22.02

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Flare Nut

Flare Fitting Nut
Description Price & Quantity
1/4" $0.93
5/16" $2.53
3/8" $1.32
1/2" $1.75
5/8" $4.75
Description Price & Quantity
3/4" $6.19
7/8" $12.41
3/16" $0.92
7/16" $5.31

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Male 90° Elbow (MIPS)

Flare Fitting Male 90° Elbow
Description Price & Quantity
1/4" x 1/8" MIPS $1.87
1/4" x 1/4" MIPS $2.44
1/4" x 3/8" MIPS $3.45
3/8" x 1/8" MIPS $3.22
3/8" x 1/4" MIPS $2.99
3/8" x 3/8" MIPS $3.15
3/8" x 1/2" MIPS $3.56
Description Price & Quantity
1/2" x 1/4" MIPS $4.07
1/2" x 3/8" MIPS $3.96
1/2" x 1/2" MIPS $3.98
1/2" x 3/4" MIPS $4.99
5/8" x 1/2" MIPS $6.24
5/8" x 3/4" MIPS $9.73

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Female 90° Elbow (FIPS)

Flare Fitting Female 90° Elbow
Description Price & Quantity
3/8" x 3/8" FIPS $3.24
3/8" x 1/2" FIPS $6.56
3/8" x 3/4" FIPS $6.32
1/2" x 3/8" FIPS $4.94
Description Price & Quantity
1/2" x 1/2" FIPS $4.96
1/2" x 3/4" FIPS $6.98
5/8" x 1/2" FIPS $5.94
5/8" x 3/4" FIPS $8.44

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90° Flare Elbow

Flare Fitting 90° Flare Elbow
Description Price & Quantity
5/16" $3.74
3/8" $3.36
Description Price & Quantity
1/2" $4.19
5/8" $6.24

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Flare Tee

Flare Tee
Description Price & Quantity
1/4" $3.47
1/4" x 1/4" IPS $5.29
5/16" $3.99
3/8" $4.88
Description Price & Quantity
1/2" x 3/8" $6.88
1/2" $4.86
5/8" $9.93

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Union

Union
Description Price & Quantity
1/4" x 1/4" $1.35
5/16 x 1/4" $3.79
5/16" $2.75
3/8" x 1/4" $2.54
3/8" x 3/8" $2.11
1/2" x 3/8" $2.82
Description Price & Quantity
1/2" x 1/2" $2.74
5/8" x 3/8" $6.49
5/8" x 1/2" $4.49
5/8" $4.54
7/8" x 7/8" $17.57

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Plug

Plug
Description Price & Quantity
1/4" $1.83
3/8" $1.89
Description Price & Quantity
1/2" $2.38
5/8" $3.23

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Bonnet

Bonnet
Description Price & Quantity
1/4" $0.98
5/16" $1.79
Description Price & Quantity
3/8" $1.18

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Female Adapter (FIPS)

Female Adapter
Description Price & Quantity
1/4" x 1/8" $2.35
1/4" x 1/4" $2.11
1/4" x 1/2" $4.26
5/16" x 1/8" $10.49
5/16" x 1/4" $3.27
3/8" x 1/4" $2.65
3/8" x 3/8" $2.61
3/8" x 1/2" $2.43
Description Price & Quantity
3/8" x 3/4" $4.16
1/2" x 1/4" $3.96
1/2" x 3/8" $2.76
1/2" x 1/2" $2.99
1/2" x 3/4" $3.82
5/8" x 3/8" $5.45
5/8" x 1/2" $2.88
5/8" x 3/4" $4.81

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Male Adapter (MIPS)

Male Adapter
Description Price & Quantity
1/4" x 1/8" $1.37
1/4" x 1/4" $1.24
1/4" x 3/8" $2.08
1/4" x 1/2" $2.79
5/16" x 1/8" $1.63
5/16" x 1/4" $2.39
3/8" x 1/8" $3.29
3/8" x 1/4" $1.75
3/8" x 3/8" $1.98
3/8" x 1/2" $2.99
3/8" x 3/4" $4.52
Description Price & Quantity
1/2" x 1/4" $3.43
1/2" x 3/8" $2.81
1/2" x 1/2" $3.19
1/2" x 3/4" $3.94
5/8" x 3/8" $2.38
5/8" x 1/2" $3.91
5/8" x 3/4" $4.68
3/4" x 1/2" $7.93
3/4" x 3/4" $5.73
7/8" x 3/4" $21.79

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Female Flare x Male (MIPS) Adapter

Female Flare x MIPS
Description Price & Quantity
1/4" FEMALE Flare x 1/4" MIPS $6.88
3/8" FEMALE Flare x 1/4" MIPS $8.77
Description Price & Quantity
1/2" FEMALE Flare x 3/8" MIPS $8.75
1/2" FEMALE Flare x 1/2" MIPS $8.79

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Female Flare x Male Flare

Female Flare x Male Flare
Description Price & Quantity
3/8" Female Flare x 1/4" Male Flare $5.95
3/8" Female Flare x 1/2" Male Flare $7.88
1/2" Female Flare x 1/4" Male Flare $8.05
Description Price & Quantity
1/2" Female Flare x 3/8" Male Flare $8.91
1/2" Female Flare x 5/8" Male Flare $8.09
5/8" Female Flare x 1/2" Male Flare $8.19

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Angled Needle Valve

Angled Needle Valve
Description Price & Quantity
1/4" Flare x 1/8" MIPS $9.99
5/16" Flare x 1/8" MIPS $28.33
Description Price & Quantity
5/16" Flare x 1/4" MIPS $13.77
3/8" Flare x 1/4" MIPS $47.58

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Straight Needle Valve

Straight Needle Valve
Description Price & Quantity
1/4" Flare x 1/8" MIPS $11.48
1/4" Flare x 1/4" MIPS $16.56
1/4" Flare x 1/4" Flare $8.21
Description Price & Quantity
3/8" Flare x 1/4" MIPS $18.45
3/8" Flare x 3/8" Flare $11.19

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Shop Flare Fittings by Size

1/4" Flare Fittings

Description Price & Quantity
1/4" Cap $0.99
1/4" x 1/4" Swivel Nut - Female $4.23
1/4" Flare Nut $0.93
1/4" x 1/8" MIPS 90° Elbow $1.87
1/4" x 1/4" MIPS 90° Elbow $2.44
1/4" x 3/8" MIPS 90° Elbow $3.45
1/4" Flare Tee $3.47
1/4" x 1/4" IPS Flare Tee $5.29
1/4" x 1/4" Union $1.35
1/4" Plug $1.83
1/4" Bonnet $0.98
1/4" x 1/8" FIPS Adapter $2.35
Description Price & Quantity
1/4" x 1/4" FIPS Adapter $2.11
1/4" x 1/2" FIPS Adapter $4.26
1/4" x 1/8" MIPS Adapter $1.37
1/4" x 1/4" MIPS Adapter $1.24
1/4" x 3/8" MIPS Adapter $2.08
1/4" x 1/2" MIPS Adapter $2.79
1/4" FEMALE Flare x 1/4" MIPS $6.88
1/4" Flare x 1/8" MIPS Angled Needle Valve $9.99
1/4" Flare x 1/8" MIPS Straight Needle Valve $11.48
1/4" Flare x 1/4" MIPS Straight Needle Valve $16.56
1/4" Flare x 1/4" Flare Straight Needle Valve $8.21

Budget Flaring Tool - Flares 3/16" to 5/8" Copper Tubing = $14.95

Need to seal your pipe threads? We've got you covered.
PTFE Tape (1/2" x 260" roll) - $0.79 or (1/2" x 520" roll) - $0.99
EXTRA THICK 4 MIL YELLOW Gas Line PTFE Tape (1/2" x 260" roll) - $1.59
Great White Basic Pipe Joint Compound (1 oz.) - $2.78
High Quality TU-555 Pipe Joint Compound (4 oz.) - $7.08
To ensure our customers receive fresh products, TU-555 pipe joint compounds are non-returnable.

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5/16" Flare Fittings

Description Price & Quantity
5/16" Cap $3.66
5/16" x 5/16" Swivel Nut - Female $6.75
5/16" Flare Nut $2.53
5/16" 90° Flare Elbow $3.74
5/16" Flare Tee $3.99
5/16 x 1/4" Union $3.79
5/16" Union $2.75
Description Price & Quantity
5/16" Bonnet $1.79
5/16" x 1/8" FIPS Adapter $10.49
5/16" x 1/4" FIPS Adapter $3.27
5/16" x 1/8" MIPS Adapter $1.63
5/16" x 1/4" MIPS Adapter $2.39
5/16" Flare x 1/8" MIPS Angled Needle Valve $28.33
5/16" Flare x 1/4" MIPS Angled Needle Valve $13.77

Budget Flaring Tool - Flares 3/16" to 5/8" Copper Tubing = $14.95

Need to seal your pipe threads? We've got you covered.
PTFE Tape (1/2" x 260" roll) - $0.79 or (1/2" x 520" roll) - $0.99
EXTRA THICK 4 MIL YELLOW Gas Line PTFE Tape (1/2" x 260" roll) - $1.59
Great White Basic Pipe Joint Compound (1 oz.) - $2.78
High Quality TU-555 Pipe Joint Compound (4 oz.) - $7.08
To ensure our customers receive fresh products, TU-555 pipe joint compounds are non-returnable.

- OR - View Cart

3/8" Flare Fittings

Description Price & Quantity
3/8" Cap $1.34
3/8 x 1/4" Swivel Nut - Female $9.93
3/8" x 3/8" Swivel Nut - Female $4.91
3/8" Flare Nut $1.32
3/8" 90° Flare Elbow $3.36
3/8" x 1/8" MIPS 90° Elbow $3.22
3/8" x 1/4" MIPS 90° Elbow $2.99
3/8" x 3/8" MIPS 90° Elbow $3.15
3/8" x 1/2" MIPS 90° Elbow $3.56
3/8" x 3/8" FIPS 90° Elbow $3.24
3/8" x 1/2" FIPS 90° Elbow $6.56
3/8" x 3/4" FIPS 90° Elbow $6.32
3/8" Flare Tee $4.88
3/8" x 1/4" Union $2.54
3/8" x 3/8" Union $2.11
3/8" Plug $1.89
3/8" Bonnet $1.18
Description Price & Quantity
3/8" x 1/4" FIPS Adapter $2.65
3/8" x 3/8" FIPS Adapter $2.61
3/8" x 1/2" FIPS Adapter $2.43
3/8" x 3/4" FIPS Adapter $4.16
3/8" x 1/8" MIPS Adapter $3.29
3/8" x 1/4" MIPS Adapter $1.75
3/8" x 3/8" MIPS Adapter $1.98
3/8" x 1/2" MIPS Adapter $2.99
3/8" x 3/4" MIPS Adapter $4.52
3/8" FEMALE Flare x 1/4" MALE Flare $5.95
3/8" FEMALE Flare x 1/2" MALE Flare $7.88
3/8" FEMALE Flare x 1/4" MIPS $8.77
3/8" Flare x 1/4" MIPS Angled Needle Valve $47.58
3/8" Flare x 1/4" MIPS Straight Needle Valve $18.45
3/8" Flare x 3/8" Flare Straight Needle Valve $11.19

Budget Flaring Tool - Flares 3/16" to 5/8" Copper Tubing = $14.95

Need to seal your pipe threads? We've got you covered.
PTFE Tape (1/2" x 260" roll) - $0.79 or (1/2" x 520" roll) - $0.99
EXTRA THICK 4 MIL YELLOW Gas Line PTFE Tape (1/2" x 260" roll) - $1.59
Great White Basic Pipe Joint Compound (1 oz.) - $2.78
High Quality TU-555 Pipe Joint Compound (4 oz.) - $7.08
To ensure our customers receive fresh products, TU-555 pipe joint compounds are non-returnable.

- OR - View Cart

1/2" Flare Fittings

Description Price & Quantity
1/2" Cap $1.52
1/2" x 3/8" Swivel Nut - Female $10.21
1/2" x 1/2" Swivel Nut - Female $5.95
1/2" Flare Nut $1.75
1/2" 90° Flare Elbow $4.19
1/2" x 1/4" MIPS 90° Elbow $4.07
1/2" x 3/8" MIPS 90° Elbow $3.96
1/2" x 1/2" MIPS 90° Elbow $3.98
1/2" x 3/4" MIPS 90° Elbow $4.99
1/2" x 3/8" FIPS 90° Elbow $4.94
1/2" x 1/2" FIPS 90° Elbow $4.96
1/2" x 3/4" FIPS 90° Elbow $6.98
1/2" x 3/8" Flare Tee $6.88
1/2" Flare Tee $4.86
1/2" x 3/8" Union $2.82
Description Price & Quantity
1/2" x 1/2" Union $2.74
1/2" Plug $2.38
1/2" x 1/4" FIPS Adapter $3.96
1/2" x 3/8" FIPS Adapter $2.76
1/2" x 1/2" FIPS Adapter $2.99
1/2" x 3/4" FIPS Adapter $3.82
1/2" x 1/4" MIPS Adapter $3.43
1/2" x 3/8" MIPS Adapter $2.81
1/2" x 1/2" MIPS Adapter $3.19
1/2" x 3/4" MIPS Adapter $3.94
1/2" FEMALE Flare x 1/4" MALE Flare $8.05
1/2" FEMALE Flare x 3/8" MALE Flare $8.91
1/2" FEMALE Flare x 5/8" MALE Flare $8.09
1/2" FEMALE Flare x 3/8" MIPS $8.75
1/2" FEMALE Flare x 1/2" MIPS $8.79

Budget Flaring Tool - Flares 3/16" to 5/8" Copper Tubing = $14.95

Need to seal your pipe threads? We've got you covered.
PTFE Tape (1/2" x 260" roll) - $0.79 or (1/2" x 520" roll) - $0.99
EXTRA THICK 4 MIL YELLOW Gas Line PTFE Tape (1/2" x 260" roll) - $1.59
Great White Basic Pipe Joint Compound (1 oz.) - $2.78
High Quality TU-555 Pipe Joint Compound (4 oz.) - $7.08
To ensure our customers receive fresh products, TU-555 pipe joint compounds are non-returnable.

- OR - View Cart

5/8" Flare Fittings

Description Price & Quantity
5/8" Cap $3.54
5/8" x 1/2" Swivel Nut - Female $12.97
5/8" x 5/8" Swivel Nut - Female $7.42
5/8" Flare Nut $4.75
5/8" 90° Flare Elbow $6.24
5/8" x 1/2" MIPS 90° Elbow $6.24
5/8" x 3/4" MIPS 90° Elbow $9.73
5/8" x 1/2" FIPS 90° Elbow $5.94
5/8" x 3/4" FIPS 90° Elbow $8.44
5/8" Flare Tee $9.93
5/8" x 3/8" Union $6.49
Description Price & Quantity
5/8" x 1/2" Union $4.49
5/8" Union $4.54
5/8" Plug $3.23
5/8" x 3/8" FIPS Adapter $5.45
5/8" x 1/2" FIPS Adapter $2.88
5/8" x 3/4" FIPS Adapter $4.81
5/8" x 3/8" MIPS Adapter $2.38
5/8" x 1/2" MIPS Adapter $3.91
5/8" x 3/4" MIPS Adapter $4.68
5/8" FEMALE Flare x 1/2" MALE Flare $8.19

Budget Flaring Tool - Flares 3/16" to 5/8" Copper Tubing = $14.95

Need to seal your pipe threads? We've got you covered.
PTFE Tape (1/2" x 260" roll) - $0.79 or (1/2" x 520" roll) - $0.99
EXTRA THICK 4 MIL YELLOW Gas Line PTFE Tape (1/2" x 260" roll) - $1.59
Great White Basic Pipe Joint Compound (1 oz.) - $2.78
High Quality TU-555 Pipe Joint Compound (4 oz.) - $7.08
To ensure our customers receive fresh products, TU-555 pipe joint compounds are non-returnable.

- OR - View Cart

3/4" Flare Fittings

Description Price & Quantity
3/4" Cap $9.95
3/4" x 3/4" Swivel Nut - Female $22.02
3/4" Flare Nut $6.19
Description Price & Quantity
3/4" x 1/2" MIPS Adapter $7.93
3/4" x 3/4" MIPS Adapter $5.73

Need to seal your pipe threads? We've got you covered.
PTFE Tape (1/2" x 260" roll) - $0.79 or (1/2" x 520" roll) - $0.99
EXTRA THICK 4 MIL YELLOW Gas Line PTFE Tape (1/2" x 260" roll) - $1.59
Great White Basic Pipe Joint Compound (1 oz.) - $2.78
High Quality TU-555 Pipe Joint Compound (4 oz.) - $7.08
To ensure our customers receive fresh products, TU-555 pipe joint compounds are non-returnable.

- OR - View Cart

7/8" Flare Fittings

Description Price & Quantity
7/8" Flare Nut $12.41
7/8" x 7/8" Union $17.57
Description Price & Quantity
7/8" x 3/4" MIPS Adapter $21.79

Need to seal your pipe threads? We've got you covered.
PTFE Tape (1/2" x 260" roll) - $0.79 or (1/2" x 520" roll) - $0.99
EXTRA THICK 4 MIL YELLOW Gas Line PTFE Tape (1/2" x 260" roll) - $1.59
Great White Basic Pipe Joint Compound (1 oz.) - $2.78
High Quality TU-555 Pipe Joint Compound (4 oz.) - $7.08
To ensure our customers receive fresh products, TU-555 pipe joint compounds are non-returnable.

- OR - View Cart

Special Size Flare Nuts

Description Price & Quantity
3/16" Flare Nut $0.92
7/16" Flare Nut $5.31

- OR - View Cart

Flare Fittings Related Items



Common Terms (and what they mean)
  • Flare: Compression fitting used with metal tubing, typically soft copper
  • O.D. Outside diameter of pipe
  • MIPS: Male pipe threads on the outside of fitting
  • FIPS: Female pipe threads on the inside of fitting

Tube O.D. 1/8" 3/16" 1/4" 5/16" 3/8" 7/16" 1/2" 5/8" 3/4"
Thread Size 5/16-24 3/8-24 7/16-20 1/2-20 5/8-18 11/16-16 3/4-16 7/8-14 1-1/16-14


Frequently Asked Questions

Q. "Where do you use compression versus flare fittings?"
A. We prefer flare with soft tubing over 3/8"od in size and compression fittings on all hard copper and soft tubing 3/8"od and smaller. Don't use compression fittings on gas connections at all as most codes do not allow it nor do we recommend it.

Q. "Are these flare fittings suitable for natural gas connections?"
A. Brass and copper pipe or tubing must not be used where the gas contains more than an average of 0.3 grams of hydrogen sulfide per 100 scf (standard cubic feet) of gas (0.7 mg/100) according to section 1208.5.2.3 of the 2012 Uniform Plumbing Code and section 54.5.6.2.3 of the NFPA (National Fire Protection Association) fuel gas code. Since natural gas can contain some hydrogen sulfide, these brass flare fittings are not recommended. Galvanized and black steel pipe and fittings can be used if it is standard weight Schedule 40 or thicker.

Q. "Can you provide me with a quote on other brass fittings besides the ones listed above?"
A. Sorry but what we show is what we carry/offer/stock. We do not quote prices on flare fittings that we do not stock.

Q. "Should I use PTFE thread sealing tape or pipe joint compound on my flare threads?"
A. No, you definitely should not. PTFE tape and pipe joint compound (also known as "pipe dope") should only be used on "IPS" ("iron pipe size") threads, which are normal pipe threads. IPS threads make their seal along the threads themselves; when a piece of IPS-threaded pipe is screwed into a fitting, PTFE tape and/or pipe dope is used to assist that seal on the threads. Flare fittings, on the other hand, seal on the beveled ends of the fittings, and so using pipe dope or tape on flare threads could actually prevent the fittings from making an adequate seal.

Q. "Since these are brass fittings do they contain lead?"
A. Most of these fittings do contain a very small amount of lead. Consider that for many years copper fittings and pipe were soldered together with 50% lead and now little lead may be used by law. Same with these brass fittings. There is a small amount of lead in them. The more acidic the water, the more tends to leach out. Should you be concerned? Some would argue that any amount is bad, and they would not use it for potable water. Others argue that plastics will be the new "asbestos" of the future. We don't know, and we cannot recommend these fittings for potable water; but we can say that we ourselves drink our own water from and through these fittings.

Q. "What is the flare degree of the flare fittings you offer?"
A. The fittings we offer are SAE 45° flare with the exception of the 15/16"-16 flare cap found on our Gas-related Products page. The 15/16"-16 are 45° flare, but are not SAE fittings.


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