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Simple, straightforward and low shipping rates for these flare fittings.



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 are dealing with high gas distribution, and 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.

Browse through our great selection of flare fittings or click on any of the links directly below to jump to that section





Flare Caps
Cap
Cap Size Price & Quantity
1/4" $1.03
3/8" $1.27
1/2" $1.80
5/8" $4.54
*15/16" $9.29
* - These fittings are made of steel

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Swivel Nuts - Female Flare x Female Flare (Union)
Swivel Nut
Nut Size Price & Quantity
1/4" x 1/4" $8.73
5/16" x 5/16" $11.05
3/8" x 3/8" $6.91
3/8 x 1/4" $12.93
1/2" x 1/2" $6.95
1/2" x 3/8" $14.01
5/8" x 5/8" $12.22
5/8" x 1/2" $15.97
3/4" x 3/4" $17.02

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Flare Nuts
Nut
Nut Size Price & Quantity
3/16" $0.94
1/4" $0.77
5/16" $2.23
3/8" $5.31
7/16" $5.33
1/2" $1.74
5/8" $1.98
3/4" $2.26
7/8" $17.31

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90° Flare Fitting
90 Degree Flare
Flare Size Price & Quantity
3/8" $3.46
1/2" $4.15
5/8" $6.94

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Flare x Mips 90° Fitting
Flare x Mips 90
Flare Size Price & Quantity
1/4" x 1/8" Mips use lead free
1/4" x 1/4" Mips use lead free
1/4" x 3/8" Mips $3.25
3/8" x 1/4" Mips $3.31
3/8" x 3/8" Mips $3.50
3/8" x 1/2" Mips use lead free
1/2" x 3/8" Mips use lead free
1/2" x 1/2" Mips use lead free
1/2" x 3/4" Mips $10.37
5/8" x 1/2" Mips $6.84
5/8" x 3/4" Mips $10.33

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Need to seal your pipe threads? Click here for PTFE tape and pipe dope.




90° Flare x Fips Fittings
Flare x Fips 90
Flare Size Price & Quantity
3/8" x 3/8" Fips $4.80
3/8" x 1/2" Fips $6.55
3/8" x 3/4" Fips $8.32
1/2" x 3/8" Fips $6.94
1/2" x 1/2" Fips $7.20
1/2" x 3/4" Fips $7.12
5/8" x 1/2" Fips $8.30
5/8" x 3/4" Fips $12.44

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Need to seal your pipe threads? Click here for PTFE tape and pipe dope.




Flare Tee's
Tee
Tee Size Price & Quantity
1/4" $3.46
1/4" x 1/4" IPS $6.89
3/8" $4.87
1/2" x 3/8" $6.89
1/2" $6.86
5/8" $10.03

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Flare Unions
Union
Union Size Price & Quantity
* 1/4" $7.33
3/8" x 1/4" $3.24
3/8" $2.08
1/2" x 3/8" $3.12
1/2" $2.73
5/8" x 3/8" $4.49
5/8" x 1/2" $4.47
5/8" $4.45
* lead free model

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Flare Plugs
Plug
Plug Size Price & Quantity
1/4" $2.33
3/8" $2.49
1/2" $3.08
5/8" $4.93

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

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Flare x Fips Adapters
Flare x Fips Adapter
Adapter Size Price & Quantity
1/4" x 1/8" Fips $1.37
1/4" x 1/4" Fips $2.01
1/4" x 1/2" Fips $4.86
5/16" x 1/4" Fips $3.07
3/8" x 1/4" Fips $1.89
3/8" x 3/8" Fips $2.59
3/8" x 1/2" Fips use lead-free
Adapter Size Price & Quantity
3/8" x 3/4" Fips $4.86
1/2" x 1/4" Fips $3.66
1/2" x 3/8" Fips $2.75
1/2" x 1/2" Fips $3.00
1/2" x 3/4" Fips $4.42
5/8" x 1/2" Fips $4.18
5/8" x 3/4" Fips $4.82

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Need to seal your pipe threads? Click here for PTFE tape and pipe dope.




Flare x Mips Adapters
Flare x Mips Adapter
Adapter Size Price & Quantity
1/4" x 1/8" Mips $1.36
1/4" x 1/4" Mips use lead free
1/4" x 3/8" Mips $2.07
1/4" x 1/2" Mips $2.59
5/16" x 1/4" Mips $2.79
3/8" x 1/8" Mips use lead free
3/8" x 1/4" Mips $1.72
3/8" x 3/8" Mips use lead free
3/8" x 1/2" Mips $2.10
3/8" x 3/4" Mips $4.51
Adapter Size Price & Quantity
1/2" x 1/4" Mips $3.10
1/2" x 3/8" Mips $2.80
1/2" x 1/2" Mips $3.30
1/2" x 3/4" Mips $4.94
5/8" x 3/8" Mips $4.22
5/8" x 1/2" Mips $3.81
5/8" x 3/4" Mips $4.78
3/4" x 1/2" Mips $7.63
3/4" x 3/4" Mips $7.73

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Need to seal your pipe threads? See below for PTFE tape and pipe dope.




Special - FEMALE Flare x MALE Flare
female flare by male flare
Adapter Size 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 3/8" MALE Flare $8.91
5/8" FEMALE Flare x 1/2" MALE Flare $8.19

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Special - FEMALE Flare x MIPS
female flare x male iron pipe threads
Adapter Size Price & Quantity
1/4" FEMALE Flare x 1/4" MIPS $6.88
3/8" FEMALE Flare x 1/4" MIPS $7.56
1/2" FEMALE Flare x 3/8" MIPS $8.14
1/2" FEMALE Flare x 1/2" MIPS $8.79

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UNIQUE - Compression x FLARE Adapter

Description Price & Quantity
1/4" OD Compression x 1/4" Male Flare $2.95

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Flare x Mips Angled Needle Valves

Example of a brass needle valve with flare x mips connections
Description Price & Quantity
1/4" Flare x 1/8" Mips $11.66
5/16" Flare x 1/8" Mips $17.51
5/16" Flare x 1/4" Mips $15.38
3/8" Flare x 1/4" Mips $16.42

Order 10, 100, 500 or more of the same item for additional savings!
Pricing discounts will show up in your shopping cart.

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Flare x Mips Straight Needle Valves

photo of a straight style brass needle valve - flare x mips
Description Price & Quantity
1/4" Flare x 1/8" Mips $13.48
1/4" Flare x 1/4" Mips $18.56
3/8" Flare x 1/4" Mips $20.45

Order 10, 100, 500 or more of the same item for additional savings!
Pricing discounts will show up in your shopping cart.

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Flare x Flare Straight Needle Valves

Photo of a straight style brass needle valve - flare x flare
Description Price & Quantity
1/4" Flare x 1/4" Flare $9.21
3/8" Flare x 3/8" Flare $13.19
Order 10, 100, 500 or more of the same item for additional savings!
Pricing discounts will show up in your shopping cart.

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Budget Flaring Tool
flare tool Features:
  • Flares six sizes 3/16" - 5/8" copper tubing
Budget Flaring Tool = $14.95

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Thread sealants (IPS threads)
Product Description Price & Quantity
PTFE thread sealing tape PTFE thread sealing tape 1/2" x 260" roll $0.49
1/2" x 520" roll $0.74
1 oz. pipe dope 1 oz. Great White Basic Pipe Joint Compound
- Small, convenient tube
- Great for most plastics and metals
$2.78
Thread Sealing Compound 4 oz. High Quality TU-555 Pipe Joint Compound
- Available in larger sizes, too
- Great for most plastics and metals


Order 12, 24 or 48 of this item for additional savings!
Pricing discounts will show up in your shopping cart.
$7.08

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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

sizes are O.D. (outside diameter of pipe)

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. "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. The 15/16-16 are 45° flare, but are not SAE fittings.

Q. "Why do you only offer a 15/16" flare cap and no other 15/16"flare fittings?"
A. The 15/16" - 16 thread flare fitting is used strictly for natural and propane flexible gas connectors and not for water or with fittings used in automobiles. Up until the 1980's, 5/8" O.D. SAE (Society of Automotive Engineer) standardized flare fittings were used for natural gas and propane flexible gas connections. 5/8" O.D. SAE Flare fittings were too close in size to 1/2" iron pipe size (IPS) fittings and pipe nipples. Because of this, 1/2" IPS nipples were often being used to connect to 5/8" O.D. SAE Flare fittings and flexible gas connectors which then would not properly seal and could and would cause a small gas leak. Because of this safety problem the American gas industry implemented the 15/16'' - 16 thread flare fitting to be used on 5/8" O.D. (outside diameter) tubing. This is why we state in one of our FAQ's, "The fittings we offer are SAE 45° flare with the exception of the 15/16-16. The 15/16-16 are 45° flare, but are not SAE fittings".



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