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Inverted Flared Fittings

Built to resist mechanical pullout. These economical fittings can be assembled and disassembled repeatedly, and interchange with other manufacturers' fittings.

Applications:
Use with copper, brass, aluminum and welded steel hydraulic tubing that can be flared. Especially useful for hard-to-hold liquids and gases. Used for truck and automotive applications.

Table of Contents For common features, see General specifications, below
Nut	Steel Nut	Tube Union

Female Connector	Male Connector	Male Elbow	45º Elbow

General Specifications

Working Pressure Ranges: Temperature and type of tubing used are important factors. However, this table is a good guide for proper selection.

Tube O.D.(in.)	1/8	3/16	1/4	5/16	3/8	1/2	5/8	3/4
PSI	2800	1900	1400	1200	1000	750	650	550
* Based on temperature of 73ºF with copper tubing.

Temperature Ranges: From -65º to +250ºF

Vibration: Will withstand minimal vibration movements.

For Assembly Instructions, see chart below.

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Detailed parts availability:

Tube Size	Stock no.	Price	Stock no.	Price	Stock no.	Price
	Nut		Steel Nut		Tube Union

1/8	41IF-2	1.35
3/18	41IF-3	0.48	41FS-3	0.48
1/4	41IF-4	0.50	41FS-4	0.56	42IFHD-4	1.11
5/16	41IF-5	0.62	41FS-5	0.95	42IFHD-5	1.71
3/8	41IF-6	0.99	41FS-6	1.14
1/2	41IF-8	1.74	41FS-8	1.70

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Tube Size	Pipe Thread	Stock no.	Price	Stock no.	Price	Stock no.	Price	Stock no.	Price
		Female Connector		Male Connector		Male Elbow		45º Elbow

1/8	1/8			48IFHD-2-2	1.06	249IFHD-2-2	2.01
3/16	1/8	46IFHD-3-2	1.47	48IFHD-3-2	0.80	249IFHD-3-2	1.32	259IFHD-3-2	3.94
1/4	1/8	46IFHD-4-2	1.54	48IFHD-4-2	0.68	249IFHD-4-2	1.41	259IFHD-4-2	2.60
1/4	1/4			48IFHD-4-4	1.12	249IFHD-4-4	2.33
5/16	1/8	46IFHD-5-2	1.85	48IFHD-5-2	0.86	249IFHD-5-2	1.60	259IFHD-5-2	2.95
5/16	1/4			48IFHD-5-4	1.19	249IFHD-5-4	2.11	259IFHD-5-4	3.30
3/8	1/8			48IFHD-6-2	2.05
3/8	1/4					249IF-6-4*	2.84
3/8	1/4	46IFHD-6-4	3.08	48IFHD-6-4	1.81	259IFHD-6-4	3.38	249IFHD-6-4	2.58
3/8	3/8			48IFHD-6-6	1.95	249IFHD-6-6	3.41
1/2	1/4			48IFHD-8-4	6.14	249IFHD-8-4	4.66
1/2	3/8					249IF-8-6*	3.97
1/2	3/8	46IFHD-8-6	4.21	48IFHD-8-6	2.80	249IFHD-8-6	3.80
* Light Duty Series

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Assembly Instructions
1. Cut tubing squarely and clean tube end thoroughly to remove burrs. 2. Place nut onto tube. Place threaded end of nut toward end of tube. 3. On thin wall copper, welded or brazed tubing, use double flare to prevent pinch-off or cracked flares. 4. Clamp tube flare between nut and nose of fitting body by screwing nut on finger tight . Tighten with a wrench an additional 1/4 turn for a metal-to-metal seal.

Assembly Instructions

1. Cut tubing squarely and clean tube end thoroughly to remove burrs.
2. Place nut onto tube. Place threaded end of nut toward end of tube.
3. On thin wall copper, welded or brazed tubing, use double flare to prevent pinch-off or cracked flares.
4. Clamp tube flare between nut and nose of fitting body by screwing nut on finger tight . Tighten with a wrench an additional 1/4 turn for a metal-to-metal seal.

For more information or technical assistance, call us at 1 (800) 447-4409, or send e-mail to sales@phionline.com.