Idex - Flat-Bottom Fittings - Flangeless Fittings

Available models

Flangeless Ferrules

Our Flangeless Ferrules are excellent for connecting most rigid or semi-rigid tubes, including tubing manufactured from fluoropolymers (FEP, PFA, ETFE, ECTFE, etc.), PEEK, or stainless steel. They are easy to use and optimally eliminates the need to flange tubing.

List of available Flangeless Ferrules

For outer diameter tubing	Thread Port Configuration Flat-Bottom	Pressure Rating Max	Material	Colour	Option for Pack
2 mm, 2.5 mm	M6 or 1/4-28	500 psi/34 bar	Genuine Tefzel™ ETFE Resin	White (2 mm), Red (2.5 mm)	-
4 mm	5/16-24	500 psi/ 34 bar	PCTFE	Natural	-
1/16 inches	1/4-28	2000 psi/138 bar	Polypropylene	Not applicable	-
1/8 inches	1/4-28	500 psi/34 bar	Genuine Tefzel™ ETFE Resin	Natural, Yellow	Pack of 10 units
1/16 inches	1/4-28	2000 psi/138 bar	Genuine Tefzel™ ETFE Resin	Natural, Blue, Red	Pack of 10 units, Red comes in a single unit only
1/16 inches	1/4-28 or 10-32	2500 psi/172 bar	Genuine Tefzel™ ETFE Resin	Natural	-
1.8 mm	M6 or 1/4-28	500 psi/34 bar	Genuine Tefzel™ ETFE Resin	Green	Pack of 10 units
3 mm	M6 or 1/4-28	500 psi/34 bar	Genuine Tefzel™ ETFE Resin	Orange	Pack of 10 units
4 mm	5/16-24	250 psi/17 bar	Genuine Tefzel™ ETFE Resin	Natural	Pack of 10 units

Flangeless Fittings

Flangeless fittings are excellent replacements for flanged fittings. Our Flangeless Fittings are designed to include both a nut and ferrule for your convenience. They are dependable, easy to use and easy to replace.

List of available Flangeless Fittings

For outer diameter tubing	Thread Port Configuration Flat-Bottom	Pressure Rating Max	Material	Head Style	Colour	Option for Pack
1/8 inches	Not applicable	Not applicable	Delrin (Lock Nut)	Not applicable	White	-
1/16 inches	1/4-28	2000 psi/138 bar	Delrin/Genuine Tefzel™ ETFE Resin	Standard Knurl	Black/Blue, Purple/Blue, Red/Blue, White/Blue, Cream/Blue, Green/Blue, Blue/Blue	-
1/8 inches	1/4-28	500 psi/34 bar	Delrin/Genuine Tefzel™ ETFE Resin	Standard Knurl	Black/Yellow, Black/Yellow (Length Style: Short), Red/Yellow, White/Yellow, Cream/Yellow, Green/Yellow, Blue/Yellow	-
3/16 inches/4 mm	5/16-24	500 psi/34 bar	Delrin/Genuine Tefzel™ ETFE Resin	Standard Knurl	White/Natural	-
1/16 inches	10-32	2000 psi/138 bar	PEEK/Tefzel (ETFE)	Not applicable	Not applicable	-
1/8 inches	5/16-24	500 psi/34 bar	PEEK/Tefzel (ETFE)	Standard Knurl	Natural/Yellow	-
3/16 inches/4 mm	5/16-24	500 psi/34 bar	PEEK/Tefzel (ETFE)	Standard Knurl	Natural/Blue	-
1/16 inches	5/16-24	2000 psi/138 bar	PEEK/Tefzel (ETFE)	Standard Knurl	Natural/Blue	-
1/16 inches	1/4-28	2000 psi/138 bar	PEEK/Tefzel (ETFE), PPS/Tefzel (ETFE)	Headless Knurl	Natural/Blue	-
1/8 inches	1/4-28	500 psi/34 bar	PEEK/Tefzel (ETFE)	Standard Knurl	Natural/Yellow	-
1/16 inches	1/4-28	2000 psi/138 bar	PEEK/Tefzel (ETFE)	Standard Knurl	Natural/Blue	-
1/8 inches	1/4-28	500 psi/34 bar	Polypropylene/Tefzel (ETFE)	Standard Knurl	Natural/Yellow	-
1/16 inches	1/4-28	2000 psi/138 bar	Polypropylene/Tefzel (ETFE)	Standard Knurl	Natural/Blue
1/16 inches	1/4-28	2000 psi/138 bar	Genuine Teflon™ PFA Resin/Genuine Tefzel™ ETFE Resin	Standard Knurl	Natural/Blue, Blue/Blue	-
1/8 inches	1/4-28	500 psi/34 bar	Genuine Teflon™ PFA Resin/Genuine Tefzel™ ETFE Resin	Standard Knurl	Natural/Yellow	-
1/4 inches, 5/16 inches	1/2-20	250 psi/17 bar	PEEK/Tefzel (ETFE)	Large Knurl	Black/Natural	-
1/8 inches	1/4-28	500 psi/34 bar	Delrin/Genuine Tefzel™ ETFE Resin	Standard Knurl	Natural/Yellow	-
1/16 inches	1/4-24	2000 psi/138 bar	Genuine Tefzel™ ETFE Resin	Standard Knurl	Blue/Blue	-
1/16 inches	1/4-28	2000 psi/138 bar	Delrin/Genuine Tefzel™ ETFE Resin	Standard Knurl	Natural/Blue	-

List of available Flangeless Short Fittings

For outer diameter tubing	Thread Port Configuration Flat-Bottom	Pressure Rating Max	Material	Head Style	Colour	Option for Pack
1/8 inches	1/4-28	500 psi/34 bar	PEEK/Tefzel (ETFE)	Standard Knurl	Natural, Natural/Yellow	Pack of 10 units (exclusively for Colour - Natural)
1/16 inches	1/4-28	2000 psi/138 bar	PEEK/Tefzel (ETFE)	Standard Knurl	Natural/Blue	Pack of 10 units
1/8 inches	1/4-28	500 psi/34 bar	Genuine Tefzel™ ETFE Resin	Standard Knurl	Not applicable	-
1/16 inches	1/4-28	2000 psi/138 bar	Genuine Tefzel™ ETFE Resin	Standard Knurl	Natural, Black	Pack of 10 units (exclusively for Colour - Black)
1/8 inches	1/4-24	500 psi/34 bar	Delrin/Genuine Tefzel™ ETFE Resin	Standard Knurl	Purple/Yellow, Black/Yellow	-

Flangeless Fittings FlushNut™

Our Flangeless FlushNut Fittings are designed to include both a nut and ferrule for your convenience. Flangeless fittings are excellent replacements for flanged fittings. Flangeless fitting are dependable, easy to use and easy to replace. FlushNuts offers the answer for those tight-space applications where nut heads often interfere with each other.

List of available Flangeless Fitting FlushNut™

For outer diameter tubing	Thread Port Configuration Flat-Bottom	Pressure Rating Max	Material	Head Style
1/16	1/4-28	2500 psi/172 bar	Stainless Steel	FlushNut
1/16	1/4-28	2000 psi/138 bar	Stainless Steel/Tefzel (ETFE)	Not applicable
1/8	1/4-28	500 psi/34 bar	Stainless Steel/Tefzel (ETFE)	Not applicable

Flangeless Nuts

This PEEK Flangeless Nut eliminates the need to flange tubing. The construction of this fitting ensures good pressure holding ability and long-term durability. It is designed for a Flat-Bottom port which is one of the most frequently used by equipment manufacturers.

List of available Flangeless Nuts

For outer diameter tubing	Thread Port Configuration Flat-Bottom	Material	Pressure Rating Max	Head Style	Colour	Option for Pack
1/16 inches	10-32	PEEK (LiteTouch®)	Not applicable	Not applicable	Not applicable	-
3/16 inches	5/16-24	Delrin	Not applicable	Not applicable	Natural	-
1/8 inches	1/4-28	Delrin	Not applicable	Not applicable	Purple	-
1/16 inches	5/16-24	PEEK	Not applicable	Not applicable	Natural, Black	-
1/16 inches	1/4-28	PEEK	Not applicable	Standard Knurl	Natural, Black	-
1/16 inches to 1/32 inches	M6	PEEK	Not applicable	Standard Knurl	Black	-
1/8 inches	1/4-28	PEEK	Not applicable	Not applicable	Natural, Blue, Green, Orange, Red, Yellow	Pack of 10 units (exclusively for Colour - Natural)
1/8 inches	M6	Genuine Teflon™ PFA Resin	Not applicable	Not applicable	Black	-
1/16 inches	1/4-28	Genuine Teflon™ PFA Resin	Not applicable	Standard Knurl	Natural	-
1/16 inches	M6	Genuine Teflon™ PFA Resin	Not applicable	Standard Knurl	Black	-
1/8 inches	1/4-28	Genuine Teflon™ PFA Resin	500 psi/34 bar	Standard Knurl	Natural	Pack of 10 units
1/8 inches	1/4-28	Polypropylene	Not applicable	Not applicable	Natural, Black, Blue, Green, Orange, Red, Yellow	-
1/8 inches	M6	Genuine Tefzel™ ETFE Resin	Not applicable	Not applicable	Natural	-
1/8 inches	1/4-28	Genuine Tefzel™ ETFE Resin	Not applicable	Standard Knurl	Yellow, Red, Green, Black, Blue, Natural	-
1/16 inches	M6	Genuine Tefzel™ ETFE Resin	Not applicable	Standard Knurl	Black, Yellow	Pack of 10 units (exclusively for Colour - Black)
1/16 inches	1/4-28	Genuine Tefzel™ ETFE Resin	Not applicable	Standard Knurl	Yellow, Red, Green, Black, Natural, Blue	-
1/16 inches	M6	PPS	Not applicable	Headless Knurl	Natural	-
1/16 inches	1/4-28	PPS	Not applicable	Headless Knurl	Natural	-

List of available Flangeless Male Nuts

For outer diameter tubing	Thread Port Configuration Flat-Bottom	Material	Pressure Rating Max	Head Style	Colour	Option for Pack
1/16 inches	1/4-28	Delrin	Not applicable	Standard Knurl	Black, Red, White, Cream, Green, Blue, Purple	Pack of 10 units (exclusively for Colour - Red)
1/8 inches	1/4-28	Delrin	Not applicable	Not applicable	Black, Red, White, Cream, Green, Blue	Pack of 10 units (exclusively for Colour - Black, Green)
1/16 inches	1/4-28	Polypropylene	Not applicable	Standard Knurl	Natural, Blue, Black, Green, Orange, Red, Yellow	-
1/16 inches	M6	Delrin	Not applicable	Standard Knurl	Black, Black (Length Style: Short)	-

List of other available Flangeless Nuts (including Short Nuts, Short Male Nuts and Extra Long Nuts)

For outer diameter tubing	Thread Port Configuration Flat-Bottom	Material	Pressure Rating Max	Head Style	Length Style	Colour	Option for Pack
1/16 inches	1/4-28	PEEK	Not applicable	Headless Knurl	Short	Not applicable	-
1/8 inches	1/4-28	PEEK	500 psi/34 bar	Headless Knurl	Short	Natural	-
1/16 inches	1/4-28	Delrin	Not applicable	Standard Knurl	Short	Black, White	-
1/8 inches	1/4-28	Delrin	Not applicable	Not applicable	Short	Black, White	-
1/8 inches	1/4-28	Genuine Tefzel™ ETFE Resin	Not applicable	Not applicable	Extra Long	Not applicable	-
1/16 inches	1/4-28	Delrin/Genuine Tefzel™ ETFE Resin	Not applicable	Standard Knurl	Extra Long	Blue, Natural	-
1/16 inches	1/4-28	Genuine Tefzel™ ETFE Resin	Not applicable	Standard Knurl	Short	Natural, Blue, Black, Green, Red	-
1/8 inches	1/4-28	Genuine Tefzel™ ETFE Resin	Not applicable	Standard Knurl	Short	Red, Yellow, Natural, Blue, Black, Green	-
1/8 inches	1/4-28	PEEK	Not applicable	Not applicable	Short	Natural, Blue, Green, Orange, Red, Yellow	Pack of 10 units (exclusively for Colour - Natural)
1/16 inches	1/4-28	PEEK	Not applicable	Not applicable	Short	Natural, Blue	Pack of 10 units (exclusively for Colour - Natural)
1/8 inches to 1.8 mm (also fits for 2.0 mm and 3.0 mm)	M6	PEEK	500 psi/34 bar	Not applicable	Short	Blue, Black	Pack of 10 units