Introduction

FAV is manufacturer and exporter of Compression Tube Nut.  Our tubing unions are part of double ferrule fittings range. FAV Tube fittings range are most complete with availability of Male Bulkhead Connector, Bulkhead Union, Accessories and Spares, Nut, Double Ferrule, Port Connector Female, Port Connector Male, Cap, Tube Plug, Female Adaptor in Tube OD and Pipe Connections. With widest possible sizes, material and threading coverage you can get any type of stainless steel ferrule fittings at FAV. Double ferrule compression fittings is one of the best way to connect tubes.

Material Availability

Tube Nut are available in Titanium Grade 2 Fittings (Ti Gr 2), Monel 400, Monel 500, Inconel 600, Inconel 625, SS 304 (Stainless Steel 304), Stainless Steel 316 (SS 316), Inconel 825, Brass (Grade IS 319), Carbon Steel, Hastelloy C276, Incoloy 800 (Alloy 800), Duplex 2205 and Super Duplex 32750. Most common are Stainless Steel ferrule fittings tubing Nut.

For Dedicated page on Titanium Fittings Nut click here.

For Dedicated page on Duplex 2205 Fittings and Super Duplex 32750 Fittings Nut click here.

Along with Stainless Steel, Hastelloy C 276, Inconel 600 grade unions are most common.

Purpose of Tube Nut

Nut provides a leak fitted seal for high pressure, shaking, and vacuum in gas or liquid applications. When the appropriate nut is winded on the tube, then the ferrules get defaced to produce a strong seal. It is usually of metal, with a hole in the centre having internal or female, threads that fit on the male threads of an associated bolt or screw.

Tube Nut stainless steel ferrule fittings

Nut double ferrule fittings

Tube Nut Double ferrule compression fittings

We make Nut ferrule fittings

Size Availability

Tube options

Tube Nut ferrule fittings are available in Union Double Ferrule Compression Tube from 1/16″ to 2″ OD Tube and 3mm OD Tube to 50mm OD Tube with Double Ferrule &  Nut .

Nut Double ferrule fittings (Tube OD ) Imperial (inches)

IMPERIAL
PART No.0D1 ImperialF HexL Inch
FCF/FN/1I1/165/160.31
FCF/FN/2I1/87/160.47
FCF/FN/3I3/161/20.47
FCF/FN/4I1/49/160.50
FCF/FN/5I5/165/80.53
FCF/FN/6I3/811/160.56
FCF/FN/8I1/27/80.69
FCF/FN/10I5/810.69
FCF/FN/12I3/41-1/80.69
FCF/FN/14I7/81-1/40.69
FCF/FN/16I11-1/20.81
FCF/FN/20I1-1/41-7/81.25
FCF/FN/24I1-1/22-1/41.50
FCF/FN/32I232.06

Nut Double ferrule fittings (Tube OD ) Metric (mm)

METRIC
PART No.0D1 MetricF HexL mm
FCF/FN/2M21211.9
FCF/FN/3M31211.9
FCF/FN/4M41211.9
FCF/FN/6M61412.7
FCF/FN/8M81613.5
FCF/FN/10M101915.1
FCF/FN/12M122217.4
FCF/FN/14M142517.4
FCF/FN/15M152517.4
FCF/FN/16M162517.4
FCF/FN/18M183017.4
FCF/FN/20M203217.4
FCF/FN/22M223217.4
FCF/FN/25M253820.6
FCF/FN/28M284630.6
FCF/FN/30M305032.7
FCF/FN/32M325034.4
FCF/FN/38M386040.6
FCF/FN/50M503 in52.3

Why buy FAV make Tube Nut?

  1. Competitive pricing and fast delivery. We keep spare Nut and Ferrules in stock plus common sizes of Nut.
  2. Easy installation design and procedure – Double Ferrule Nut provides to most easy installation procedure.
  3. Nuts are silver plated on both sides of our stainless steel ferrule fittings
  4. Ferrules are annealed to provide amazing biting performance
  5. Except for the ferrules all other components provide easy re-usability option
  6. Our Double ferrule compression fittings do not twist the tube during installation
  7. Heat Number traceability on the body insures right quality of raw material. MTC 3.1 and NACE certification available on request
  8. Standard range from 200 bar to 700 bar.

Industry Applications for Nut Double ferrule fittings

Tube Nut are used wherever there are tubes/pipes. Therefore application is widespread with industries including Mining, Wind Power, Solar Power, Construction, Oil & Gas Pipeline Construction, Industrial Building Construction, Aircraft, Engine & Parts Manufacturing. Almost any industry which has tubes involvement require our range of stainless steel ferrule fittings.

Some Common Sizes for SS Compression Fittings Nut are

  1. FAV SS 304 Nut 1/8” OD tubing
  2. FAV Stainless Steel 316 Tube Nut 1/4” OD tubing
  3. FAV SS 316 Nut 3/8” OD tube
  4. FAV Stainless Steel 304 Tube Nut 1/2” OD tubing
  5. FAV Stainless Steel 316 Nut 3/4” OD nut ferrule
  6. FAV SS316 Instrument Tube Nut 1” OD pipe
  7. FAV 316 SS Nut 6mm OD
  8. FAV 304 SS Tube Nut 8mm OD Diameter Tube
  9. FAV SS 316 Nut 10mm OD instrument Tube
  10. FAV SS316 Tube Nut 12mm OD Ferrule Tube
  11. FAV SS Nut 14mm OD Compression
  12. FAV SS Tube Nut 16mm OD Compression
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