Introduction

FAV is Manufacturer and Exporter of Compression Straight Union.  Our tubing unions are part of double ferrule fittings range . FAV Tube fittings range are most complete with availability of Straight , Elbows , 45 degree Elbows ,Tee , Cross in Tube OD and Pipe Connections . With widest possible sizes , material and threading coverage you can get any type of double ferrule fittings at FAV . Compression fitting ferrule is one of the best way to connect tubes.

Material Availability

Straight Union are available in Stainless Steel 304 ( SS 304 ), Stainless Steel 316 ( SS

316) ,  Brass ( Grade IS 319 ), Carbon Steel, Titanium Grade 2 Fittings ( Ti Gr 2), Monel 400 , Monel 500 , Hastelloy C 276, Incoloy 800 ( Alloy 800 ), Inconel 600, Inconel 625 , Inconel 825, Duplex 2205 and Super Duplex 32750 . Most common are Stainless Steel ferrule fittings tubing Union Straight.

For Dedicated page on Titanium Fittings Union Straight click here

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

Along with Stainless Steel, Titanium Gr 2 and Duplex grade unions are most common.

Purpose of  Straight Union Double Ferrule Fittings

To connect two straight pipes or tubes with assembly of Nut and Ferrule . Ferrules bites onto the pipes/tubes providing a leak proof connection . It has a straight shape so connection is straight . Straight Unions has double ferrule or twin ferrule on both sides .

Straight Union Compression fitting

Straight union double ferrule fittings

Straight Union Double Ferrule Fittings

We make straight union ferrule fittings

Size Availability  

Tube options

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

Straight Union in OD Tube Imperial (inches)

 

PART No.0D1 Imperial0DF HexA InchL InchH mm
FCF/U/1I1/160.055/160.340.9919.7
FCF/U/2I1/80.097/160.501.4026.1
FCF/U/3I3/160.127/160.541.4726.1
FCF/U/4I1/40.191/20.601.6127.1
FCF/U/5I5/160.259/160.641.6930.3
FCF/U/6I3/80.285/80.661.7730.3
FCF/U/8I1/20.4113/160.902.0231.5
FCF/U/10I5/80.5015/160.962.0531.5
FCF/U/12I3/40.621-1/160.962.1132.5
FCF/U/14I7/80.721-3/161.022.1735.9
FCF/U/16I10.881-3/81.232.5540.9
FCF/U/20I1-1/41.041-7/81.623.6348.00
FCF/U/24I1-1/21.342-1/41.974.2553.60
FCF/U/32I21.8132.665.8874.70

Straight Union in OD Tube Metric (mm)

 

PART No.0D1 Metric0DF HexA mmL mmH mm
FCF/U/2M21.71012.935.626.6
FCF/U/3M32.41012.935326.6
FCF/U/4M42.41013.737.327.6
FCF/U/6M64.813414127.6
FCF/U/8M86.41443.243.230.8
FCF/U/10M107.91746.246.231
FCF/U/12M129.520.551.251.232
FCF/U/14M141124525232.8
FCF/U/15M1511.9245252 032.8
FCF/U/16M1612.724525232.8
FCF/U/18M1815.12753.553.533.3
FCF/U/20M2015.930555535
FCF/U/22M2218.330555536.4
FCF/U/25M2521.835656541.4
FCF/U/28M2821.846858543.4
FCF/U/30M3026.25092.792.743.4
FCF/U/32M3228.65097.397.351.8
FCF/U/38M3833.760113.6113.658.4
FCF/U/50M5045.275145.8145.8145.8

Why buy FAV make Straight Union ?

  1. Competitive pricing and fast delivery . We keep spare Nut and Ferrules in stock plus common sizes of Straight Unions.
  2. Easy installation design and procedure – Double Ferrule a Nut provides to most easy installation procedure .
  3. Nuts are silver plated on both sides of our Tube Unions
  4. Ferrules are annealed to provide amazing biting performance
  5. Except for the ferrules all other components provide easy re-usability option
  6. Our ferrule 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 3000 psi to 6000 psi. On special cases we do undertake 10000 psi .

Industry Applications

Straight Unions are used wherever there are tubes/pipes. Therefore application is widespread with industries including chemical, oil and gas, petroleum, power generation, pulp & paper, shipping and marine, fertilizers. Almost any industry which has tubes involvement require our range of ferrule fittings.

Some Common Sizes for SS Compression Fittings Straight Union are

  1. FAV Stainless Steel 316 Straight Union 1/8” OD tubing
  2. FAV SS 316 Union Straight 1/4” OD tube
  3. FAV SS 304 Straight Union 3/8” OD tubing
  4. FAV Stainless Steel 316 Straight Unions 1/2” OD nut ferrule
  5. FAV SS316 Instrument Straight Union 3/4” OD pipe
  6. FAV SS Straight Union 1” OD Compression
  7. FAV 316 SS Straight Unions 6 mm OD Tube
  8. FAV 304 SS Straight Coupling 8 mm OD Diameter Tube
  9. FAV SS 316 Straight Union 10 mm OD Instrument Tube
  10. FAV SS 316 Ferrule Union 12 mm Ferrule Tube
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