Introduction

FAV is manufacturer and exporter of Compression Reducing Union.  Our tubing unions are part of double ferrule fittings range. FAV Tube fittings range are most complete with availability of Tee Union, Elbow Union, 45 degree Elbow Union, 45 deg Elbow Connector OD x Male, Cross Union 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. SS ferrule fittings ferrule is one of the best way to connect tubes.

Material Availability  

Union Reducing are available in Stainless Steel 304 (SS 304), SS 316 (Stainless Steel 316) , Brass (Grade IS 319 ), Carbon Steel, Titanium Grade 2 Fittings (Ti Gr 2) , Monel 400 , Monel 500 , Inconel 600, Inconel 625 , Inconel 825, Duplex 2205 and Super Duplex 32750, Hastelloy C 276, Incoloy 800 ( Alloy 800 ). Most common are Stainless Steel ferrule fittings tubing Reducing Union.

For Dedicated page on Titanium Fittings Reducing Union click here.

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

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

Purpose of Union Reducing

To connect two straight pipes or tubes with assembly of Nut and Ferrule of 2 different sizes. Ferrules bites onto the pipes/tubes providing a leak proof connection. It has a straight shape so connection is straight. Reducing Union has double ferrule or twin ferrule on both sides.

Reducing Union SS ferrule fittings

Union Reducing double ferrule fittings

Reducing Union double ferrule fittings

We make Reducing Union

Size Availability

Tube options

Union Reducing 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.

REDUCING UNION (OD Tube Imperial)

                                                 IMPERIAL
PART No.0D1 Inch0D2 Inch0D InchF HexA Incha InchL InchH mm
FCF/RU/2-1I1/81/160.057/160.500.341.2220.60
FCF/RU/3-1I3/161/160.057/160.540.301.2721.84
FCF/RU/3-2I3/161/80.097/160.540.501.4423.36
FCF/RU/4-1I¼1/160.05½0.600.341.3523.11
FCF/RU/4-2I¼1/80.09½0.600.501.5221.63
FCF/RU/4-3I¼3/160.12½0.600.541.5525.40
FCF/RU/5-2I5/161/80.099/160.640.501.5625.90
FCF/RU/5-4I5/16¼0.199/160.640.601.6627.43
FCF/RU/6-1I3/81/160.055/80.660.341.4425.40
FCF/RU/6-2I3/81/80.095/80.660.501.6126.92
FCF/RU/6-4I3/8¼0.195/80.660.601.7028.44
FCF/RU/6-5I3/85/160.255/80.660.641.7429.46
FCF/RU/8-2I½1/80.0913/160.90.501.7828.44
FCF/RU/8-4I½¼0.1913/160.90.601.8529.46
FCF/RU/8-6I½3/80.2813/160.90.661.9130.98
FCF/RU/10-6I5/83/80.2815/160.960.661.9431.75
FCF/RU/10-8I5/8½0.4115/160.960.902.0531.75
FCF/RU/12-4I¾¼0.191-1/160.960.601.9431.75
FCF/RU/12-16I¾3/80.281-1/160.960.662.0033.27
FCF/RU/12-8I¾½0.411-1/160.960.902.1133.27
FCF/RU/12-10I¾5/80.501-1/160.960.962.1133.27
FCF/RU/16-8I1½0.411-3/81.230.902.3840.89
FCF/RU/12-4I13/40.621-3/81.230.962.3840.38

REDUCING UNION (OD Tube Metric)

PART No.0D1 mm0D2 mm0D mmF HexA mma mm
FCF/RU/3-2M321.71212.912.9
FCF/RU/6-2M621.71415.312.9
FCF/RU/6-3M632.41415.312.9
FCF/RU/6-4M642.41415.313.7
FCF/RU/8-6M864.81616.215.3
FCF/RU/10-6M1064.81917.215.3
FCF/RU/10-8M1086.41917.216.2
FCF/RU/12-6M1264.82222.815.3
FCF/RU/12-8M1286.42222.816.2
FCF/RU/12-10M12107.92222.817.2
FCF/RU/16-10M16107.92524.417.2
FCF/RU/16-12M16129.52524.422.8
FCF/RU/18-12M18129.53024.422.8
FCF/RU/25-18M251815.13831.324.4
FCF/RU/25-20M252015.93831.326
FCF/RU/30-18M301815.15039.624.4
FCF/RU/30-20M302015.95039.626
FCF/RU/30-25M302521.85039.631.3
FCF/RU/32-18M321815.1504224.4
FCF/RU/32-20M322015.9504226

Why buy FAV make Reducing Unions?

  1. Competitive pricing and fast delivery. We keep spare Nut and Ferrules in stock plus common sizes of Union Reducing.
  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 double 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 SS 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

Reducing Unions are used wherever there are tubes/pipes. Therefore application is widespread with industries including Solar Power, Construction, Oil & Gas Pipeline Construction, Chemical, oil and gas, power generation, shipping and marine, fertilizers. Almost any industry which has tubes involvement require our range of double ferrule fittings.

Some Common Sizes for SS Compression Fittings Reducing Union are

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