FERRON Paslanmaz Phone: +90 216 755 29 25 ferronpaslanmaz.com/en/product/reducing-union/
Instrumentation Fittings Unions
Reducing Union
Product code FGRU
Union joining two tubes of different OD on a common axis, with double-ferrule ends.
- Material
- AISI 316 / 316L
- Connection system
- Double ferrule
- Tube sizes
- Metric 3–38 mm · Inch 1/8″–1″
- Material and standard are confirmed in writing in the quote
- Reply with stock status and lead time
Description
About the product
This product is supplied for tube ODs of metric 3–38 mm and inch 1/8″–1″; the code and dimensions of each size are given in the dimension table below.
How to read the product code
In the code the tube OD is given in sixteenths of an inch (08 = 1/2″), metric tubes in mm with the letter M (6M = 6 mm); thread letter N: NPT, R: BSPT, B: BSPP, S: SAE (UN).
Dimensions are for reference. When requesting a quote, simply state the product code or the tube OD (and the thread size for threaded connections).
Dimensions
Size chart
Sizes are in mm and weights in kg/piece. Just enter the size you need in the quote form.
Metric
| Code | A Tube OD, mm | A1 2nd tube OD, mm | D Bore (min.), mm | W Hex across flats, mm | L Overall length, mm | N Body length, mm | I Tube insertion depth, mm | I1 Tube insertion depth (2nd end), mm |
|---|---|---|---|---|---|---|---|---|
| FGRU-3M-2M | 3 | 2 | 1.7 | 12 | 35.3 | 22.1 | 12.9 | 12.9 |
| FGRU-6M-2M | 6 | 2 | 1.7 | 14 | 38.6 | 24.6 | 15.3 | 12.9 |
| FGRU-6M-3M | 6 | 3 | 2.4 | 14 | 38.6 | 24.6 | 15.3 | 12.9 |
| FGRU-6M-4M | 6 | 4 | 2.4 | 14 | 39.4 | 25.4 | 15.3 | 13.7 |
| FGRU-8M-6M | 8 | 6 | 4.8 | 15 | 42.3 | 27.4 | 16.2 | 15.3 |
| FGRU-10M-6M | 10 | 6 | 4.8 | 18 | 44.5 | 29.5 | 17.2 | 15.3 |
| FGRU-10M-8M | 10 | 8 | 6.4 | 18 | 45.1 | 30 | 17.2 | 16.2 |
| FGRU-12M-6M | 12 | 6 | 4.8 | 22 | 47 | 29.5 | 22.8 | 15.3 |
| FGRU-12M-8M | 12 | 8 | 6.4 | 22 | 47.8 | 30.2 | 22.8 | 16.2 |
| FGRU-12M-10M | 12 | 10 | 7.9 | 22 | 48.7 | 31 | 22.8 | 17.2 |
| FGRU-16M-10M | 16 | 10 | 7.9 | 24 | 49.5 | 31.8 | 24.4 | 17.2 |
| FGRU-16M-12M | 16 | 12 | 9.5 | 24 | 52 | 31.8 | 24.4 | 22.8 |
| FGRU-18M-12M | 18 | 12 | 9.5 | 27 | 53.5 | 33.3 | 24.4 | 22.8 |
| FGRU-25M-18M | 25 | 18 | 15.1 | 35 | 61 | 38.6 | 31.3 | 24.4 |
| FGRU-25M-20M | 25 | 20 | 15.9 | 35 | 62.3 | 39.9 | 31.3 | 26 |
| FGRU-38M-20M | 38 | 20 | 15.9 | 55 | 87.5 | 49.8 | 49.4 | 26 |
| FGRU-38M-25M | 38 | 25 | 21.8 | 55 | 95.4 | 55.5 | 49.4 | 31.3 |
Inch
| Code | A Tube OD, inch | A1 2nd tube OD, inch | D Bore (min.), mm | W Hex across flats, inch | L Overall length, mm | N Body length, mm | I Tube insertion depth, mm | I1 Tube insertion depth (2nd end), mm |
|---|---|---|---|---|---|---|---|---|
| FGRU-02-01 | 1/8″ | 1/16″ | 1.27 | 7/16″ | 30.98 | 20.57 | 12.7 | 8.6 |
| FGRU-03-01 | 3/16″ | 1/16″ | 1.27 | 7/16″ | 32.26 | 21.84 | 13.7 | 8.6 |
| FGRU-03-02 | 3/16″ | 1/8″ | 2.28 | 7/16″ | 36.57 | 23.36 | 13.7 | 12.7 |
| FGRU-04-01 | 1/4″ | 1/16″ | 1.27 | 1/2″ | 34.29 | 23.11 | 15.2 | 8.6 |
| FGRU-04-02 | 1/4″ | 1/8″ | 2.28 | 1/2″ | 38.6 | 24.63 | 15.2 | 12.7 |
| FGRU-04-03 | 1/4″ | 3/16″ | 3.04 | 1/2″ | 39.37 | 25.4 | 15.2 | 13.7 |
| FGRU-05-02 | 5/16″ | 1/8″ | 2.28 | 9/16″ | 39.62 | 25.65 | 16.2 | 12.7 |
| FGRU-05-04 | 5/16″ | 1/4″ | 4.82 | 9/16″ | 42.16 | 27.43 | 16.2 | 15.2 |
| FGRU-06-01 | 3/8″ | 1/16″ | 1.27 | 5/8″ | 36.58 | 25.4 | 16.8 | 8.6 |
| FGRU-06-02 | 3/8″ | 1/8″ | 2.28 | 5/8″ | 40.89 | 26.92 | 16.8 | 12.7 |
| FGRU-06-04 | 3/8″ | 1/4″ | 4.82 | 5/8″ | 43.18 | 28.44 | 16.8 | 15.2 |
| FGRU-06-05 | 3/8″ | 5/16″ | 6.35 | 5/8″ | 44.19 | 29.46 | 16.8 | 16.2 |
| FGRU-08-02 | 1/2″ | 1/8″ | 2.28 | 13/16″ | 45.21 | 28.44 | 22.9 | 12.7 |
| FGRU-08-04 | 1/2″ | 1/4″ | 4.82 | 13/16″ | 46.99 | 29.46 | 22.9 | 15.2 |
| FGRU-08-06 | 1/2″ | 3/8″ | 7.11 | 13/16″ | 48.51 | 30.98 | 22.9 | 16.8 |
| FGRU-10-06 | 5/8″ | 3/8″ | 7.11 | 15/16″ | 49.27 | 31.75 | 24.4 | 16.8 |
| FGRU-10-08 | 5/8″ | 1/2″ | 10.41 | 15/16″ | 52.07 | 31.75 | 24.4 | 22.9 |
| FGRU-12-04 | 3/4″ | 1/4″ | 4.82 | 1 1/16″ | 49.28 | 31.75 | 24.4 | 15.2 |
| FGRU-12-06 | 3/4″ | 3/8″ | 7.11 | 1 1/16″ | 50.8 | 33.27 | 24.4 | 16.8 |
| FGRU-12-08 | 3/4″ | 1/2″ | 10.41 | 1 1/16″ | 53.59 | 33.27 | 24.4 | 22.9 |
| FGRU-12-10 | 3/4″ | 5/8″ | 12.7 | 1 1/16″ | 53.59 | 33.27 | 24.4 | 24.4 |
| FGRU-16-08 | 1″ | 1/2″ | 10.41 | 1 3/8″ | 60.45 | 38.1 | 31.2 | 22.9 |
| FGRU-16-12 | 1″ | 3/4″ | 15.75 | 1 3/8″ | 60.45 | 38.1 | 31.2 | 24.4 |
Metric × Inch
| Code | A Tube OD, mm | A1 2nd tube OD, inch | D Bore (min.), mm | W Hex across flats, mm | L Overall length, mm | N Body length, mm | I Tube insertion depth, mm | I1 Tube insertion depth (2nd end), mm |
|---|---|---|---|---|---|---|---|---|
| FGRU-2M-04 | 2 | 1/4″ | 1.7 | 14 | 38.6 | 24.6 | 12.9 | 15.2 |
| FGRU-3M-02 | 3 | 1/8″ | 2.4 | 12 | 35.2 | 22.1 | 12.9 | 12.7 |
| FGRU-4M-02 | 4 | 1/8″ | 2.4 | 12 | 36.5 | 23.4 | 13.7 | 12.7 |
| FGRU-4M-04 | 4 | 1/4″ | 2.4 | 14 | 39.4 | 25.4 | 13.7 | 15.2 |
| FGRU-6M-02 | 6 | 1/8″ | 2.4 | 14 | 38.5 | 24.6 | 15.3 | 12.7 |
| FGRU-6M-04 | 6 | 1/4″ | 4.8 | 14 | 41 | 26.2 | 15.3 | 15.2 |
| FGRU-6M-05 | 6 | 5/16″ | 4.8 | 14 | 42.3 | 27.4 | 15.3 | 16.2 |
| FGRU-8M-02 | 8 | 1/8″ | 2.4 | 15 | 39.8 | 25.7 | 16.2 | 12.7 |
| FGRU-8M-04 | 8 | 1/4″ | 4.8 | 15 | 42.3 | 27.4 | 16.2 | 15.2 |
| FGRU-8M-06 | 8 | 3/8″ | 6.4 | 16 | 44.3 | 29.5 | 16.2 | 16.8 |
| FGRU-10M-02 | 10 | 1/8″ | 2.4 | 18 | 41.8 | 27.7 | 17.2 | 12.7 |
| FGRU-10M-04 | 10 | 1/4″ | 4.8 | 18 | 44.5 | 29.5 | 17.2 | 15.2 |
| FGRU-10M-05 | 10 | 5/16″ | 6.4 | 18 | 45.1 | 30 | 17.2 | 16.2 |
| FGRU-10M-06 | 10 | 3/8″ | 7.1 | 18 | 45.9 | 31 | 17.2 | 16.8 |
| FGRU-12M-05 | 12 | 5/16″ | 6.4 | 22 | 47.8 | 30.2 | 22.8 | 16.2 |
| FGRU-12M-06 | 12 | 3/8″ | 7.1 | 22 | 48.4 | 31 | 22.8 | 16.8 |
| FGRU-12M-08 | 12 | 1/2″ | 9.5 | 22 | 51.2 | 31 | 22.8 | 22.9 |
| FGRU-15M-08 | 15 | 1/2″ | 10.3 | 24 | 52 | 31.8 | 24.4 | 22.9 |
| FGRU-16M-10 | 16 | 5/8″ | 12.7 | 24 | 52 | 31.8 | 24.4 | 24.4 |
| FGRU-18M-12 | 18 | 3/4″ | 15.1 | 27 | 53.5 | 33.3 | 24.4 | 24.4 |
Dimensions in mm (except where inch is stated). D is the minimum bore. Dimensions are for reference.
Quote
Request a quote for Reducing Union
Send the size, material grade and quantity, and we will reply with stock status, price and lead time.
Details that speed up your quote
- Product code or name, size (DN / inch)
- Material grade: 304, 304L, 316 or 316L
- Standard / pressure class (PN, LB, SCH)
- Quantity and requested delivery location
Unions
