Steel Reducer
A Steel Reducer is a type of pipe fitting used in piping systems to connect two pipes of different diameters. It serves to reduce the size of the pipe while maintaining the system’s integrity and flow properties. Steel reducers are widely used in industries like oil and gas, petrochemical, power plants, and water treatment.
What Are Eccentric and Concentric Reducers?
Concentric Reducers
Concentric reducers are designed with a symmetrical shape resembling a cone. They are commonly used in vertical piping systems, where fluids or gases must transition smoothly between pipes of differing diameters. The centerline of the larger end and smaller end remains aligned, making them ideal for applications requiring balanced flow distribution.
Eccentric Reducers
Eccentric reducers have an asymmetrical design, with the centerline of one end offset. This makes them suitable for horizontal piping systems to prevent the accumulation of gases or solids. They are primarily used in systems prone to airlocks or where drainage and low-pressure drops are critical.
Key Features and Benefits
- High Strength: Manufactured using premium-grade steel for durability in demanding environments.
- Corrosion Resistance: Ideal for harsh conditions, including high moisture and corrosive media.
- Versatile Design: Available in both eccentric and concentric configurations for diverse requirements.
- Customizable Dimensions: Tailored sizes and schedules to fit your pipeline specifications.
- Smooth Flow Transition: Reduces turbulence and minimizes pressure losses.
Technical Specifications
| Parameter | Details |
| Product Type | Eccentric Reducer, Concentric Reducer |
| Material | Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel |
| Size Range | 1/2″ to 48″ |
| Wall Thickness | Sch 10, Sch 20, Sch 40, Sch 80, Sch 120, Sch 160, XXS |
| Standards | ASME B16.9, ASTM A234, ASTM A403, MSS SP-43 |
| End Connections | Butt Weld, Socket Weld |
| Surface Finish | Black Paint, Anti-Rust Coating, Sand Blasted |
| Pressure Ratings | Class 150, Class 300, Class 600, Class 900, Class 1500 |
Steel Reducers Concentric and Eccentric Reducer Dimensions Chart (in lbs)
NOMINAL PIPE SIZE OUTSIDE DIAMETER END TO END
Inch D P H
3/4 x 1/2 26.7 21.3 38
3/4 x 3/8 26.7 17.1 38
1 x 3/4 33.4 26.7 51
1 x 1/2 33.4 21.3 51
1 1/4 x 1 42.2 33.4 51
1 1/4 x 3/4 42.2 26.7 51
1 1/4 x 1/2 42.2 21.3 51
1 1/2 x 1 1/2 48.3 42.2 64
1 1/2 x 1 48.3 33.4 64
1 1/2 x 3/4 48.3 26.7 64
1 1/2 x 1/2 48.3 21.3 64
2 x 1 1/2 60.3 48.2 76
2 x 1 1/4 60.3 42.2 76
2 x 1 60.3 33.4 76
2 x 3/4 60.3 26.7 76
2 1/2 x 2 73 60.3 89
2 1/2 x 1 1/2 73 48.3 89
2 1/2 x 1 1/4 73 42.2 89
2 1/2 x 1 73 33.4 89
3 x 2 1/2 88.9 73 89
3 x 2 88.9 60.3 89
3 x 1 1/2 88.9 48.3 89
3 x 1 1/4 88.9 42.2 89
3 1/2 x 3 101.6 88.9 102
3 1/2 x 21/2 101.6 73 102
3 1/2 x 2 101.6 60.3 102
3 1/2 x 1 1/2 101.6 48.3 102
3 1/2 x 1 1/4 101.6 42.2 102
4 x 3 1/2 114.3 101.6 102
4 x 3 114.3 88.9 102
4 x 2 1/2 114.3 73 102
4 x 2 114.3 60.3 102
4 x 1 1/2 114.3 48.3 102
5 x 4 141.3 114.3 127
5 x 3 1/2 141.3 101.6 127
5 x 3 141.3 88.9 127
5 x 2 1/2 141.3 73 127
5 x 2 141.3 60.3 127
6 x 5 168.3 141.3 140
6 x 4 168.3 114.3 140
6 x 3 1/2 168.3 101.6 140
6 x 3 168.3 88.9 140
6 x 2 1/2 168.3 73 140
8 x 6 219.1 168.3 152
8 x 5 219.1 141.3 152
8 x 4 219.1 114.3 152
8 x 3 1/2 219.1 101.6 152
10 x 8 273.1 219.1 178
10 x 6 273.1 168.1 178
10 x 5 273.1 141.3 178
10 x 4 273.1 114.3 178
12 x 10 323.9 273.1 203
12 x 8 323.9 219.1 203
12 x 6 323.9 168.3 203
12 x 5 323.9 141.3 203
14 x 12 355.6 323.9 330
14 x 10 355.6 273.1 330
14 x 8 355.6 219.1 330
14 x 6 355.6 168.3 330
16 x 14 406.4 355.6 356
16 x 12 406.4 323.9 356
16 x 10 406.4 273.1 356
16 x 8 406.4 219.1 356
16 x 6 406.4 168.3 356
18 x 16 457 406.4 381
18 x 14 457 355.6 381
18 x 12 457 323.9 381
18 x 10 457 273.1 381
18 x 8 457 219.1 381
20 x 18 508 457 508
20 x 16 508 406.4 508
20 x 14 508 355.6 508
20 x 12 508 323.9 508
20 x 10 508 273.1 508
20 x 8 508 219.1 508
22 x 20 559 508 508
22 x 18 559 457 508
22 x 16 559 406.4 508
22 x 14 559 355.6 508
22 x 12 559 323.9 508
24 x 10 559 273.1 508
24 x 22 610 559 508
24 x 20 610 508 508
24 x 18 610 457 508
24 x 16 610 406.4 508
24 x 14 610 355.6 508
24 x 12 610 323.9 508
24 x 10 610 273.1 508
Steel Concentric and Eccentric Reducer Weight Chart
Equal Tee Weight Chart (in lbs)
Nominal Pipe Size (NPS) Schedule 40 Schedule 80 Schedule 160
1/2″ 1.0 1.3 1.8
3/4″ 1.4 1.8 2.5
1″ 1.8 2.4 3.2
1 1/4″ 2.3 3.0 4.0
1 1/2″ 3.0 4.1 5.5
2″ 4.2 6.2 8.3
2 1/2″ 6.7 9.8 13.0
3″ 9.4 14.1 18.7
4″ 14.5 21.6 28.8
5″ 19.0 28.3 37.7
6″ 24.0 36.0 48.0
8″ 34.0 51.0 68.0
10″ 47.5 71.0 94.0
12″ 60.0 90.0 120.0
14″ 75.0 112.0 150.0
16″ 94.0 141.0 188.0
18″ 114.0 171.0 228.0
20″ 134.0 201.0 268.0
24″ 170.0 255.0 340.0
30″ 255.0 382.5 510.0
36″ 335.0 502.5 670.0
42″ 420.0 630.0 840.0
48″ 510.0 765.0 1020.0
Reducing Tee Weight Chart (in lbs)
Run x Branch Schedule 40 (lbs) Schedule 80 (lbs) Schedule 160 (lbs)
1/2″ x 3/8″ 0.3 0.4 0.6
3/4″ x 1/2″ 0.6 0.9 1.2
1″ x 3/4″ 0.8 1.2 1.6
1 1/4″ x 1″ 1.0 1.5 2.0
1 1/2″ x 1″ 1.2 1.8 2.5
2″ x 1 1/2″ 1.8 2.7 3.6
2 1/2″ x 2″ 2.5 3.8 5.1
3″ x 2″ 3.5 5.3 7.0
3″ x 2 1/2″ 3.8 5.7 7.6
4″ x 3″ 5.5 8.3 11.0
5″ x 4″ 7.3 10.9 14.4
6″ x 4″ 9.5 14.2 18.9
6″ x 5″ 10.1 15.1 20.2
8″ x 6″ 15.5 23.3 31.1
10″ x 8″ 21.0 31.5 42.0
12″ x 10″ 28.0 42.0 56.0
14″ x 12″ 36.0 54.0 72.0
16″ x 12″ 44.0 66.0 88.0
18″ x 16″ 56.0 84.0 112.0
20″ x 16″ 68.0 102.0 136.0
24″ x 20″ 96.0 144.0 192.0
24″ x 10″ 80.0 120.0 160.0
Material Grades Available
Carbon Steel Grades
- ASTM A234 WPB, WPC
- MSS-SP 75 WPHY 42/46/52/56/60/65/70
Stainless Steel Grades
- ASTM A403 WP304, WP304L, WP316, WP316L
- Duplex Stainless Steel: UNS S31803, UNS S32205
Alloy Steel Grades
- ASTM A234 WP1, WP5, WP9, WP11, WP22
Nickel Alloys
- Inconel 600, Incoloy 800, Monel 400
Manufacturing Process
Our reducers are manufactured through advanced processes that ensure precision and quality:
- Raw Material Selection: High-grade materials sourced for durability and performance.
- Forging and Shaping: Hot or cold forging methods used for desired dimensions.
- Heat Treatment: Enhance mechanical properties and stress resistance.
- Surface Finishing: Anti-corrosion coatings applied for longevity.
- Quality Testing: Dimensional checks, hydrostatic tests, and non-destructive testing to ensure compliance with international standards.
Application
- Oil and Gas Pipelines
- Water Treatment Plants
- Petrochemical
- Construction
- Pressure Vessels
- Phosphate Mining
