Zain Fittings is a premier manufacturer and supplier based in Jakarta, Indonesia, specializing in top-quality pipe fittings for diverse industries. Renowned for precision and durability, our product range includes equal, unequal, and reducing cross fittings designed to ensure reliable performance in complex piping systems. Made from high-grade materials, these fittings deliver excellent corrosion resistance and strength, meeting rigorous industry standards. Trust us for innovative solutions, exceptional quality, and on-time delivery tailored to your needs.
An Equal Cross, Unequal Cross, or Reducing Cross is a pipe fitting used in piping systems to connect four pipes. Composition varies by material, including stainless steel, carbon steel, alloys, or PVC, chosen for specific applications like corrosion or pressure resistance. Mechanical Properties depend on the material but typically include high tensile strength, durability, and temperature resistance. Equal Crosses have uniform inlet and outlet sizes, while Unequal and Reducing Crosses connect pipes of differing diameters. They ensure reliable flow distribution in plumbing, chemical, or industrial systems.
| Buttweld Equal Cross size | Welded Cross : 1/2″ – 48″ |
|---|---|
| Buttweld Equal Cross Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10 |
| Buttweld Equal Cross Thickness | SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75 |
| Buttweld Equal Cross Connection | Welding |
| Size Range | ½” NB to 24″ NB in Sch 10s, 40s, 80s, 160s, XXS. (DN6~DN100) Buttweld Cross |
| ASME B16.9 Buttweld Equal Cross Manufacturing process | Push, Press, Forge, Cast, etc. |
| Buttweld Equal Cross Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| ANSI B16.9 Buttweld Equal Cross Origin & Mills | Japanese, Indian, USA, Korean, European, Ukraine, Russian |
| We provide Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
| Buttweld Unequal Cross size | Welded Cross : 1/2″ – 48″ |
|---|---|
| Buttweld Unequal Cross Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10 |
| Buttweld Unequal Cross Thickness | SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75 |
| Buttweld Unequal Cross Connection | Welding |
| Size Range | ½” NB to 24″ NB in Sch 10s, 40s, 80s, 160s, XXS. (DN6~DN100) Buttweld Cross |
| ASME B16.9 Buttweld Unequal Cross Manufacturing process | Push, Press, Forge, Cast, etc. |
| Buttweld Unequal Cross Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| ANSI B16.9 Buttweld Unequal Cross Origin & Mills | Japanese, Indian, USA, Korean, European, Ukraine, Russian |
| We provide Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
| Buttweld Reducing Cross size | Welded Cross : 1/2″ – 48″ |
|---|---|
| Buttweld Reducing Cross Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10 |
| Buttweld Reducing Cross Thickness | SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75 |
| Buttweld Reducing Cross Connection | Welding |
| Size Range | ½” NB to 24″ NB in Sch 10s, 40s, 80s, 160s, XXS. (DN6~DN100) Buttweld Cross |
| ASME B16.9 Buttweld Reducing Cross Manufacturing process | Push, Press, Forge, Cast, etc. |
| Buttweld Reducing Cross Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| ANSI B16.9 Buttweld Reducing Cross Origin & Mills | Japanese, Indian, USA, Korean, European, Ukraine, Russian |
| We provide Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
Zain Fittings is a reputable manufacturer and supplier located in Surabaya, Indonesia, known for producing top-notch Equal, Unequal, and Reducing Cross pipe fittings. With a robust distribution network spanning major cities like Jakarta, Zain Fittings has built a solid reputation for reliability, precision, and competitive pricing. The company caters to various industries, including oil & gas, petrochemicals, power plants, and water treatment, and is dedicated to upholding international quality and performance standards. When it comes to durable and reliable piping solutions in Indonesia and beyond, Zain Fittings is your go-to partner.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Zain Fittings produces Equal, Unequal, and Reducing Cross fittings using premium materials like stainless steel, carbon steel, and alloy steel. These materials meet ASTM and ASME standards, providing excellent corrosion resistance, tensile strength, and pressure tolerance. The fittings generally have tensile strengths ranging from 415 to 860 MPa, depending on the material used. Their chemical makeup includes specific amounts of chromium, nickel, molybdenum, and carbon, which enhance their durability and resistance to extreme temperatures and chemicals. Each product goes through rigorous mechanical testing to ensure peak performance in critical applications.
The Equal, Unequal, and Reducing Cross fittings from Zain Fittings find extensive use in a variety of industrial and commercial settings. These fittings are crucial for connecting four pipes at right angles, facilitating the flow of fluids or gases in multiple directions. They are commonly utilized in oil and gas pipelines, petrochemical facilities, power generation, water treatment systems, fire protection networks, and HVAC systems. Their capability to handle high-pressure and high-temperature conditions makes them ideal for demanding applications across various industries.
| Nominal Pipe Size (NPS) |
DN |
Outside Diameter at Bevel |
Center- to-End |
|
|
Run.C |
Outlet. M[Notes(1) and (2)] | |||
| 1/2 | 15 | 21.3 | 25 | 25 |
| 3/4 | 20 | 26.7 | 29 | 29 |
| 1 | 25 | 33.4 | 38 | 38 |
| 1-1/4 | 32 | 42.2 | 48 | 48 |
| 1-1/2 | 40 | 48.3 | 57 | 57 |
| 2 | 50 | 60.3 | 64 | 64 |
| 2-1/2 | 65 | 73.0 | 76 | 76 |
| 3 | 80 | 88.9 | 86 | 86 |
| 3-1/2 | 90 | 101.6 | 95 | 95 |
| 4 | 100 | 114.3 | 105 | 105 |
| 5 | 125 | 141.3 | 124 | 124 |
| 6 | 150 | 168.3 | 143 | 143 |
| 8 | 200 | 219.1 | 178 | 178 |
| 10 | 250 | 273.0 | 216 | 216 |
| 12 | 300 | 323.8 | 254 | 254 |
| 14 | 350 | 355.6 | 279 | 279 |
| 16 | 400 | 406.4 | 305 | 305 |
| 18 | 450 | 457 | 343 | 343 |
| 20 | 500 | 508 | 381 | 381 |
| 22 | 550 | 559 | 419 | 419 |
| 24 | 600 | 610 | 432 | 432 |
| 26 | 650 | 660 | 495 | 495 |
| 28 | 700 | 711 | 521 | 521 |
| 30 | 750 | 762 | 559 | 559 |
| 32 | 800 | 813 | 597 | 597 |
| 34 | 850 | 864 | 635 | 635 |
| 36 | 900 | 914 | 673 | 673 |
| 38 | 950 | 965 | 711 | 711 |
| 40 | 1000 | 1016 | 749 | 749 |
| 42 | 1050 | 1067 | 762 | 711 |
| 44 | 1100 | 1118 | 813 | 762 |
| 46 | 1150 | 1168 | 851 | 800 |
| 48 | 1200 | 1219 | 889 | 838 |
Yes, custom sizes for Equal/ Unequal/ Reducing Cross are available at Zain Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@zainfittings.id.
Equal, unequal, and reducing crosses are vital pipe fittings that connect and distribute fluid or gas flow across four pipeline branches. Equal crosses feature uniform outlets, which are ideal for balanced flow systems. Unequal crosses have varying outlet diameters, facilitating transitions between pipes of different sizes. Reducing crosses feature reduced outlets to manage flow adjustments in pressurized systems. These fittings are widely employed in industries like oil and gas, chemical processing, water treatment, and HVAC systems for their reliability in complex piping configurations.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.








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